Omicron CPC 100 Reference Manual
  1. Manuals
  2. Brands
  3. Omicron Manuals
  4. Test Equipment
  5. CPC 100
  6. Reference manual

Omicron CPC 100 Reference Manual

Hide thumbs Also See for CPC 100:
Table of Contents

Advertisement

Quick Links

Download this manual See also: Reference Manual, User Manual
CPC 100
Reference Manual

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the CPC 100 and is the answer not in the manual?

Questions and answers

Related Manuals for Omicron CPC 100

Summary of Contents for Omicron CPC 100

  • Page 1 CPC 100 Reference Manual...
  • Page 2 CPC 100 V 1.44 Article Number: VESD0600 - Manual Version: CPC100.AE.10 With regard to the functionality of the CPC 100 software this manual refers to the version V 1.44. © OMICRON electronics 2010. All rights reserved. This manual is a publication of OMICRON electronics GmbH.
  • Page 3 Copyright Information The OMICRON Bootloader software The OMICRON Bootloader software includes software parts developed by: • Intel Corporation (IXP400 SW Release version 2.3) • Intrinsyc Software (Intrinsyc Bootloader) • Swedish Institute of Computer Science, Adam Dunkels (lwIP TCP/IP stack) •...
  • Page 4 CPC 100 V 1.44 Intrinsyc Bootloader Copyright (c) 2001-2002, Intrinsyc Software. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
  • Page 5 Copyright Information of use, data, or profits; or business interruption) however caused and on any theory of liability, whether in contract, strict liability, or tort (including negligence or otherwise) arising in any way out of the use of this software, even if advised of the possibility of such damage. puff (Mark Adler) This software is provided 'as-is', without any express or implied warranty.
  • Page 6 CPC 100 V 1.44...

  • Page 7: Table Of Contents

    Used Terms ............1-3 Safety Instructions for the CPC 100 and its Accessories ......1-5 Principle Use According to Regulations .
  • Page 8 Preparations in Substation ..........2-49 Principle Steps to Carry Out a Test with the CPC 100 ......2-50 Getting Started with Quick .

  • Page 9: Contents

    Contents Demagnetization............4-19 Winding Resistance .
  • Page 10 CPC 100 V 1.44 VTBurden..............5-8 Test Settings.
  • Page 11 Contents Resistance ........... . . 7 Scope of Resistance Tests .
  • Page 12 OMICRON Device Browser ........
  • Page 13 PC and Network Interfaces (CPC 100 V0 only) ....... 14-29...
  • Page 14 CPC 100 V 1.44 Test Cards ............. . 15-2 Earth Resistance Accessory Set .

  • Page 15: Preface

    CPC 100 Versions................. page 1-15 About this Reference Manual The purpose of this Reference Manual is to familiarize users with the CPC 100 and its various application fields. It contains helpful instructions on how to use the CPC 100 safely, properly, and efficiently.

  • Page 16: Glossary Of Symbols And Terms

    CPC 100 V 1.44 Reading the CPC 100 manual alone does not release the user from the duty of complying with all national and international safety regulations relevant for working with the CPC 100, for example, the regulation EN50191 "Erection and Operation of Electrical Test Equipment”.

  • Page 17: Used Terms

    DHCP Dynamic Host Configuration Protocol; used to connect the CPC 100 to a PC network (refer to ”CPC 100 in a Network” in chapter 10). embedded Personal Computer, that is, fully-functional PC with processor, RAM, interfaces, operating system etc. that is embedded into the CPC 100.
  • Page 18 14-2.) sel = frequency-selective measurement (see page 3-6) Test object The object to be tested by the CPC 100, for example, a current or voltage transformer. Trigger A trigger is an "initiator". In this case it is an electrical signal, for example, at CPC 100 binary input, whose occurrence causes direct follow-up actions, such as switching off the output signals.

  • Page 19: Safety Instructions For The Cpc 100 And Its Accessories

    Principle Use According to Regulations • The CPC 100 should only be used in a safe manner, mindful of the dangers while paying attention to the Reference Manual, and when it is in a technically sound condition and when its use is in accordance with the regulations. In particular, avoid disruptions that could in turn affect safety.

  • Page 20: Operator Qualifications And Primary Responsibilities

    When setting the CPC 100 into operation, follow the instructions in ”Putting the CPC 100 into Operation” on page 2-49. If you have a cardiac pacemaker, do not use the CPC 100! Before operating the CPC 100, make sure there is no person with a cardiac pacemaker in the immediate vicinity.

  • Page 21: General

    CPC 100 by either the POWER ON/OFF switch or the Emergency Stop button. Never connect or disconnect a test object while the outputs are active. Note: Even if you switched off the CPC 100, wait until the red I / O warning light is fully extinguished.

  • Page 22: Dc Output To Test Objects With A High Inductance

    CPC 100 is switched off. Warning: The CP SA1 (see ”CP SA1” on page 15-17) must be connected to the CPC 100 V DC input sockets when using the 400A DC output to protect yourself and the CPC 100 from high-voltage hazards.

  • Page 23: High-Voltage And High-Current Outputs

    2kV AC. The other end is equipped with a safety banana plug that is insulated with a shrink tube. Warning: When the CPC 100 is switched on consider this part of the cable a hazard of electric shock!
  • Page 24 • Opening the CPC 100 invalidates all warranty claims. • If the CPC 100 or any add-on device or accessory does not seem to function properly, do not use it anymore. Please call the OMICRON electronics hotline. FOR YOUR OWN SAFETY Always follow the 5 safety rules: 1.

  • Page 25: Changing Fuses

    CPC 100. • Locate the blown fuse on the front panel of the CPC 100, and replace it: – 6.3A T (6.3 Amps slow-acting wire fuse 5x20 mm) for AC OUTPUT in 6A operation mode or for DC OUTPUT.

  • Page 26: Cpc 100 In Combination With The Cp Td1

    The CP TD1 works as an add-on device to the CPC 100 and is described in the CP TD1 Reference Manual contained on the CPC 100 Toolset DVD and the CPC 100 Start Page.

  • Page 27: Designated Use

    Preface Designated Use The CPC 100, in conjunction with its accessories or as a stand-alone unit, is a multi-purpose primary test set for commissioning and maintaining substation equipment. It performs current transformer (CT), voltage transformer (VT) and power transformer (TR) tests. Furthermore, it is used for contact and winding resistance testing, polarity checks as well as primary and secondary protection relay testing.
  • Page 28 (refer to ”ePC Interfaces” on page 2-4). Note: Any other use of the CPC 100 but the one mentioned above is considered improper use, and will not only invalidate all customer warranty claims but also exempt the manufacturer from its liability to recourse.

  • Page 29: Cpc 100 Versions

    × × × 1. CPC 100 V1 units are equipped with one socket for connecting the CPC 100 to both a PC and a network hub. For detailed information on the ePC interfaces, see ”ePC Interfaces” on page 2- 1 - 15...
  • Page 30 CPC 100 V 1.44 1 - 16...

  • Page 31: Introduction

    Creating Defaults and Templates ..........page 2-44 Installation of the CPC 100 Toolset..........page 2-48 Computer Requirements ............page 2-48 Putting the CPC 100 into Operation..........page 2-49 Principle Steps to Carry Out a Test with the CPC 100 .... page 2-50 2 - 1...

  • Page 32: Functional Components Of The Cpc 100

    Start/Stop Note: With the CPC 100 V0, the number of test cards in one test procedure should be limited to 15 to avoid memory problems. The CPC 100 V1 allows using more test cards in one test procedure but we recommend not to use more than 15 test cards or more than 50 test results to keep the tests clearly structured.

  • Page 33: High-Voltage And High-Current Outputs

    Introduction High-Voltage and High-Current Outputs When the CPC 100 outputs high current, observe the allowed duty cycles that may apply to the selected AC output range. For more information please refer to ”CPC 100 Outputs” on page 14-5. Figure 2:...

  • Page 34: Epc Interfaces

    Connector for external safety functions (see item 3 below) 1. For more information on the PC and network interfaces, see ”CPC 100 in a Network” on page 10-1. 2. For the pin assignment of the RS232 serial interface connector, see ”ePC Interfaces”...
  • Page 35 CP TD1 test set (see item 2 above) The CPC 100 V1 supports the USB interface 1.1 and 2.0 for connecting the USB memory stick shipped with the CPC 100. Note: The full functionality is guaranteed only for the stick delivered with the CPC 100.

  • Page 36: Functional Components In Detail

    The current that flows from this output is measured internally by the CPC 100, and displayed on the respective test card. 3. The 2kV output sockets are situated at the left-hand side of the CPC 100 as shown on page 2-3.
  • Page 37 This high temperature occurrence may even be increased if the CPC 100 is operated in a hot environment or is exposed to direct sunlight. It is highly recommended not to exceed the typical duration time t specified for each current and voltage output (refer to ”CPC 100 Outputs”...
  • Page 38 AC OUTPUT group) protects both the AC OUTPUT in 6A current mode and the DC OUTPUT. 2. The 400A output is situated at the left-hand side of the CPC 100 as shown at ”High-Voltage and High-Current Outputs” on page 2-3.
  • Page 39 Introduction INPUT Analog precision measuring inputs Figure 7: 1. IAC/DC current measuring input 10A AC and DC Functional group INPUT Measuring input for AC and DC current of 0 … 10 A, depending on the selected test card. AC current is measured in a frequency range of 15 …...
  • Page 40 Safety Key Lock To enable the CPC 100 entire functionality, put the key into the safety key lock and turn it horizontally to the right (as shown in Figure 9). In the "enable" position two effects are differentiated: Figure 9: 1.
  • Page 41 Introduction Warning lights The warning lights indicate either a safe or dangerous operating condition. Figure 10: Warning lights Dangerous operating condition! Safe operating condition 1. Outputs are Green warning light Safe operating switched OFF (0) on condition 2. Output was selected Red signal lamp (I) Dangerous voltage by the software,...
  • Page 42 Socket to connect an external booster, for example, the CP CB2 current booster for output currents of up to 2000 A. Enable any external booster in the CPC 100 software on the tab Options | Device Setup (refer to ”Device Setup” on page 35 of this chapter).

  • Page 43: Cpc 100 Block Diagram (Simplified)

    Introduction CPC 100 Block Diagram (Simplified) Figure 12: Simplified block Ext. diagram of the CPC 100 Booster Rectifier & power factor 500V corrector 500V 500V 4A 500V 1kV 2A Switched 2kV 1A mode 500V amplifier Mains 100-240V Filter 50/60Hz 130V / 6A AC 800A 3.15A...

  • Page 44: Built-In Epc

    Via the built-in ePC, the CPC 100 can be accessed from a stand-alone PC, for example, a notebook, via a PC network and via the Internet (refer to ”CPC 100 in a Network”...
  • Page 45 Introduction LCD monitor The monitor is a high-contrast gray-scale graphical LCD display with a resolution of 320x240 pixels. Accelerator keys Let you add the test card of your choice, for example, Quick, CT, VT... etc. (refer to ”Accelerator Keys” on page 22 of this chapter). View Selector Lets you select the view of your choice, for example, Test Card View, Test Procedure Overview, File Operations or Options (refer to ”View Selector”...
  • Page 46 If the test parameters are set in the software’s Test Card View, the Emergency Stop button is released and the safety key lock is set to the "enable" position, pressing this push-button enables the CPC 100 outputs and starts a test. Pressing this push-button a second time stops the test.

  • Page 47: How To Use The Cpc 100 Software

    Note: This manual refers to the CPC 100 software version V 1.44. Information about the software version of your CPC 100 can be found at the Options tab System Info (refer to ”System Info” on page 43 of this chapter).
  • Page 48 Note: With the CPC 100 V0, the number of test cards in one test procedure should be limited to 15 to avoid memory problems. The CPC 100 V1 allows using more test cards in one test procedure but we recommend not to use more than 15 test cards to keep the tests clearly structured.
  • Page 49 Introduction Figure 14: Test Card in Test Card View: Test Card Default The principles of test cards, defaults and test procedures settings settings Test Card Test Card settings + Test results Test Card Test Procedure = Test in Test Procedure Overview: Default Procedure settings...

  • Page 50: Starting The Software

    CPC 100 V 1.44 Starting the Software When the CPC 100 is switched on, the operating system boots up, and the CPC 100 software starts automatically. During the hardware and software initialization phase, the software displays a splash screen. The CPC 100 software starts in the Test Card View loading the test procedure default (refer to ”The Principles of Test Cards and Test Procedures”...

  • Page 51: View Selector

    Introduction View Selector Figure 15: Test Card View (default view upon start-up) View selector View to set up test cards, compose test procedures, enter test settings, define test cards or the test procedure default, start tests etc. Test Procedure Overview Provides an enhanced overview of all test cards of the currently active test procedure.

  • Page 52: Accelerator Keys

    CPC 100 Toolset DVD or the CPC 100 Start Page). Test Card View The Test Card View displays the test procedures. The CPC 100 software starts in the Test Card View loading the test procedure default. A test card inserted to the Test Card View loads the values from the respective test card default.

  • Page 53: Inserting Test Cards

    Introduction The Test Card View comprises a number of context-dependent menu keys. Some examples are given below: Inserts a test card of your choice and places it after the selected test card of the current test procedure. Deletes the current test card from the test procedure. Opens the String Editor.
  • Page 54 Note: Only test cards that are licensed can be inserted. When you purchased the CPC 100, you purchased a license for a number of test cards of your choice. Not licensed test cards are displayed in the Insert a new test card dialog, but the attempt to insert one of them to the test procedure results in an according on-screen message.

  • Page 55: Setting Up A Test Card

    Introduction Setting Up a Test Card Note: Each parameter whose numerical value can be changed in a data entry field has an associated minimum and maximum value as well as a preset number of decimal characters. The parameter value can be changed freely within this min.
  • Page 56 CPC 100 V 1.44 Figure 17: Soft-touch keys to enter : backspace numerical values Esc: cancels the current Soft-touch keys to action without saving enter numerical — : prefix for negative values. values, for example, angles : Enter Decimal point Pressing Esc on the soft-touch keyboard while entering a value, discards the entry and restores the previous value.
  • Page 57 Introduction List Box Figure 18: Example of a list box List boxes are differentiated between read-only and editable list boxes: • In a read-only list box (Figure 18), turning the handwheel scrolls from line to line. When using the Up/Down keys, a read-only list box is treated as one UI element, that is, pressing one of the keys exits the list box, and sets the focus onto the next /previous UI element.

  • Page 58: Settings Page

    CPC 100 V 1.44 Settings Page Some test cards include the Settings menu key. Pressing the Settings menu key opens the Settings page. Figure 19: Main page with Settings menu key The Settings page with the exception of the TRRatio test card looks as shown below.

  • Page 59: Starting A Test

    Pressing the I/O (test start/stop) push-button starts the test. Pressing this push-button a second time stops the test. Note: Stopping a test does not shut off the CPC 100 outputs instantaneously. First, the currently running test sequence finishes, then the test execution is stopped.

  • Page 60: Temperature Monitoring

    With deactivated outputs, the temperature gauge’s bar represents an indicator how much the device has already cooled off. Note: To reach a maximum output time, we suggest to let the CPC 100 cool off completely before switching it on again.

  • Page 61: Test Procedure Overview

    With Save As Default, Test Procedure Overview provides a function to save the current test procedure as the test procedure default, that is the default the CPC 100 software will start with in future. To learn more about defaults, refer to section ”Creating Defaults and Templates”...

  • Page 62: The Cpc 100 File System

    For CPC 100 V1 units with a USB memory stick plugged in, a second tree root USB Disk is displayed as shown above.

  • Page 63: Navigating Through The File System

    Operations menu directly effect the currently open test, i.e., the test procedure that was composed in the Test Card View, or the test that was loaded in the CPC 100 file system beforehand. Therefore, pressing Save, for example, does not save the test that you may have highlighted in the folder tree, but the one that is currently open.
  • Page 64 Move to the destination folder of your choice. Press Paste to insert the contents of the CPC 100 Clipboard to this folder. Press Paste As Templ. to make the contents of the CPC 100 Clipboard a test procedure template. (for future use) Closes the Edit submenu and returns to the main File Operations menu.

  • Page 65: Options

    The Device Setup tab in the Options view allows you to change the settings of all test cards of the test procedure running on the CPC 100 and all test cards inserted afterwards. The test cards can be instantiated in different ways and for different purposes.
  • Page 66 CPC 100 V 1.44 Figure 22: Options tab Device Setup External booster The "External booster" combo box allows to set the external booster: • CB2 for the CP CB2 current booster • CU20 for the CP CU20 coupling unit •...
  • Page 67 PE connection is intact. If the PE connection is intact and the error message still appears, select the "Disable ground check" check box. Note: After the CPC 100 has been rebooted, the "Disable ground check" check box is cleared for safety reasons.
  • Page 68 CPC 100 V 1.44 Restore Defaults Note: Pressing the Restore defaults menu key resets all user-specific settings made in the CPC 100 software to factory-defined defaults including: • the test card defaults • the test procedure default • all settings made at the Device Setup tab (sets external booster to CB2, sets CT and VT to "OFF", and sets the value in the "Default freq."...
  • Page 69 Section ”CPC 100 in a Network” in chapter 10 explains in detail how to connect the CPC 100 to either a stand-alone PC or a PC network, and how to configure such a connection. Once the communication parameters are configured, press Save Options to save them to the Windows Registry.
  • Page 70 CPC 100 V 1.44 Display Figure 24: Options tab Display The "sliding" regulator brightens or darkens the monitor display and the contrast within it. Adding contrast increases the difference in shading between areas. Date / Time Figure 25: Options tab Date/Time Specify the system’s date and time here.
  • Page 71 During operation, the CPC 100 creates a logfile with a user-definable logging level (see below). Every time the CPC 100 is switched on, it generates a new logfile, and saves the existing one as the "previous" logfile. This way, the occurrences of the previous and the current session can be viewed.
  • Page 72 This setting is suggested if the operator suspects, for example, an incorrect functioning or an operational malfunction of the CPC 100. This setting records every relevant operational activity of the CPC 100. The logfile can then be sent to OMICRON electronics for diagnosis.
  • Page 73 CPC 100 serial number OS Version: operating system with version Software Version: CPC 100 software version Hardware: CPC 100 hardware The last two positions indicate the CPC 100 hardware version. Free memory: currently available free memory (RAM) Free disk space: free disk space...

  • Page 74: Creating Defaults And Templates

    Note: A test card default contains user-defined settings, not test results. In the CPC 100 file system, a test card default is not visible as a "file" (refer to ”The CPC 100 File System” on page 2-32).
  • Page 75 (refer to ”Test Procedure Templates” on page 45 of this chapter). In the CPC 100 file system, the test procedure default is not visible as a "file" (refer to ”The CPC 100 File System” on page 2-32).
  • Page 76 Step 1: In the test card view, insert as many test cards as needed to the currently open test procedure default. Step 2: At the CPC 100 front panel view selector, switch to the Test Procedure Overview. Step 3: Press Save As Default to make this test procedure the new test procedure default.
  • Page 77 A test procedure template is a user-defined test procedure, and can be created from any test procedure that was saved to the CPC 100 file system beforehand (a name.xml file; refer to ”The CPC 100 File System” on page 2-32).

  • Page 78: Installation Of The Cpc 100 Toolset

    To start the installation: 1. Quit all other major programs running on your computer. 2. Insert the CPC 100 Toolset DVD into your computer’s DVD drive. The Setup Wizard starts automatically displaying the CPC 100 Toolset start screen. Note: Should the Setup Wizard not start automatically a few seconds after the DVD has been inserted into the DVD drive, launch the Windows Explorer and double-click setup.exe on the CPC 100 Toolset DVD.

  • Page 79: Putting The Cpc 100 Into Operation

    ”Safety Instructions for the CPC 100 and its Accessories” on page 1-5. Always be aware that all AC and DC output sockets of the CPC 100 can carry life-hazardous voltage potential and provide life-hazardous currents.

  • Page 80: Principle Steps To Carry Out A Test With The Cpc 100

    3. Connect the CPC 100 to the mains power supply using the provided cable. 4. With the test object grounded and shorted out, connect the CPC 100 to the test object according to your requirements. 5. Remove the grounding set from the test object.
  • Page 81 11.After testing, switch off the high voltage or current immediately with the I/O (test start/stop) push-button. 12.If you do not use the CPC 100 anymore, turn the safety key to "lock" (vertical) and remove the key to avoid anybody accidentally turning on the high voltage or current.
  • Page 82 CPC 100 V 1.44 2 - 52...

  • Page 83: Getting Started With Quick

    Power Output Settings ..............page 3-7 Trigger Settings................page 3-10 About Quick Quick is the most basic mode to operate all of the CPC 100 outputs in a manual- like mode with front panel control. Figure 1: Quick test card The CPC 100 starts in the Test Card View (refer to ”Test Card View”...
  • Page 84 After having set all necessary parameters (more about this in the following sections), press the I/O (test start/stop) push-button. The Quick test card enters the "on" state, the set power output value is switched to the CPC 100 outputs, the measuring continues.

  • Page 85: Measurement Settings

    Getting Started with Quick Measurement Settings  Measured quantities ( Glossary) Combo boxes to select the first and second quantity to measure. Possible choices at each combo box: • V1 AC • I Out • V1 AC sel • I Out sel •...
  • Page 86 CPC 100 V 1.44 Table 1: Display of calculated value in measurement Measured Display of calculated value in table quantities measurement table (m1) (m2) Ratio:1, Ratio:5, Diff:   Ratio m1/m2 and phase angle m1 - (if phase angles are available; else "n/a"), ...
  • Page 87 Getting Started with Quick Measured Display of calculated value in quantities measurement table (m1) (m2) Rs, Ls or Rp, Cp: Resistance R and either inductance Ls in H (series equivalent circuit) or capacity Cp in F (parallel equivalent circuit). This is just another representation of the impedance Z measurement;...

  • Page 88: The Frequency-Selective Measurement

    The Frequency-Selective Measurement The frequency-selective measurement is used to filter out interferences as they usually occur in substations. To do so, the frequency of the CPC 100 output quantity is set to a value different from the substation’s frequency, for example, the substation operates with a frequency of 50 Hz, the CPC 100 output frequency is set to 55 Hz.

  • Page 89: Power Output Settings

    Getting Started with Quick Power Output Settings The main settings are the range definition and the value for the power output (the  data entry field in Figure 3 that has the focus ( Glossary)). The power output value can be changed instantaneously with the handwheel, even in the "on"...
  • Page 90 CPC 100 V 1.44 Range Combo box to select between the output ranges AC 800A, AC 6A, AC 3A, DC 400A, DC 6A, AC 2kV, AC 1kV, AC 500V, AC 130V and CB2:1000A, CB2:2000A or CU20:10A, CU20:20A or CU1:10A, CU1:20A, CU1:50A, CU1:100A...
  • Page 91 This synchronizes the CPC 100 output frequency with the V1 AC input frequency. In this case the phase angle of the output is displayed rather than the frequency. Set...

  • Page 92: Trigger Settings

    Selection of trigger event • no trigger (default) • binary trigger = CPC 100 input BIN IN is monitored for a trigger event • trigger = first measurement value (m1) > set threshold value • trigger = first measurement value (m1) < set threshold value •...
  • Page 93 BinIn. trigger signal with falling edge occurred at BinIn Delay time display The delay time is the time between the last change of the CPC 100 output value and the occurrence of the trigger event. 3 - 11...
  • Page 94 "Switch off on trigger" is also locked and cannot be changed after having pressed Keep Results. 1. Enabled When the trigger event occurs, the CPC 100 outputs are switched off immediately (that is, in real-time). The measurements are updated to show the values at the time the trigger event occurred, and are then "frozen", that is, not updated anymore from that moment...

  • Page 95: Current Transformer

    Note: With regard to software handling, this section confines to test-relevant issues, and does not go into detailed procedural descriptions. It is assumed that you have read and understood the section ”How to Use the CPC 100 Software” on page 2-17. 4 - 1...

  • Page 96: Scope Of Current Transformer Tests

    CPC 100 V 1.44 Scope of Current Transformer Tests Go to the Test Card View and press Insert Card. Use the context-dependent Up/Down menu keys to the right, or the handwheel, to browse through the structure. On CT, press Enter.

  • Page 97: Ctratio (And Burden)

    Current Transformer CTRatio (and Burden) Testing Ratio, Polarity (and Burden) with Injection to Current Input Use the CTRatio test card to measure a current transformer’s ratio and burden with injection on the CT’s primary side with up to 800 A from the 800A ACoutput or up to 2000 A using the CP CB2 current booster connected to the "EXT.
  • Page 98 CPC 100 V 1.44 Test settings Figure 3: CTRatio test card with test results Navigate to the parameter fields, and enter the values according to your test requirements: Range: output range Iprim: nominal primary current Isec: nominal secondary current Itest: primary injection current.
  • Page 99 3. by selecting the check box Manual input. This option lets you enter the value for I sec manually, for example, when I sec was measured with an external current clamp that is not connected to the CPC 100. Note: Select Manual input prior to starting the test. If the test card still contains results, clear them by pressing Clear Results.
  • Page 100 CPC 100 V 1.44 The "Measure burden" option Select the check box Measure Burden to measure the burden in VA. Note: This option is only useful as long as the injected current I test is about of the magnitude of the nominal current I prim.
  • Page 101 Current Transformer Figure 5: CTRatio test card with selected "Measure burden" option and test results Additional measurements when "Measure burden" is selected Vsec: measured secondary voltage and phase angle relative to Iprim Burden: burden in VA: Isec nom × (Vsec act × Isec nom/Isec act) ...
  • Page 102 CPC 100 V 1.44 Manual test Clearing Auto lets you set the test current Itest manually with the handwheel. • Press the I/O (test start/stop) push-button to start the test. The focus is set onto the "I test:" entry field.
  • Page 103 Current Transformer 2. Option "Manual input" selected Note: Select Manual input prior to starting the test. If the test card still contains results, clear them by pressing Clear Results. When Manual input is selected, there is no phase available. Consequently, neither the polarity nor the phase angle nor cos ...

  • Page 104: Testing Ratio, Polarity (And Burden) With A Current Clamp

    CPC 100 V 1.44 Testing Ratio, Polarity (and Burden) with a Current Clamp To measure Isec, a current clamp can be connected to, for example, the I AC/ DC current measuring input (as shown in Figure 6). Note: If a current clamp is used to measure I sec, select the corresponding check box on the test card, and specify the current clamp at the Options tab Device Setup (recommended) or on the Settings page.

  • Page 105: Ctburden

    From these measurements, the burden (in VA) and the power factor cos calculated. This is the preferred method in cases when the current of max. 800A that the CPC 100 can feed into the CT’s primary side is not sufficient. Figure 7: Setup for a CT burden...

  • Page 106: Test Settings

    CPC 100 V 1.44 Test Settings Figure 8: CTBurden test card with test results Navigate to the parameter fields, and enter the values according to your test requirements: Isec: nominal secondary current Itest: secondary injection current from 6A AC output...

  • Page 107: Automatic Test Vs. Manual Test

    Current Transformer Automatic Test vs. Manual Test 1. Option "Manual input" clear Automatic test • Press the I/O (test start/stop) push-button to start the test. The test current increases in a ramp characteristic from 0A to Itest within 1 second. Then Itest is kept and injected for a period of 2.4 seconds, the measurements are taken.
  • Page 108 CPC 100 V 1.44 2. Option "Manual input" selected Note: Select Manual input prior to starting the test. If the test card still contains results, clear them by pressing Clear Results. When Manual input is selected, there is no phase available. Consequently, ...

  • Page 109: Ctexcitation (Kneepoint)

    Current Transformer CTExcitation (Kneepoint) Use the CTExcitation test card to record the excitation curve of a current transformer. This test performs an automatic injection of a test voltage of up to 2kV to the current transformer’s secondary side. Figure 9: Setup for recording a CT excitation curve 4 - 15...

  • Page 110: Test Settings

    CPC 100 V 1.44 Test Settings Figure 10: Blank CTExcitation test card • Navigate to the parameter fields for "Imax:", "Vmax:" and "f:", and enter the values according to your test requirements. • Select check box "Auto" for automatic test (default), clear it for manual test (refer to page 4-17).

  • Page 111: Automatic Test Vs. Manual Test

    Current Transformer Automatic Test vs. Manual Test Automatic test Selecting Auto increases and decreases the test voltage in a ramp characteristic, and places test points in an adaptive way to determine the knee point. • Press the I/O (test start/stop) push-button to start the test. The range from Vmin to Vmax is swept through, which is indicated by the crosshair cursor in the graphics.
  • Page 112 CPC 100 V 1.44 • Press Remove All to clear all points at once. This does not terminate the test but lets you set new test points. • Once all test points are set, press the I/O (test start/stop) push-button to stop the manual test.

  • Page 113: Demagnetization

    Current Transformer Figure 12: CTExcitation test card - using the crosshair cursor The final step of the test is the test assessment. To learn more about test assessment, refer to ”Test Assessment” on page 9-2. Demagnetization Both direct currents (DC) or unsymmetrical AC currents (for example, asymmetries when the CT is switched off) can cause a residual induction in CT cores.

  • Page 114: Winding Resistance

    To do so, open the circuit as shown in Figure 13, and inject DC current from the CPC 100 6A DC output into the transformer’s secondary winding. Currents higher than 6 A are not needed for measuring CTs.
  • Page 115 Current Transformer Warning: It is recommended to perform all winding resistance measurements with the CP SA1 connected to the CPC 100 V DC input sockets to protect yourself and the CPC 100 from high-voltage hazards. The CP SA1 must be used for measurements using the 400A DC output.

  • Page 116: Test Settings

    CPC 100 V 1.44 Test Settings Figure 14: RWinding test card with test results Navigate to the parameter fields, and enter the values according to your test requirements: Range: output range (Use the 6A DC output for measuring CTs.) Itest:...

  • Page 117: Measurements

    Current Transformer Measurements IDC: actual test current from 6A DC output or 400A DC output VDC: voltage that IDC generates at the transformer’s secondary winding, measured at V DC input R meas: transformer’s winding resistance, calculated from VDC / IDC Time: total elapsed test time Dev:...

  • Page 118: The "Temperature Compensation For Cu" Option

    CPC 100 V 1.44 The "Temperature Compensation for Cu" Option Option selected Provides two more parameters to enter: Tmeas: ambient temperature Tref: operating temperature of test object, that is, the current transformer’s secondary winding Depending on these two parameters, the reference resistance (Rref,...

  • Page 119: Voltage Withstand Test

    Current Transformer Voltage Withstand Test Note: Some test cards are available in more than one test mode. For example, the test card VWithstand can be selected in CT, VT, Resistance and Transformer. This is solely related to usability. With regard to functionality, the test card VWithstand is identical in all test modes.

  • Page 120: Test Settings

    CPC 100 V 1.44 Test Settings Figure 16: VWithstand test card with test results Navigate to the parameter fields, and enter the values according to your test requirements: Vtest: nominal test voltage (2kV max.) output frequency Time: time span Vtest is applied to the output Option "Switch off on IAC>...

  • Page 121: Measurements

    Current Transformer Measurements VAC: injected voltage from 2kV AC output at the time the test turned IAC: measured current between the transformer’s primary and secondary windings at the time the test turned off Imax: maximum measured current between primary and secondary winding during the entire test cycle Once all settings are defined, press the I/O (test start/stop) push-button to start the test.

  • Page 122: Polarity Check

    Use the PolCheck test card to check a series of test points for correct polarity. To do so, the CPC 100 injects a special polarity test signal at a certain location. This signal can either be a voltage or a current signal from the CPC 100, and has a signal characteristic similar to a saw-tooth signal with a different steepness for the rising and the falling slope.
  • Page 123 Remedy: increase the signal magnitude. Warning: If you detect a wrong polarity in the current path, turn off the CPC 100 first, and only then disconnect the terminals. If you are not quite certain whether your measurement is correct, you can confirm it by reversing the probes of the CPOL.

  • Page 124: Test Settings

    The allowed pulse duty cycle, that is, the typical time t depends on the selected range, the ambient temperature, the operating conditions of the CPC 100 etc. For more information please refer to ”CPC 100 Outputs” on page 14-5. 4 - 30...

  • Page 125: Carrying Out The Polarity Check

    1. Define the first set of parameters, and press the I/O (test start/stop) push- button to start the test 2. The CPC 100 now applies the polarity check signal with the specified parameters to the output. 3. Now carry out the polarity check at the test point of your choice using the CPOL.

  • Page 126: Customizing Test Point Names

    CPC 100 V 1.44 Customizing Test Point Names Figure 19: Highlighting a test point changes the context- dependent menu keys • Highlight the test point of your choice by turning the handwheel. • Press Edit Location to open the String Editor •...

  • Page 127: Ctratiov (With Voltage)

    Current Transformer CTRatioV (with Voltage) Use the CTRatioV test card to measure a current transformer’s ratio. To do so, from the 2kV AC output feed a voltage of up to 500V to the transformer’s secondary side. The preferred method for CT ratio measurement is current injection using the CTRatio test card.

  • Page 128: Test Settings

    CPC 100 V 1.44 Test Settings Figure 21: CTRatioV test card with test results Navigate to the parameter fields, and enter the values according to your test requirements: Iprim: nominal primary current Isec: nominal secondary current Vtest: secondary inception voltage...

  • Page 129: Measurements

    Current Transformer Measurements Vsec: actual output at the 2kV AC output that is injected to the CT’s secondary side  Vprim: measured voltage on CT’s primary side and phase angle relative to Vsec Iout measured current from Vsec output Ratio: ratio Iprim /Isec, here 200:5.0134 and deviation of current ratio in %.

  • Page 130: Automatic Test Vs. Manual Test

    CPC 100 V 1.44 Automatic Test vs. Manual Test 1. Option "Manual input" clear Automatic test • Press the I/O (test start/stop) push-button to start the test. Within 1 second the test voltage increases in a ramp characteristic from 0V to Vtest.
  • Page 131 Current Transformer 2. Option "Manual input" selected Note: Select Manual input prior to starting the test. If the test card still contains results, clear them by pressing Clear Results. When Manual input is selected, there is no phase available. Consequently, ...

  • Page 132: Ctrogowski (Ratio)

    Use the CTRogowski test card to measure a Rogowski coil’s ratio by injecting current up to 800 A from the CPC 100 800A AC output or up to 2000 A using the CP CB2 current booster connected to the "EXT. BOOSTER" output into the current-carrying conductor, and by measuring the induced voltage at the end of the Rogowski coil windings.

  • Page 133: Test Settings

    Current Transformer Test Settings Figure 23: CTRogowski test card with test results Navigate to the parameter fields, and enter the values according to your test requirements: Range: output range Iprim: nominal primary current of Rogowski coil (upper field) Vsec: nominal secondary voltage of Rogowski coil fnom: nominal frequency of the Rogowski coil’s secondary voltage Itest:...

  • Page 134: Measurements

    CPC 100 V 1.44 Pressing the Settings menu key opens the Settings page. The Settings page allows setting the test cards individually. As a rule, do not use the Settings page but the Device Setup tab in the Options view (see ”Device Setup” on page 2- 35) to set the test cards.

  • Page 135: Automatic Test Vs. Manual Test

    Current Transformer Automatic Test vs. Manual Test 1. Option "Manual input" clear Automatic test • Press the I/O (test start/stop) push-button to start the test. The test current increases from 0A to Itest in a ramp characteristic within 1 second. Then Itest is kept for a period of 2.4 seconds, and the measurements are taken.
  • Page 136 CPC 100 V 1.44 2. Option "Manual input" selected Note: Select "Manual input" prior to starting the test. If the test card still contains results, clear them by pressing Clear Results. When "Manual input" is selected, there is no phase available. Consequently, neither the polarity nor the phase angle can be calculated.

  • Page 137: Ctlow Power (Ratio)

    CPC 100 V2 AC input, and inject current up to 800 A from the CPC 100 800A AC output or up to 2000 A using the CP CB2 current booster connected to the "EXT. BOOSTER"...

  • Page 138: Test Settings

    CPC 100 V 1.44 Test Settings Figure 25: CTLowPower test card with test results Navigate to the parameter fields, and enter the values according to your test requirements: Range: output range Iprim: nominal primary current Vsec: nominal secondary voltage Itest:...

  • Page 139: Measurements

    Current Transformer Measurements Iprim: actual output current at the output that is injected into the low power current transformer’s primary side Vsec: secondary voltage measured at V2 AC, and its phase angle relative to Iprim Ratio: ratio Iprim/Vsec., here 200.0:22.53 A/mV and deviation of current ratio in %.

  • Page 140: Automatic Test Vs. Manual Test

    CPC 100 V 1.44 Automatic Test vs. Manual Test 1. Option "Manual input" clear Automatic test • Press the I/O (test start/stop) push-button to start the test. The test current increases from 0A to Itest in a ramp characteristic within 1 second.
  • Page 141 Current Transformer 2. Option "Manual input" selected Note: Select Manual input prior to starting the test. If the test card still contains results, clear them by pressing Clear Results. When "Manual input" is selected, there is no phase available. Consequently, neither the polarity nor the phase angle can be calculated.

  • Page 142: Tandelta

    The CP TD1 works as an add-on device to the CPC 100 and is described in the CP TD1 Reference Manual available on the CPC 100 Toolset DVD or the CPC 100 Start Page.

  • Page 143: Voltage Transformer

    Note: With regard to software handling, this section confines to test-relevant issues, and does not go into detailed procedural descriptions. It is assumed that you have read and understood the section ”How to Use the CPC 100 Software” on page 2-17. 5 - 1...

  • Page 144: Scope Of Voltage Transformer Tests

    CPC 100 V 1.44 Scope of Voltage Transformer Tests Go to the Test Card View and press Insert Card. Use the context-dependent Up/Down menu keys to the right, or the handwheel, to browse through the structure. On VT, press Enter.

  • Page 145: Vtratio

    Voltage Transformer VTRatio Use the VTRatio test card to measure a voltage transformer’s ratio with injection on the VT’s primary side with up to 2 kV from AC OUTPUT. It measures amplitude and phase angle of the voltage (at V1AC) and the current on the transformer’s secondary side, and calculates the actual ratio and the deviation from the nominal ratio.

  • Page 146: Test Settings

    CPC 100 V 1.44 Test Settings Figure 3: VTRatio test card with test results Navigate to the parameter fields, and enter the values according to your test requirements:  Vprim: nominal primary voltage with the option "value x 1/ 3"...

  • Page 147: Measurements

    Voltage Transformer Measurements Vprim: actual output voltage at 2kV AC output that is injected into the voltage transformer’s primary side Vsec: secondary voltage measured at V1 AC, and its phase angle relative to Vprim nominal Ratio:   ratio Vprim /Vsec., here 10000.0/ 3:100.43/ and deviation of voltage ratio in %.
  • Page 148 CPC 100 V 1.44 Manual test Clearing Auto lets you set the test voltage Vtest manually with the handwheel. • Press the I/O (test start/stop) push-button to start the test. The focus is set onto the "V test:" entry field.
  • Page 149 Voltage Transformer Manual test Clearing Auto lets you set the test voltage Vtest manually with the handwheel. • Press the I/O (test start/stop) push-button to start the test. The focus is set onto the "V test:" entry field. • Set the value of your choice either by turning the handwheel and/or by entering it with the numerical keys.

  • Page 150: Vtburden

    To do so, open the circuit as shown in Figure 4 and inject the AC voltage from the CPC 100’s 130V ACoutput into the burden. Input I AC measures the current that flows into the burden, and input V1 AC the voltage at the burden.

  • Page 151: Test Settings

    Voltage Transformer Test Settings Figure 5: VTBurden test card with test results Navigate to the parameter fields, and enter the values according to your test requirements:  Vsec: nominal secondary voltage with the option "value x 1/ 3" output frequency Auto: select check box for automatic test (default), clear for manual test (refer to page 5-10).

  • Page 152: Measurements

    CPC 100 V 1.44 Measurements Vsec: actual voltage at the burden, measured at input V1 AC Isec: actual current through burden, measured via input I AC Burden: burden in VA: Vsec nom × (Isec act × Vsec nom/Vsec act) ...
  • Page 153 Voltage Transformer Manual test Clearing Auto lets you set the test voltage Vtest manually with the handwheel. • Press the I/O (test start/stop) push-button to start the test. The focus is set onto the "V test:" entry field. • Set the value of your choice either by turning the handwheel and/or by entering it with the numerical keys.
  • Page 154 CPC 100 V 1.44 Manual test Clearing Auto lets you set the test voltage Vtest manually with the handwheel. • Press the I/O (test start/stop) push-button to start the test. The focus is set onto the "V test:" entry field.

  • Page 155: Voltage Withstand Test

    Voltage Transformer Voltage Withstand Test Note: Some test cards are available in more than one test mode. For example, the test card VWithstand can be selected in CT, VT, Resistance and Transformer. This is solely related to usability. With regard to functionality, the test card VWithstand is identical in all test modes.
  • Page 156 CPC 100 V 1.44 Note: For Test Settings and Measurement see also chapter Current Transformer ”Test Settings” on page 4-26 and ”Measurements” on page 4-27. To learn more about test assessment, refer to ”Test Assessment” on page 9-2. 5 - 14...

  • Page 157: Polarity Check

    Use the PolCheck test card to check a series of test points for correct polarity. To do so, the CPC 100 injects a special polarity test signal at a certain location. This signal can either be a voltage or a current signal from the CPC 100, and has a signal characteristic similar to a saw-tooth signal with a different steepness for the rising and the falling slope.
  • Page 158 Remedy: increase the signal magnitude. Warning: If you detect a wrong polarity in the current path, turn off the CPC 100 first, and only then disconnect the terminals. If you are not quite certain whether your measurement is correct, you can confirm it by reversing the probes of the CPOL.

  • Page 159: Test Settings

    Voltage Transformer Test Settings Figure 8: PolCheck test card with test points Navigate to the parameter fields, and enter the values according to your test requirements: Range: output range Ampl.: maximum amplitude of polarity check output signal. Any value between the minimum and maximum of the selected range is possible.

  • Page 160: Carrying Out The Polarity Check

    1. Define the first set of parameters, and press the I/O (test start/stop) push- button to start the test 2. The CPC 100 now applies the polarity check signal with the specified parameters to the output. 3. Now carry out the polarity check at the test point of your choice using the CPOL.

  • Page 161: Customizing Test Point Names

    Voltage Transformer Customizing Test Point Names Figure 9: Highlighting a test point changes the context- dependent menu keys • Highlight the test point of your choice by turning the handwheel. • Press Edit Location to open the String Editor • Use the String Editor functionality (refer to ”The String Editor”...

  • Page 162: Vtelectronics

    To carry out this test, disconnect the plug of the electronic transformer’s secondary side from the protection relay, plug it into the CPC 100 V2 AC input, and inject voltage from the 2kV AC output to the electronic transformer’s primary side.

  • Page 163: Test Settings

    Voltage Transformer Test Settings Figure 11: VTElectronics test card with test results Navigate to the parameter fields, and enter the values according to your test requirements:  Vprim: nominal primary voltage with the option "value x 1/ 3" Vsec: nominal secondary voltage with the options ...

  • Page 164: Measurements

    CPC 100 V 1.44 Measurements Vprim: actual output voltage at 2kV AC output that is injected into the electronic voltage transformer’s primary side Vsec: secondary voltage measured at V2AC, and its phase angle relative to Vprim nominal Ratio:  ...

  • Page 165: Automatic Test Vs. Manual Test

    Voltage Transformer Automatic Test vs. Manual Test 1. Option "Manual input" clear Automatic test • Press the I/O (test start/stop) push-button to start the test. The test voltage increases from 0V to Vtest in a ramp characteristic within 1 second. Then Vtest is kept for a period of 2.4 seconds, and the measurements are taken.
  • Page 166 CPC 100 V 1.44 2. Option "Manual input" selected Note: Select Manual input prior to starting the test. If the test card still contains results, clear them by pressing Clear Results. When Manual input is selected, there is no phase available. Consequently, neither the polarity nor the phase angle can be calculated.

  • Page 167: Tandelta

    The CP TD1 works as an add-on device to the CPC 100 and is described in the CP TD1 Reference Manual available on the CPC 100 Toolset DVD or the CPC 100 Start Page.
  • Page 168 CPC 100 V 1.44 5 - 26...

  • Page 169: Transformer

    It is assumed that you have read and understood the section ”How to Use the CPC 100 Software” on page 2-17. Note: We strongly advise you to carefully read the transformer-specific safety instructions at ”General”...

  • Page 170: Scope Of Transformer Tests

    CPC 100 V 1.44 Scope of Transformer Tests To select a test card, press Insert Card in the Test Card View. Use the context-dependent Up/Down menu keys to the right, or the handwheel, to browse through the structure. On Transformer, press Enter.

  • Page 171: Transformer Ratio (Per Tap)

    AC voltage with up to 2kV from AC OUTPUT into the transformer’s high-voltage side (refer to Figures 2 and 3). The CPC 100 measures both the voltage it applies to AC OUTPUT and the transformer’s low-voltage side at V1 AC. From these values, it calculates the ratio and its deviation from the nominal ratio in percent.
  • Page 172 CPC 100 V 1.44 Figure 3: Setup for testing a power transformer ratio: YNd5 transformer, high- voltage side star connection, low-voltage side delta connection with a 5x30°=150° phase shift. Table 1 shows the Vprim and Vsec settings on the TRRatio test card for different connections of the transformer under test.
  • Page 173 Transformer Table 1: TRRatio test card settings for different Winding connection Mea- Trans- Trans- Mea- transformer winding 60076 sure- former former sured connections vec- ment high- low-voltage turn voltage side side ratio group HV / H LV /X U-V / H1-H2 u-v / X1-X2 V/H2 v/X2...
  • Page 174 CPC 100 V 1.44 Winding connection Mea- Trans- Trans- Mea- 60076 sure- former former sured vec- ment high- low-voltage turn voltage side side ratio group HV / H LV /X U-V / H1-H2 v-w / X2-X3 w/X3 V/H2 u/X1 v/X2...
  • Page 175 Transformer Winding connection Mea- Trans- Trans- Mea- 60076 sure- former former sured vec- ment high- low-voltage turn voltage side side ratio group HV / H LV /X Dyn5 U-V / H1-H2 n-u / X0-X1 1*√3 u/X1 V/H2 w/X3 v/X2 U/H1 W/H3 V-W / H2-H3 n-v / X0-X2 W-U / H3-H1 n-w / X0-X3...
  • Page 176 CPC 100 V 1.44 Winding connection Mea- Trans- Trans- Mea- 60076 sure- former former sured vec- ment high- low-voltage turn voltage side side ratio group HV / H LV /X Dyn11 U-V / H1-H2 u-n / X1-X0 √3 v/X2 V/H2...
  • Page 177 Transformer Winding connection Mea- Trans- Trans- Mea- 60076 sure- former former sured vec- ment high- low-voltage turn voltage side side ratio group HV / H LV /X Dzn2 U-(V+W) / n-v / X0-X2 u/X1 v/X2 V/H2 H1-(H2+H3) w/X3 U/H1 W/H3 V-(U+W) / n-w / X0-X3 H2-(H1+H3)
  • Page 178 CPC 100 V 1.44 Winding connection Mea- Trans- Trans- Mea- 60076 sure- former former sured vec- ment high- low-voltage turn voltage side side ratio group HV / H LV /X Dzn6 U-(V+W) / n-u / X0-X1 w/X3 u/X1 V/H2 H1-(H2+H3)
  • Page 179 Transformer Winding connection Mea- Trans- Trans- Mea- 60076 sure- former former sured vec- ment high- low-voltage turn voltage side side ratio group HV / H LV /X Dzn10 U-(V+W) / n-w / X0-X3 1.5 V/H2 v/X2 w/X3 H1-(H2+H3) U/H1 W/H3 u/X1 V-(U+W) / n-u / X0-X1...
  • Page 180 CPC 100 V 1.44 Winding connection Mea- Trans- Trans- Mea- 60076 sure- former former sured vec- ment high- low-voltage turn voltage side side ratio group HV / H LV /X Yyn0 U-V / H1-H2 u-v / X1-X2 V/H2 v/X2 u/X1...
  • Page 181 Transformer Winding connection Mea- Trans- Trans- Mea- 60076 sure- former former sured vec- ment high- low-voltage turn voltage side side ratio group HV / H LV /X Yyn6 U-V / H1-H2 v-u / X2-X1 V/H2 w/X3 u/X1 v/X2 U/H1 W/H3 V-W / H2-H3 w-v / X3-X2 W-U / H3-H1 u-w / X1-X3 U-V / H1-H2...
  • Page 182 CPC 100 V 1.44 Winding connection Mea- Trans- Trans- Mea- 60076 sure- former former sured vec- ment high- low-voltage turn voltage side side ratio group HV / H LV /X Yzn5 U-V / H1-H2 n-u / X0-X1 1*√3 u/X1 V/H2...
  • Page 183 Transformer Winding connection Mea- Trans- Trans- Mea- 60076 sure- former former sured vec- ment high- low-voltage turn voltage side side ratio group HV / H LV /X Yzn11 U-V / H1-H2 u-n / X1-X0 √3 v/X2 V/H2 w/X3 U/H1 W/H3 u/X1 V-W / H2-H3 v-n / X2-X0 W-U / H3-H1 w-n / X3-X0...
  • Page 184 CPC 100 V 1.44 Winding connection Mea- Trans- Trans- Mea- 60076 sure- former former sured vec- ment high- low-voltage turn voltage side side ratio group HV / H LV /X YNd5 U-N / H1-H0 w-u / X3-X1 1/√3 V/H2 u/X1...
  • Page 185 Transformer Winding connection Mea- Trans- Trans- Mea- 60076 sure- former former sured vec- ment high- low-voltage turn voltage side side ratio group HV / H LV /X YNd11 U-N / H1-H0 u-w / X1-X3 1/√3 v/X2 V/H2 w/X3 u/X1 U/H1 W/H3 V-N / H2-H0 v-u / X2-X1...

  • Page 186: Test Settings

    CPC 100 V 1.44 Test Settings Figure 4: TR Ratio test card with test results Note: The Auto-tap mode is for use with the CP SB1 switch box. For detailed description on how to use the test card in connection with the CP SB1, refer to the CP SB1 User Manual.
  • Page 187 Transformer Pressing the Settings menu key opens the Settings page. The Settings page of the TRRatio test card has another functionality as on other test cards. Figure 5: Settings page of the TRRatio test card Note: Auto-tap is only available with the CP SB1 connected. The Settings page allows adding the transformer’s ratio per tap as follows.
  • Page 188 CPC 100 V 1.44 Note: The context-dependent keys to the right will only appear if the cursor is positioned in the result line. 6 - 20...

  • Page 189: Measurements

    The TRRatio test card displays the measurement results in two display fields and a table: Iprim: Primary current from the 2kV AC output, measured by the CPC 100 internally. If the focus is on the table, scrolling through the lines will change this display accordingly, depending on the selected line.

  • Page 190: Carrying Out A Tr Ratio Test (Per Tap)

    CPC 100 V 1.44 Carrying Out a TR Ratio Test (per Tap) 1. Define the ratio table first on the Settings page, then the parameters on the main page and press the I/O (test start/stop) push button to start the test.

  • Page 191: Winding Resistance

    Use the RWinding test card to measure the resistance of a power transformer’s winding. To do so, loop the I DC current signal from the CPC 100 6A DC output via IAC/DC as shown in Figure 7 and inject it into the transformer’s winding.
  • Page 192 Alternatively, inject the current directly from the 400A DC output (see Figure 8). Warning: It is recommended to perform all winding resistance measurements with the CP SA1 connected to the CPC 100 V DC input sockets to protect yourself and the CPC 100 from high-voltage hazards. The CP SA1 must be used for measurements using the 400A DC output.

  • Page 193: Test Settings

    Transformer Test Settings Figure 9: RWinding test card with test results Navigate to the parameter fields, and enter the values according to your test requirements: Range: Output range Note: The 400A DC output range provides maximum current 100 A. Itest: Nominal test current R min: Calculated minimum winding resistance value (display only).

  • Page 194: Measurements

    CPC 100 V 1.44 Measurements IDC: Actual test current from the 6A DC output or 400A DC output VDC: Voltage that IDC generates at the transformer’s secondary winding, measured at the V DC input R meas: Transformer’s winding resistance, calculated from VDC / IDC...

  • Page 195: The "Temperature Compensation For Cu" Option

    Transformer The "Temperature Compensation for Cu" Option Option selected Provides two more parameters to enter: Tmeas: Ambient temperature Tref: Operating temperature of test object, that is, the power transformer’s secondary winding Depending on these two parameters, the reference resistance (Rref, temperature-compensated winding resistance) is calculated: Rref: In Centigrade:...

  • Page 196: Oltc Test (Per Tap)

    (OLTC) switches without interruption. The CPC 100 injects a constant current from the 6A DC output into the power transformer and the current is led via the IAC/DC input for measurement.
  • Page 197 OLTC Warning: It is recommended to perform all winding resistance measurements with the CP SA1 connected to the CPC 100 V DC input sockets to protect yourself and the CPC 100 from high-voltage hazards. The CP SA1 must be used for measurements using the 400A DC output. Before using the CP SA1, you can check its functionality by following the test procedure in ”CP SA1”...
  • Page 198 CPC 100 V 1.44 Figure 11: Setup for a tap changer test - winding resistance and interruption Warning: Never open the measuring circuit while current flows. Dangerous voltage may occur! 6 - 30...

  • Page 199: Test Settings

    Transformer Test Settings Figure 12: TRTapCheck test card with test results Navigate to the parameter fields, and enter the values according to your test requirements: Range: Output range Note: The 400A DC output range provides maximum current 100 A. Itest: Nominal test current Wiring: •...

  • Page 200: Measurements

    CPC 100 V 1.44 Pressing the Settings menu key or activating the Auto-tap operation mode (with connected CP SB1 unit) will open the second page of the TRTapCheck test card. Figure 13: Settings page of the TRTapCheck test card Tmeas:...
  • Page 201 Transformer Dev. in %: Deviation in % between the maximum and the minimum measured values evaluated within the settling time ( t).   Rref Temperature-corrected resistance value, that is, the resistance value at an actual specimen temperature of Tref. Ripple: Samples and holds the biggest measured current ripple that occurred in the measuring cycle.

  • Page 202: Examples Using The Trtapcheck Test Card

     measurement starts. Note: If the CPC 100 is in Auto Keep Result status, the user can end the process by either pressing Keep Result or by changing to the Tolerance setting and changing the value. The soft key Set Current Deviation resumes the value of the current deviation in the Tolerance field.
  • Page 203 Transformer Figure 14:  For the winding resistance, the first 4 columns (Tap, Rmeas in , Dev. in % and Measurement table -  Rref in ) of the measurement table are relevant. relevant columns for winding resistance measurement Editing the tap number during or after a test It is possible to edit the tap number during or after a test.

  • Page 204: Voltage Withstand Test

    CPC 100 V 1.44 Voltage Withstand Test Note: Some test cards are available in more than one test mode. For example, the test card VWithstand can be selected in CT, VT, Resistance and Transformer. This is solely related to usability. With regard to functionality, the test card VWithstand is identical in all test modes.

  • Page 205: Test Settings

    Transformer Test Settings For Test Settings and Measurements see also page 4-25. 6 - 37...

  • Page 206: Tandelta

    The CP TD1 works as an add-on device to the CPC 100 and is described in the CP TD1 Reference Manual available on the CPC 100 Toolset DVD or the CPC 100 Start Page.

  • Page 207: Resistance

    Note: With regard to software handling, this section confines to test-relevant issues, and does not go into detailed procedural descriptions. It is assumed that you have read and understood the section ”How to Use the CPC 100 Software” on page 2-17 7 - 1...

  • Page 208: Scope Of Resistance Tests

    CPC 100 V 1.44 Scope of Resistance Tests Go to the Test Card View and press Insert Card. Use the context-dependent Up/Down menu keys to the right, or the handwheel, to browse through the structure. On Resistance, press Enter. Alternatively, press the accelerator key to open Insert a new test card.

  • Page 209: Resistance - Μω Measurement

    Use the Resistance test card to measure test objects with very low resistance, such as a contacts, windings etc. To do so, the CPC 100 injects DC current into the test object, measures the current that flows through the test object, and calculates the test object’s resistance.
  • Page 210 CPC 100 V 1.44 Figure 3: Setup for a m measurement in the 6A DC range Inject current from the 6A DC output to both sides of the test object. To measure this current, route it via the IAC/DC input as shown in Figure 3. Input V DC measures the voltage drop at the test object, and from these values the software calculates the test object’s resistance.

  • Page 211: Test Settings

    Resistance Test Settings Figure 5: Resistance test card in 400A DC range with test results. Navigate to the parameter fields, and enter the values according to your test requirements: Range: output range Itest: nominal test current ("n/a" if VDC 2-wire) Rmin: calculated minimum winding resistance value (display only).

  • Page 212: Measurements

    CPC 100 V 1.44 Measurements IDC: actual test current that is injected into the test object VDC: measured voltage drop at the test object calculated resistance of test object, R = VDC / IDC Selecting the check box "Manual input" lets you enter the value for VDC manually, for example, when VDC was measured with an external volt meter rather than at input V DC.
  • Page 213 Resistance can now be assessed. • Stop the manual test by pressing the I/O (test start/stop). • To repeat the test, first press Back to Top, if applicable, and then Clear Results. 2. Option "Manual input" selected Note: Select Manual input prior to starting the test. If the test card still contains results, clear them by pressing Clear Results.
  • Page 214 CPC 100 V 1.44 • To repeat the test, first press Back to Top, if applicable, and then Clear Results. To learn more about test assessment, refer to ”Test Assessment” on page 9-2. 7 - 8...

  • Page 215: Winding Resistance

    Resistance Winding Resistance Note: Some test cards are available in more than one test mode. For example, the test card RWinding can be selected in CT, Resistance and Transformer. This is solely related to usability. With regard to functionality, the test card RWinding is identical in all test modes.
  • Page 216 To do so, open the circuit as shown in Figure 6, loop the I DC current signal from the CPC 100 6A DC output via IAC/DC or directly from the 400A DC output, and inject it into the transformer’s secondary winding.

  • Page 217: Test Settings

    Resistance Test Settings Figure 7: RWinding test card with test results Navigate to the parameter fields, and enter the values according to your test requirements: Range: output range Note: The 400A DC output range provides maximum current 100 A. Itest: nominal test current R min: calculated minimum winding resistance value (display only).

  • Page 218: Measurements

    CPC 100 V 1.44 Measurements IDC: actual test current from the 6A DC output VDC: voltage that IDC generates at the transformer’s secondary winding, measured at V DC input R meas: transformer’s winding resistance, calculated from VDC / IDC Time:...

  • Page 219: The "Temperature Compensation For Cu" Option

    Resistance The "Temperature Compensation for Cu" Option Option selected Provides two more parameters to enter: Tmeas: ambient temperature Tref: operating temperature of test object, that is, the current transformer’s secondary winding Depending on these two parameters, the reference resistance (Rref, temperature-compensated winding resistance) is calculated: Rref: In Centigrade:...

  • Page 220: Rground

    Smaller grounding systems with a diameter of 100 m (300 ft) or smaller can be tested with the RGround test card and the CPC 100 alone, for large systems the CP CU1 coupling unit and the Sequencer test card is a better choice. Note that no other grounding system must be close by.
  • Page 221 Resistance Warning: Do not touch the test probe without insulating gloves outside of the substation area. In case of a high-current ground fault within the substation during the test, considerably high voltages could arise in any wire connected to the substation and leading away from it. Figure 9: Measuring the ground resistance of small...
  • Page 222 = size of the earthing system You can use existing power cables. However, special precautions such as the use of the CP GB1 grounding box are required. For more information on the CP GB1, contact OMICRON electronics sales office. 7 - 16...
  • Page 223 Resistance Figure 11: Measuring the soil resistivity Auxiliary Auxiliary Auxiliary Auxiliary electrode electrode electrode electrode  d/20 d = distance   Legend:  = soil resistivity d = distance between auxiliary electrodes (identical between all electrodes) R = calculated resistance as indicated at the RGround test card (R(f)) With the spacing of "d", the test measures the average soil resistivity between the U auxiliary electrodes down to a depth of "d".
  • Page 224 CPC 100 V 1.44 Table 1: Typical resistance of Soil Type Soil Resistivity common soil types 1…50 m Moor, marsh, very moist soil 20…100 m Loess, clay 10…200 m Humus, acre 50…500 m Sandy clay 200…3000 m Glass sand 300…5000 m Rock 100…300 m...
  • Page 225 Resistance In an earthing system with several grounding rods it may be of interest to measure the resistance of a single rod. To do so, disconnect the rod to be measured from the earthing system, and feed current through the rod into the grounding system (as shown in Figure 12 for rod 2).
  • Page 226 CPC 100 V 1.44 Measurements IRMS: actual test current (rms value) VRMS: measured voltage between substation ground and the auxiliary electrode U (rms value). This measurement represents a broad band measurement, that is, it detects all frequencies, for example, the 50 or 60 Hz mains frequency.

  • Page 227: Voltage Withstand Test

    Resistance Voltage Withstand Test For the voltage withstand test, also refer to ”Voltage Withstand Test” on page 4- 25, page 5-13, and page 6-36. 7 - 21...
  • Page 228 CPC 100 V 1.44 7 - 22...

  • Page 229: Others

    Note: With regard to software handling, this section confines to test-relevant issues, and does not go into detailed procedural descriptions. It is assumed that you have read and understood the section ”How to Use the CPC 100 Software” on page 2-17. 8 - 1...

  • Page 230: Scope Of Others

    CPC 100 V 1.44 Scope of Others Go to the Test Card View and press Insert Card. Use the context-dependent Up/Down menu keys to the right, or the handwheel, to browse through the structure. On Others, press Enter. Alternatively, press the accelerator key to open Insert a new test card.

  • Page 231: Sequencer

    Others Sequencer Use the Sequencer test card to define a sequence of states to be applied to a connected test object. A state represents an output quantity with defined settings, for example, a certain magnitude and frequency, for a preset period of time. A sequence of up to 7 states can be defined.

  • Page 232: Defining A Sequence Of States

    Figure 3: Step 1 - Set the sequence parameters From the range combo box select the CPC 100 output range of your choice. Click the "Sync w/ V1AC" icon to enable or disable this feature. Enabling "Sync w/ V1AC" synchronizes the CPC 100 output frequency with the V1 AC input frequency (we recommend a minimum input voltage of 10 V on V1 AC, possible range 48 - 62 Hz).
  • Page 233 Now set the output current value of your choice by turning the handwheel, or use the number keys of the CPC 100 soft-touch keyboard. Press Enter or the handwheel to acknowledge your setting and move to the next table cell by turning the handwheel.
  • Page 234 CPC 100 V 1.44 For each state, a trigger signal can be specified to prematurely terminate this state and execute the next one. If you move to the "Trigger" cell and press the handwheel, the cell turns into a combo box.
  • Page 235 Note: Clearing of an overload condition means: the CB closes again. For debouncing purposes, at CB closing time measurements, the CPC 100 adds a fixed time of 100 ms to the measured value. In order to determine the true CB closing time value, these 100 ms need to be deducted from the value displayed in the measurement table (refer to the following examples).
  • Page 236 CPC 100 V 1.44 Specify values m1 and m2 that the measurement table will show. Figure 5: Step 3 - Specify the values that the measurement table will show m1: Turn the handwheel to set the focus onto the measurement table’s first combo box.
  • Page 237 Others Calculated value In this combo box you determine whether the measurement table displays trigger signal characteristic / elapsed state time until trigger signal occurrence, ratio and phase angle difference, impedance Z or  resistance R, real power P, apparent power S or the power factor cos Depending on the selected measured quantities, both the items to select from in this combo box and the corresponding display at the measurement table below will differ accordingly.
  • Page 238 CPC 100 V 1.44 Measured Display of calculated value in measurement table quantities (m1) (m2) For AC: Z or R, X   Impedance Z (magnitude in and phase angle in °) or R  and X in For DC: R ...

  • Page 239: Testing An Overcurrent Relay With Arc Function

    Others Testing an Overcurrent Relay with ARC Function This sequence of four states tests a complete autoreclosure cycle with both a short dead time (rapid autoreclosure) and a long dead time (slow autoreclosure). Figure 6: Setup for testing an overcurrent relay with I>...
  • Page 240 Note: For debouncing purposes, at CB closing time measurements, the CPC 100 adds a fixed time of 100 ms to the measured value. In order to determine the true CB closing time value, these 100 ms need to be deducted from the value displayed in the measurement table.
  • Page 241 100 ms state 1 state 2 state 3 state 4 short long dead time dead time State 2 and 4 incl. the additional 100 ms the CPC 100 adds to compensate for the debounce (see note above). 8 - 13...

  • Page 242: Measuring A Ct Ratio At Different Current Magnitudes

    To do so, different current amplitudes (5%, 20%, 50%, 100% and 120% of nominal value) are injected into the CT, and the CT’s secondary current is measured at the CPC 100 current input I AC/DC. Figure 9: Setup to measure the...
  • Page 243 Others Since the "Repeat" check box is cleared, the sequence of five states executes exactly one time and then terminates. Figure 10: Sequencer test card with parameters and measurements of the five states (states 2...5 shown) Measured values of the states 1 ... 5 I Out Ratio:1 °...

  • Page 244: Generating An Intermittent High-Current Output

    When the CPC 100 outputs high current, duty cycles may apply to the selected AC output range. The allowed pulse duty cycle ("on/off" operation) depends on the selected range, the ambient temperature, the operating conditions of the CPC 100 etc.
  • Page 245 "on" cycle "off" cycle The lower the averaged value of the output current I rms over the time the longer the CPC 100 can be operated in that mode. This value is calculated with the following formula: t on I rms = I test x = 600A x = 268.3A...

  • Page 246: Ramping

    CPC 100 V 1.44 Ramping Use the Ramping test card to define a series of ramps to be applied to a connected test object. Figure 13: A ramp represents a A typical ramp characteristic:  q / t, linear change of either...

  • Page 247: Defining A Ramp

    Figure 15: Step 1 - Set the series parameters From the range combo box select the CPC 100 output range of your choice. During the output of a ramp, this field displays the currently output value of the signal’s quantity selected at From the combo box, select the output signal’s quantity to be ramped:...
  • Page 248 Now set the output current value of your choice by turning the handwheel, or use the number keys of the CPC 100 soft-touch keyboard. Press Enter or the handwheel to acknowledge your setting and move to the next table cell by turning the handwheel.
  • Page 249 Others For each ramp, a trigger signal can be specified to prematurely terminate this ramp and execute the next one. If you move to the "Trigger" cell and press the handwheel, the cell turns into a combo box. The following trigger conditions are available for each ramp: •...
  • Page 250 Note: Clearing of an overload condition means: the CB closes again. For debouncing purposes, at CB closing time measurements, the CPC 100 adds a fixed time of 100 ms to the measured value. In order to determine the true CB closing time value, these 100 ms need to be deducted from the value displayed in the measurement table (refer to the following example).
  • Page 251 Others Example of a series of ramps Figure 17: A series of three ramps defined in the ramps table Ramp 1 Ramp 2 Ramp 3 The three ramps defined in the ramps table shown above result in an output signal like this: Ramp 2 200A Ramp 1...
  • Page 252 CPC 100 V 1.44 Specify values m1 and m2 that the measurement table will show. Figure 18: Step 3 - Specify the values that the measurement table will eventually show m1: Turn the handwheel to set the focus onto the measurement table’s first combo box.
  • Page 253 Others Calculated value In this combo box you determine whether the measurement table displays trigger signal characteristic / elapsed ramp time until trigger signal occurrence, ratio and phase angle difference, impedance Z or  resistance R, real power P, apparent power S or the power factor cos Depending on the selected measured quantities, both the items to select from in this combo box and the corresponding display at the measurement table below will differ accordingly.
  • Page 254 CPC 100 V 1.44 Measured Display of calculated value in measurement table quantities (m1) (m2) For AC: Z or R, X   Impedance Z (magnitude in and phase angle in °) or R  and X in For DC: R ...

  • Page 255: Testing Pickup/Dropoff Value Of An Overcurrent Relay

    The CPC 100 AC OUTPUT feeds the ramped current signal into a CT, which is connected to an overcurrent relay. The overcurrent relay’s trip contact is fed into the CPC 100 binary input Bin In, and acts there as a trigger signal (as described on page 21 of this chapter).
  • Page 256 CPC 100 V 1.44 Figure 20: Ramping test card with Ramp 1: parameters and Set to output a ramped current measurement values of signal from 100.0 A to either the three ramps 200.0 A in 10 s, or until the trigger condition "Binary"...

  • Page 257: Amplifier

    Others Amplifier Use the Amplifier test card to set the CPC 100 to an "amplifier-like" mode. In this mode, an input signal fed into a synchronization input drives the high-current output’s magnitude, frequency and phase angle. Select between I AC, V1 AC and V2 AC as synchronization inputs.
  • Page 258 CPC 100 V 1.44 Pressing the Settings menu key opens the Settings page. The Settings page allows setting the test cards individually. As a rule, do not use the Settings page but the Device Setup tab in the Options view (see ”Device Setup” on page 2- 35) to set the test cards.

  • Page 259: Amplifier Use Case: Gps-Synchronized 3-Phase System For End-To-End Testing

    This example shows how the three current outputs of a CMC 256-3 test set are led to the synchronization inputs I AC of three CPC 100 test sets to drive their high-current outputs. This way, the CPC 100 high-current outputs represent the "amplified"...
  • Page 260 CPC 100 V 1.44 Figure 24: Settings of Amplifier test card for this example use case 8 - 32...

  • Page 261: Comment

    Others Comment The Comment card is inserted to a test procedure in the same manner like a test card. Its purpose is to hold a user-defined comment and / or note regarding the actual test procedure or other important information such as operational data of a transformer, for example.

  • Page 262: Form Editor - Text Editor

    CPC 100 V 1.44 Form Editor - Text Editor: To o create such a "2 columns" layout, press Edit Form. Sub.: Buers Trans.: TR24 Manuf.: Siemens Type: KFRM 1863A / 22E Year: 1955 Se. No.: T-54953 Power: 100 MVA VecGr.:...
  • Page 263 Others How to clear a comment • Press Clear Comment. • The context-dependent menu keys change and provide two more keys: Clear All and Clear Text. – Clear All: Deletes the entire comment at once, that is, all text in all columns.

  • Page 264: Tandelta

    The CP TD1 works as an add-on device to the CPC 100 and is described in the CP TD1 Reference Manual available on the CPC 100 Toolset DVD or the CPC 100 Start Page.

  • Page 265: Common Functions

    Common Functions Common Functions This chapter describes functions and procedures that repeat in all or various test cards. Since these functions are operated in the same fashion on all test cards, they are explained only once in a central place. Contents of this section Test Assessment................

  • Page 266: Test Assessment

    CPC 100 V 1.44 Test Assessment The test assessment is a manual procedure carried out by the user. The example below shows an assessment made at a VTRatio test card. However, the assessment procedure is carried out in the same fashion on all test cards.

  • Page 267: The String Editor

    Common Functions The String Editor The String Editor is used to name or rename test cards, tests and templates as well as to fill out the Comment card. Every time such an operation becomes necessary, the String Editor starts automatically. The number of available characters to choose from depends on the String Editor’s use.

  • Page 268: The Template Phrases

    CPC 100 V 1.44 The Template Phrases The String Editor provides a feature that allows you to save phrases, that is, names of test cards, tests, templates, folders and files. Once these phrases are saved, they can then be selected as template phrases from the combo box "Select a phrase".
  • Page 269 Note: The Restore defaults menu key at the Options tab Device Setup (refer to ”Device Setup” on page 2-35) resets all user-specific settings made in the CPC 100 software to factory-defined defaults. This also includes the String Editor’s template phrases.
  • Page 270 CPC 100 V 1.44 9 - 6...
  • Page 271 CPC 100 in a Network CPC 100 in a Network Contents of this section General ..................page 10-2 Setting the Communication Parameters ........page 10-2 CPC 100 .................. page 10-2 DHCP/Auto-IP ..............page 10-2 Static IP................page 10-3 IP address................page 10-3 Subnet mask ...............

  • Page 272: General

    Most PC networks have a DHCP (Dynamic Host Configuration Protocol) server that provides an address for every device connected to the network and defines the subnet mask. When connected to such a network, setting the CPC 100 to 10 - 2...

  • Page 273: Cpc 100

    Default gateway This is the address of a local IP router on the same network the CPC 100 is in. It is used to enable data traffic to destinations beyond the local network.

  • Page 274: Pc Or Notebook

    Note: To avoid possible communication problems, we recommend to first fully boot the CPC 100, then connect the CPC 100 to the PC and eventually start the CPC 100 Start Page. Computers with a Windows 95 or a NT 4.0 operating system need a special setup.

  • Page 275: Firewall And Anti-Virus Software

    Because there is no DHCP server present when a CPC is connected directly to a PC (point to point), the CPC 100 is capable of providing the PC with a valid address as long as there is no server detected and the CPC 100 Start Page is running on the PC.
  • Page 276 This way, it is possible to connect your PC to the network using the first network card’s port, and directly to the CPC 100 using the second network card’s port. Set the CPC 100 to DHCP/Auto-IP to connect it to the network or directly to the PC. •...

  • Page 277: Omicron Device Browser

    Computer Requirements ............page 11-2 Using the OMICRON Device Browser .......... page 11-3 Starting the OMICRON Device Browser ........page 11-4 Upgrading and Configuring the Network of the CPC 100 ..page 11-5 Viewing Logfiles ............... page 11-5 Viewing Test Files ..............page 11-6...

  • Page 278: General

    General The OMICRON Device Browser is an application embedded in the Windows operating system. You can access the directory of the connected CPC 100 through Windows Explorer and other applications, such as Editor and Excel. Installation of the OMICRON Device Browser...

  • Page 279: Using The Omicron Device Browser

    OMICRON Device Browser Using the OMICRON Device Browser The OMICRON Device Browser allows you to access your CPC 100 through the Windows operating system. With the OMICRON Device Browser, you can conduct easy file operations (for example cut, copy, delete, rename) in the Windows operating system from and to the CPC 100.

  • Page 280: Starting The Omicron Device Browser

    CPC 100 V 1.44 Starting the OMICRON Device Browser Start the OMICRON Device Browser on the CPC 100 Start Page by clicking the icon under Tools. Note: You can only see a connected CPC 100. Figure 1: OMICRON Device Browser user interface...

  • Page 281: Upgrading And Configuring The Network Of The Cpc 100

    Use the Upgrade Device option to upgrade the software of your CPC 100 with a newer version. With the View option you can select how the connected devices are displayed. Note: These two options are also available via the CPC 100 Start Page from the Manage drop-down menu. Figure 2:...

  • Page 282: Viewing Test Files

    CPC 100 V 1.44 Viewing Test Files To display all tests, click on the "Tests" folder of the device on the left-hand side pane. All available tests will be listed. Figure 3: Available tests shown on the right-hand side pane...
  • Page 283 OMICRON Device Browser Right-click on the respective test on the right-hand side pane to open the context menu or use the Windows Explorer menus. You can cut, copy, delete or rename the test files. Furthermore, it is possible to display test reports and to open the test file using the CPC Editor.
  • Page 284 CPC 100 V 1.44 The test report contents are then displayed in a separate window. Figure 6: Test report contents 11 - 8...
  • Page 285 OMICRON Device Browser The Open With CPCEditor context menu allows you to directly open and edit your tests from the CPC 100 with CPC Editor. The CPC Editor can also be accessed via the CPC 100 Start Page. Figure 7:...

  • Page 286: Cpc Editor

    CPC 100 V 1.44 You can save tests directly to the CPC 100 from the CPC Editor. Figure 8: Saving tests with the CPC Editor 11 - 10...
  • Page 287 OMICRON Device Browser Furthermore, it is possible to load test results directly into the CPC Excel File Loader. Figure 9: Loading files into the CPC Excel File Loader 11 - 11...
  • Page 288 CPC 100 V 1.44 11 - 12...
  • Page 289 1. An .xml file is a test with all of its test cards and specific settings. It may also contain test results and assessments that were stored together with the settings as report in the CPC 100 file system for archiving purposes.

  • Page 290: Installing The Cpc Editor

    To start the CPC Editor, click the CPC Editor icon on the CPC 100 Start Page. Figure 1: CPC Editor user...
  • Page 291 • The right-hand side test card pane resembles the user interface of the selected test card as it is laid out in the CPC 100 software. Here, the test card-specific parameters are specified. 12 - 3...

  • Page 292: Appending A Test Card

    CPC 100 V 1.44 Appending a Test Card Appending a test card means: • appending it to an empty list, that is, make it the first test card • appending it to the last position of an already existing list of test cards.

  • Page 293: Inserting A Test Card

    CPC Editor, and saved to the computer’s hard disk • or previously created (and even executed and assessed) with the CPC 100, and then uploaded to the computer’s hard disk by means of the OMICRON Device Browser.

  • Page 294: Copying A Test Card

    CPC 100 V 1.44 Copying a Test Card In most cases, it is easier to copy/paste an existing and already parametrized test card, and to rename it accordingly, than to start a new one from the beginning. To copy a test card either •...

  • Page 295: Renaming A Test Card

    The template is then uploaded to the CPC 100 using the OMICRON Device Browser. Note: The file name extension .xmt is appended automatically. Do not enter any other file name extension as the CPC 100 will not recognize it as a valid template. 12 - 7...

  • Page 296: Deleting A Test Card

    CPC 100 V 1.44 Deleting a Test Card To delete a test card from a test or a test procedure template • either right-click the list view pane to open the shortcut menu and click Delete • or select Edit | Delete Note: To delete an entire test or template, that is, an .xml or .xmt file, from...

  • Page 297: Preparing A Test Offline With A Pc

    Preparing a Test Offline with a PC Outline of a typical proceeding for an offline test preparation with a PC using the CPC Editor and OMICRON Device Browser. It is recommended to create subfolders in a tree structure that corresponds with...
  • Page 298 • Once all tests are composed, use the OMICRON Device Browser’s upload function to transfer the entire tree structure from your PC to the CPC 100 at once. Single files can be transferred directly from the CPC Editor using Save as… from the File menu.

  • Page 299: Cpc Excel File Loader

    The CPC Excel File Loader is installed with the CPC 100 Start Page. After the installation, you can start the CPC Excel File Loader directly from the CPC 100 Start Page by clicking on the respective icon.

  • Page 300: Working With The Cpc Excel File Loader

    Because the results are converted into Microsoft Excel compatible numbers, post-processing of the data is straightforward. In a blank customer sheet, you can reference to the data in the sheets designed by OMICRON electronics using Microsoft Excel formulas. Then, if the data in the OMICRON sheets is updated, the customer sheet is updated, too.

  • Page 301: Template Usage

    OMICRON electronics or end users for designated applications. The XML templates are predefined test procedures, often with comments, that run on the CPC 100 and guide the user through the test. Once completed, the XML file is saved, downloaded to the PC and then loaded into the corresponding Microsoft Excel template.
  • Page 302 CPC 100 V 1.44 13 - 4...
  • Page 303 CPC 100 Combined Specifications ..........page 14-28 ePC Interfaces ................page 14-29 PC and Network Interfaces (CPC 100 V0 only) ..... page 14-29 Network Interface (CPC 100 V1 only) ........page 14-29 USB Interface (CPC 100 V1 only).......... page 14-29 Serial Interface Connector .............

  • Page 304: General

    (fs). Example: – The CPC 100 is set to the 800A AC range. – The display shows a measured value of 720 A at I Out. – The guaranteed error is specified as 0.2% (rd) + 0.2% (fs).
  • Page 305 Technical Data Also refer to ”Temperature Monitoring” on page 2-30. • When loaded with a high burden, the 800A AC, 400A DC, 6A AC (also in the 3A AC mode) and 6A DC outputs can generate noise. This noise, however, is normal and no reason to worry. •...

  • Page 306: Technical Data

    CPC 100 V 1.44 Power Supply Note: For safety-relevant issues regarding CPC 100 power supply, also refer to ”Power Supply” on page 1-6. Table 1: Mains power supply technical data Mains Power Supply Connection AC voltage, 1 phase, connector IEC320/C20 Voltage single phase •...

  • Page 307: Cpc 100 Outputs

    Technical Data CPC 100 Outputs Note: Due to safety-relevant issues regarding the CPC 100 high-current and high-voltage outputs, also read ”High-voltage and high-current outputs” on page 1-9. High-Current and High-Voltage Outputs The high-current and high-voltage outputs are all situated at the left-hand side of the CPC 100.
  • Page 308 CPC 100 V 1.44 800A AC output Measurement Internal precision current measurement from 0 ... 800A AC Abs. max. limited through output rating: Accuracy: typ. error < ± 0.1% (rd) ± 0.1% (fs), guaranteed < ± 0.2% (rd) ± 0.2% (fs) Possible crest factor: <...

  • Page 309: 400A Dc Output

    Technical Data 400A DC output Note: While using the 400A DC output, disconnect any cables that may be plugged in to the 800A AC output. These outputs are internally connected. Table 3: 400A DC output technical data 400A DC output Connection 10 mm connectors Insulation...

  • Page 310: 2Kv Ac Output

    Reinforced insulation against mains power supply, all interfaces and other safety low-voltage circuits. Measurement Internal precision current and voltage measurement, integrated in the CPC 100 (for details, see tables below). Abs. max. rating: limited through output Connection: internally connected...
  • Page 311 Measurement Display 1 mA/bit 500mA: 100 A/bit : 10 A/bit 1 A 50mA Phase tolerance typ. error < ± 0.1°, at full scale: guaranteed < ± 0.2° 1. Available for the CPC 100 serial number Dxxxxx and higher. 14 - 9...
  • Page 312 CPC 100 V 1.44 Table 6: Technical data of 2kV AC output at a voltage range of 1000 V 2kV AC output at a Maximum current Peak current I < 6.0 A voltage range of 1000V peak Effective current I <...
  • Page 313 Phase tolerance typ. error < ± 0.1°, at full scale: guaranteed < ± 0.2° 1. Available for the CPC 100 serial number Dxxxxx and higher. Table 7: Technical data of 2kV AC output at a 2kV AC output at a voltage range of 500V...
  • Page 314 Measurement Display 1 mA/bit 500mA: 100 A/bit : 10 A/bit 1 A 50mA Phase tolerance typ. error < ± 0.1°, at full scale: guaranteed < ± 0.2° 1. Available for the CPC 100 serial number Dxxxxx and higher. 14 - 12...
  • Page 315 Technical Data Figure 3: Typical maximum output voltage of 2kV AC output depending on frequency and power frequency in Hz Note: The 2kV AC output signal is generated by an internal transformer. To avoid saturation, sudden magnitude changes are suppressed. The signal is output as a ramp.

  • Page 316: Outputs On The Cpc 100 Front Panel

    CPC 100 V 1.44 Outputs on the CPC 100 Front Panel Note: The outputs of the CPC 100 front panel are not controlled. Furthermore, there is no internal measurement provided. To measure a front panel output signal, connect it to a measuring input: •...
  • Page 317 Technical Data Table 9: Technical data of 6A / 130V AC output in 130V AC mode 6A / 130V AC output in Output power at: typical apparent typical time t frequency 130V AC mode power S 130V 390 VA > 2 h 50 ...
  • Page 318 CPC 100 V 1.44 Table 10: Technical data of 6A / 130V AC output in 6A / 130V AC output in 6A AC mode 6A AC mode Output power at: typical apparent typical time t frequency power S 6.0A 330 VA >...

  • Page 319: 6A Dc Current Output

    The existence of a discharge voltage potential is also indicated by a lit LED - even if the CPC 100 is switched off. This LED is situated at the right-hand side of the 6A DC output sockets.

  • Page 320: Output "Ext. Booster" (Option)

    AC OUTPUT in 3A and 6A current mode and the DC OUTPUT Warning: If a test object with a large inductance is connected to the CPC 100, earth both ends of the test object before you disconnect it from the CPC 100.

  • Page 321: Output To Input Synchronization

    The Amplifier test card provides the possibility to synchronize to various inputs. The CPC 100 filters the input signals, therefore, if mains is connected to, for example, the V1 AC input, possible signal interferences and / or noise do not affect the synchronization considerably.
  • Page 322 CPC 100 V 1.44 Total synchronization time = time to reach 5% of full magnitude + settling time. • The output ramps linear, therefore reaches 5% of its full magnitude after 5% of 1200 ms = 60 ms • Then the 100 ms settling time elapses •...

  • Page 323: Cpc 100 Inputs

    Technical Data CPC 100 Inputs BIN IN Binary Input Table 14: BIN IN binary input technical data Binary input BIN IN Connection 4 mm banana sockets Insulation Insulated against all other inputs and outputs. Voltage with reference to earth must not exceed...

  • Page 324: 10A Iac/Dc Input

    CPC 100 V 1.44 10A IAC/DC Input Warning: Do not connect the 2kV output to this input! The 2kV output is measured internally. Table 15: 10A IAC/DC input technical data 10A IAC/DC input Connection 4 mm banana sockets Measurement 0 ... 10 A ranges 0 ...

  • Page 325: 300V V1 Ac Input

    Technical Data 10A IAC/DC input • DC operation 10A: typ. error < ± 0.03% (rd) ± 0.08% (fs), (autoranging) guaranteed < ± 0.05% (rd) ± 0.15% (fs) typ. error < ± 0.03% (rd) ± 0.08% (fs), guaranteed < ± 0.05% (rd) ± 0.15% (fs) ...
  • Page 326 CPC 100 V 1.44 300V V1AC input Insulation N (black socket) is connected to N of the V2 AC input Apart from this, the input is insulated against all other inputs and outputs. Voltage with reference to earth must not...

  • Page 327: 3V V2 Ac Input

    Technical Data 3V V2 AC Input Table 17: 3V V2AC input technical data 3V V2 AC input Connection Odu connector GX1B0C-L020009-00A1 Measurement 0 ... 3 V / 0 ... 300 mV / 0 ... 30 mV ranges (autoranging) Insulation N is connected to N of the V1AC input (black socket). Apart from this, the input is insulated against all other inputs and outputs.
  • Page 328 CPC 100 V 1.44 3V V2 AC input 30 mV typ. error < ± 0.15° guaranteed < ± 0.3°  Input 10 M resistance Resolution Mea- Display surement 150 V/bit 3 V: 300 mV: 30 V/bit 3 V/bit 10 V...

  • Page 329: 10V V Dc Input

    Technical Data 10V V DC Input Table 18: 10V VDC input technical data 10V VDC input Connection 4 mm banana sockets Measurement 0 ... 10 V ranges 0 ... 1 V (autoranging) 0 ... 100 mV 0 ... 10 mV Insulation Insulated against all other inputs and outputs.

  • Page 330: Cpc 100 Combined Specifications

    CPC 100 V 1.44 CPC 100 Combined Specifications Resistance Measurement The accuracy of the combined measurements can be calculated from the respective input and output specifications. The tables below give some examples. 4-wire measurement with 400A DC output and 10V VDC input...

  • Page 331: Epc Interfaces

    The CPC 100 V0 supports the 10BaseT (twisted pair) Ethernet ( Glossary) interface for connecting the CPC 100 to a PC, a notebook or a network hub. CPC 100 V0 is equipped with two RJ-45 connectors. The connector labeled "PC" connects the CPC 100 to a PC or a notebook, and the connector labeled "Network"...

  • Page 332: Serial Interface Connector

    CPC 100 V 1.44 Serial Interface Connector Figure 6: Serial interface connector 1 DCD (in) 6 DSR (in) 2 RXD (in) 7 RTS (out) 3 TXD (out) 8 CTS (in) 4 DTR (out) 9 RI (in) 5 GND Legend: •...

  • Page 333: Connector For External Safety Functions

    Technical Data Connector for External Safety Functions Figure 7: Connector for external safety functions - pin assignment 1 warning light green (TTL level) 6 ground 2 warning light red (TTL level) 7 ground 3 start button (n/o) 8 start button (n/c) 4 common start n/o &...

  • Page 334: Environmental Conditions

    Make sure no water can come in through the ventilation slots. Warning: Since the AC and DC output sockets of the CPC 100 can carry life- hazardous voltage potential and provide life-hazardous currents, we strongly advise you not to carry out tests with a wet CPC 100.

  • Page 335: Safety Standards, Electromagnetic Compatibility (Emc)

    Technical Data Safety Standards, Electromagnetic Compatibility (EMC) Table 21: Safety Standards and CE Conformity, Requirements EMC Compatibility The product adheres to the specifications from the guidelines of the Council of the European Community for meeting the requirements of the member states according to the EMC Directive 2004/108/EC and LVD Directive 2006/95/EC.
  • Page 336 CPC 100 V 1.44 14 - 34...
  • Page 337 CPC 100 packages. It furthermore describes hardware equipment that is optionally available for the CPC 100 primary test system, and provides ordering information for spare parts. For information on the CP CU1 coupling unit and the CP TD1 high-precision test system, see the CP CU1 Reference Manual and the CP TD1 Reference Manual respectively on the CPC 100 Toolset DVD.

  • Page 338: Test Cards

    CPC 100 V 1.44 Test Cards Table 1: Ordering information for test cards Ordering information for test cards Article number CT test cards VESM0610 Scope: • CTRatio (and Burden) • CTBurden • CTExcitation (Kneepoint) • CTRatioV • CTRogowski (Ratio) •...
  • Page 339 Programmable ramping generator and determination of thresholds Sequencer VESM0635 For automatic testing with different states in real time Amplifier VESM0660 To set the CPC 100 to an "amplifier-like" mode. 1. Note: the CPOL hardware cannot be used without the software. 15 - 3...

  • Page 340: Earth Resistance Accessory Set

    CPC 100 V 1.44 Earth Resistance Accessory Set Table 2: Ordering information for the earth resistance Ordering information for the earth Article number accessory set resistance accessory set Earth Resistance accessory set VEHZ0660 Consists of: • 4 electrodes • cable reel red, 50 m •...

  • Page 341: Current Booster Cp Cb2

    CP CB2 develops an internal temperature that is too high, it shuts off automatically. There is no according on-screen message shown on the CPC 100 monitor. If such an automatic shut-off occurs, let the CP CB2 cool down for about ½ hour.

  • Page 342: Technical Data Of The Cp Cb2

    CPC 100 V 1.44 Technical Data of the CP CB2 Table 3: Technical data of the CP CB2 - all operating Technical Data of the CP CB2 - all operating modes modes Accuracy of current typ. error < ± 0.13% (rd) ± 0.13% (fs), at 50/60 Hz: guaranteed <...

  • Page 343: Operation Modes Of The Cp Cb2

    Accessories Operation Modes of the CP CB2 Figure 3: Current booster CP CB2 in 2000A mode for a CT ratio measurement 15 - 7...
  • Page 344 Technical data of the CP CB2 in 2000A mode current booster CP CB2 Connection Input: booster connector to connect the current in 2000A mode booster CP CB2 with the CPC 100 Output: both CP CB2 outputs in parallel Measurement Measurement in the CPC 100 Output power typ. apparent...
  • Page 345 Accessories Figure 4: Current booster CP CB2 in 1000A mode 15 - 9...
  • Page 346 Technical data of the CP CB2 in 1000A mode current booster CP CB2 Connection Input: booster connector to connect the current in 1000A mode booster CP CB2 with the CPC 100 Output: both CP CB2 outputs in series Measurement Measurement in the CPC 100 Output power typ. apparent...

  • Page 347: Ordering Information For The Cp Cb2

    CPC 100 3 x 2.5 mm², length 20 m • Grounding cable (GR/YE) VEHK0615 1 x 6 mm², length 6 m • Travel case with wheels (same as CPC 100 VEHP0071 travel case but with different inner shell). 15 - 11...

  • Page 348: Polarity Checker Cpol

    Polarity checker CPOL Warning: If you detect a wrong polarity in the current path, turn off the CPC 100 first, and only then disconnect the terminals. Warning: Never operate the CPOL with an open battery compartment. A life- hazardous voltage level may occur in the battery compartment if the CPOL’s...

  • Page 349: Technical Data Of The Cpol

    Accessories Technical Data of the CPOL Table 7: Technical data of the CPOL Technical Data of the CPOL Measuring range typical: 5 mV ... 300 V guaranteed: 50 mV ... 300 V Nominal frequency typical: 52.6 Hz possible: 40 ... 60 Hz Minimum slope ratio: 25 ...

  • Page 350: Changing The Batteries In The Cpol

    CPC 100 V 1.44 Changing the Batteries in the CPOL 1. Open the cover of the CPOL’s battery compartment using a screwdriver. Make sure to position the screwdriver in an angled position as shown in the picture below and push it downwards to lift the cap of the battery compartment.
  • Page 351 Accessories 3. Insert the two lower batteries first (next to the cover’s "—" symbol), and push them all the way in. Make sure you insert them with the "plus pole" going in first, the "minus" pole pointing towards the compartment’s open cover. Then insert the two upper batteries (next to the cover’s "+"...

  • Page 352: Current Clamp C-Probe 1

    CPC 100 V 1.44 Current Clamp C-Probe 1 Figure 6: Current clamp C- Probe 1 Ordering Information for the C-Probe 1 Table 9: Ordering information for the current clamp C- Ordering Information for the C-Probe 1 Article number Probe 1...

  • Page 353: Cp Sa1

    CPC 100 V DC input. If high voltage appears for a short time on the transformer’s terminals, an arc discharges the voltage and extinguishes without destroying the CP SA1.

  • Page 354: Ordering Information For The Cp Sa1

    1. Select the Resistance test card. 2. Select the V DC (2-wire) output range. 3. Connect the CP SA1 to the CPC 100 V DC input. 4. Short-circuit the CP SA1’s output and measure the resistance. If the measured resistance is < 1 , the test is passed.

  • Page 355: Clamps

    India Power cords for other countries on request. Please contact OMICRON electronics. 1. If your CPC 100 has a power cord with open ends, connect the three cables as follows: green/yellow: PE (protective earth) brown: phase blue: N (neutral)

  • Page 356: Plugs

    CPC 100 V 1.44 Plugs Table 13: Ordering information for plugs Ordering description for plugs Article number Plug for AC low-voltage level input V2 AC VEHS0610 (0 ... 3 V), "Odu  MINI SNAP" (refer to ”Assembly Instructions for Odu MINI- SNAP Plug”...
  • Page 357 Accessories 2. Strip cable and wire We recommend tinning the strands with a soldering iron. 3. Solder each wire to its corresponding contact of the insert. 4. Bend cable screen outwards, and place the two half shells on either side of the insulation body.
  • Page 358 CPC 100 V 1.44 6. Trim protruding screen strands, and push the cable assembly into the housing, orientating the guides to the slots. Guides 7. Finish the assembly by screwing the backnut to the housing, and by tightening them with wrenches.

  • Page 359: Contact Information / Technical Support

    Houston, TX 77046, USA Phone: +1 713 830-4660 or 1 800 OMICRON E-Mail: techsupport@omicronusa.com Web: www.omicronusa.com For addresses of OMICRON offices with customer service centers, regional sales offices or offices for training, consulting and commissioning please visit our Web site. 16 - 1...
  • Page 360 OMICRON Contact Addresses 16 - 2...
  • Page 361 800A AC output ..... . 2-6 block diagram CPC 100 ....2-13 technical data .
  • Page 362 CPC 100 V 1.44 CENELEC HD637S1 ....7-14 how much for how long? ..2-3 circuit breaker. Refer to fuse...
  • Page 363 ....14-32 functionality of CPC 100 ....1-13 fuse components .
  • Page 364 CPC 100 V 1.44 6.3 A T ..... . . 2-6, 2-8 IP 22 drip-water protection ... . 14-32 changing the power fuses .
  • Page 365 OLTC (on load tap changer) ... 6-28 frequency-selective measurement ..3-6 OMICRON address ....16-1 measuring on state in Quick .
  • Page 366 ..8-7 Reference Manual setting CPC 100 into operation ..2-49 ordering information ....15-18...
  • Page 367 0...3V AC input ....14-25 CPC 100 software ....2-17 10A I AC/DC input .
  • Page 368 CPC 100 V 1.44 template strings ....9-4 setting up a test ....2-49 test procedure template .
  • Page 369 ....4-43 CPC 100 software ....2-17 Rogowski .
  • Page 370 CPC 100 V 1.44 17 - 10...

Table of Contents

Save PDF