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a-eberle LVRSys User Manual

Low-voltage-regulation-system: 3-phase / 1-phase systems
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User Manual
LVRSys™ - 3-phase / 1-phase Systems
Low-Voltage-Regulation-System™
Outdoor Al
Outdoor GRP
Pole mounted
Indoor
Systems of the series: 180.1000.2xxx
Delivery from 2017 and FW-Version 12.00.05 / 12.01.00

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  • Page 1 User Manual LVRSys™ - 3-phase / 1-phase Systems Low-Voltage-Regulation-System™ Outdoor Al Outdoor GRP Pole mounted Indoor Systems of the series: 180.1000.2xxx Delivery from 2017 and FW-Version 12.00.05 / 12.01.00...

  • Page 2: Table Of Contents

    Operating behavior in the low-voltage grid ................10 Voltage drop with load......................11 Voltage boost with generator (e. g. PV feeder) ..............12 Commissioning and Decommissioning LVRSys™ ............. 13 Indicator lamps & system switch ................... 13 Commissioning and decommissioning LVRSys™ ..............13 Check that there is no voltage present ..................
  • Page 3 9.10 Parameters ..........................26 9.10.1 Set point ..........................27 9.10.2 Tolerance band + and tolerance band - .................. 27 9.10.3 Reaction time .......................... 28 9.10.4 Impedance ..........................29 9.10.5 Balancing (Bal. active) ......................30 9.10.6 Overvoltage warning ....................... 30 9.10.7 Undervoltage warning ......................
  • Page 4 We take care of it. 10.5.2 CSV configuration of the IEC 60870-5-104 Slave ..............51 10.5.3 IEC 60870-5-104 Parameters ....................51 10.5.4 Redundancy System ....................... 52 10.5.5 Process information for monitoring ..................53 10.5.6 Process information for control ..................... 53 10.5.7 IEC 60870-5-104 register assignment ..................

  • Page 5: User Guidance

    User guidance This User Manual is a summary of the information needed for the installation,commisioning and operation of the low-voltage regulator. Read the User Manual in its entirety and do not use the product unless you have understood the User Manual. Target group The User Manual is intended for skilled technicians as well trained and certified operators.

  • Page 6: Other Symbols

    We take care of it. Other symbols Instructions Structure of the instructions:  Instructions for an action.  Indication of an outcome, if necessary. Lists Structure of unnumbered lists: List level 1 – List level 2 Structure of numbered lists: 1) List level 1 2) List level 1 1.

  • Page 7: Scope Of Delivery/Options (Pl1.9)

    LVRSys™ mounting instructions Circuit diagram of the LVRSys™control cabinet LVRSys™ test certificate Configuration possibilities The possibities of how an LVRSys can be configured cab be found in the Configuration help LVRSys in coorespondense with the sales partners: https://www.a-eberle.de/en/contact/partners Safety instructions ...

  • Page 8: Technical Data

    We take care of it. Technical Data Rated data Rated voltage �� 400 V / 230 V ±20 % (L-L/LE) �� 230 V / 133 V ±20 % (L-L/LE) Rated current �� 3-phase (400 V L-L) 3-phase (230 V L-L) ��...
  • Page 9 Limits Rated impulse voltage �� 6 kV ������ Rated short-time current resistance 5 kA (till 160 A) �� ( 1 s) ���� 15 kA (200 A till 1005 A) Conditional rated short-circuit current 20 kA (to 160 A) �� ���� 50 kA (200 A till 1005 A) Rated short-circuit current ��...
  • Page 10 We take care of it. 160 cm/50 cm/100 cm 32 A – 910 A GRP - Base 113 cm/32 cm/90 cm 32 A – 160 A 146 cm/32 cm/90 cm 32 A – 355 A 8 % Steel base indoor (pre- 60 cm/60 cm/20 cm 32 A –...

  • Page 12: Intended Use

    (e.g. 9) steps. This technique is also refered to as Buck/Boost transformers The maximum control range depends on the model of LVRSys (e.g. from ±6% up to ±24%). The switching of the transformers is controlled by thyristors. The regulation steps are determined by the thyristors' various switching settings.
  • Page 13 We take care of it. Figure 7-1 Single-phase functional diagram Trafo 1 Additional transformer 1 Trafo 2 Additional transformer 2 F1, F2 Fuse Safety contactor Switching resistor Thyristors Thyristors control V_in Unregulated input voltage V_out Regulated output voltage Table 7-2 Explanation of the abbreviations Page 8...
  • Page 14 Figure 7-2 Example of 3% voltage reduction In the example shown in Figure 7-2, the output voltage is reduced by 3% compared with the input voltage. The transformer Trafo 1 (-4.5%) converts the primary voltage, which is switched by thyristors, in a negative direction and subtracts (bucks) 10.35 V (4.5% of 230 V) from the output voltage.

  • Page 15: Operating Behavior In The Low-Voltage Grid

    The low-voltage regulation systems are designed for a long, robust use in the low-voltage grid. In the following, grid scenarios are compared with the behavior of the low voltage regulation systems. Event reaction LVRSys™ Short circuit Ph1 Fuse blow off Ph1 Automatic bypass activated for all phases...

  • Page 16: Voltage Drop With Load

    Figure 7-4 Low voltage grid with voltage drop along the cable Figure 7-5 Low voltage grid with voltage drop along the cable (example) Figure 7-6 Low voltage grid with voltage drop along the cable regulated through LVRSys [Simulation Screenshots made with Neplan®].

  • Page 17: Voltage Boost With Generator (E. G. Pv Feeder)

    Figure 7-7 Low voltage grid with voltage boost along the cable Figure 7-8 Low voltage grid with voltage boost along the cable (example) Figure 7-9 Low voltage grid with voltage boost along the cable regulated through LVRSys [Simulation Screenshots made with Neplan®].

  • Page 18: Commissioning And Decommissioning Lvrsys

    CAUTION! Destruction of components due to overload!  Only switch the LVRSys™ ON or OFF according to the sequence of actions described below.  Never use BYPASS-separation terminals while the system is in CONTROL - mode.
  • Page 19 (remove knives). 3 . Open LVRSys OUT (remove 4 . Set the system switch to the ON posi- knives/fuses). tion. 4 . Open LVRSys IN (remove knives/fuses).  The regulator starts up automatically.  The LVRSys™ is completely disconnect- ...

  • Page 20: Check That There Is No Voltage Present

     Only measure with fused measuring devices with overvoltage category IV. Check there is no voltage at the input (LVRSys-IN). Check there is no voltage at the output (LVRSys-OUT). Systems with circuit breakers: Check there is no voltage measured on L1/L2/L3 (directly at the circuit breaker) with respect to PEN/PE rail.
  • Page 21 We take care of it. Figure 8-4 Connection and BYPASS function Circuit breaker for LVRSysIN – F1 Circuit breaker for BYPASS – F3 Circuit breaker for LVRSysOUT – F5 Table 8-3 Explanation of numbering Figure 8-5 Circuit breaker state OFF Page 16...

  • Page 22: Operation Of Systems With Switch Disconnectors

    8.4.2 Operation of systems with switch disconnectors DANGER! Risk of fatal injury from electric shock! Never partially open the LV switch disconnector. Actuate the LV switch disconnector using the handle. Its intended that LV fuses are to be used only by qualified electricians or persons trained in electrical engingeering,eg IEC 60269-2 or certified with respect to the local wiring and safe- ty regulations applicable in your country.
  • Page 23 We take care of it. 1 2 3 4 5 Figure 8-7 NH switch disconnectors CAUTION! Voltage interruption in the low voltage network! (2) Contact strip LV mains input, never switch! (4) Contact strip LV mains output, never switch! Connection switch disconnector for LVRSysIN – F1 (internal/transformer block secondary line input) Connection of switch disconnector for external input cables (mains connection transformer –...

  • Page 24: Operation Of Systems With Lv Fuse-Switch-Disconnectors

    8.4.3 Operation of systems with LV fuse-switch-disconnectors DANGER! Risk of fatal injury from electric shock! Never partially open LV fuse switch disconnectors Operate the LV fuse switch disconnectors on the handle. Its intended that LV fuses are only used by qualified electricians or persons trained in elec- trical engineering eg: IEC 60269-2 or certified with respect to the local wiring and safety regulations applicable in your country.
  • Page 25 We take care of it. Abbildung 8-9 LV fuse switch disconnector CAUTION! Voltage interruption on the low voltage network! (1/5) Operate fuse switch disconnector according to instructions! (3) Operate BYPASS fuse switch disconnector according to instructions! See chapter Fehler! Verweisquelle konnte nicht gefunden werden. REF _Ref515268057 \h \* MERGEFORMAT Fehler! Verweisquelle konnte nicht gefunden werden.

  • Page 26: Operation/Operation Regulator

    Operation/Operation regulator Indicator lamps/System switches Figure 9-1: Descriptionsystem switch lamps control cabinet 1) System switch 2) Indicator lamp Operation (green) / error (red) Indicator lamps & switch service – CPU board (A7) Figure 9-2: Slide switch service / lamp status Description: 1) Service switch 2) Status lamp...

  • Page 27: Indicator Lamps - Control Cabinet

    We take care of it. Indicator lamps – Control cabinet The indicator lamps red and green indicate the status of the system: Red: Error state; system is in automatic BYPASS. Green: Operating state; system is in faultless operation.  If the indicator lamp is red, follow the instructions in the service manual. ...

  • Page 28: Boot Process

    After the boot process is completed (approx. 45 seconds), the regulator is now in automatic mode. The boot process must be completed in order to carry out all activities such as setting the LVRSys up, changing the display pages, etc. Menu navigation In normal operation, the regulator is in automatic mode by default.

  • Page 29: Automatic Mode

    We take care of it. Automatic mode After the boot process (applying the supply voltage) is completed, the controller switches to Automatic mode. In Automatic mode, the controller is active. Figure 9-6 Display Automatic mode The display shows: three phase voltages current step positions of the phases Manual mode The regulator is not active in Manual mode.

  • Page 30: Overview Display

    Overview display Figure 9-8 Overview of menu navigation Page 25...

  • Page 31: Parameters

    We take care of it. 9.10 Parameters The individual controller parameters are described in detail below. Figure 9-9 Setting the regulator parameters  Select the Parameter menu (See Section 9.9 Overview display).  To select sub items, press the up or down key. ...

  • Page 32: Set Point

    9.10.1 Set point The default is: 230 V (400 V phase - phase) or 133 V (230 V phase - phase)  Set the set point (100 V – 260 V). 9.10.2 Tolerance band + and tolerance band - The defaults are: 97% for tolerance band –...

  • Page 33: Reaction Time

    We take care of it. 9.10.3 Reaction time The default is 10 Vs.  Reaction time adjustable from 1 Vs to 100 Vs in 0.1 steps  Reaction time adjustable from 0 Vs to 100 Vs in 0.1 steps (FW 12.01.00) NOTICE! Reaction time 0 Vs is the high speed option <...

  • Page 34: Impedance

    Resistance symbol appears in the status window. Figure 9-12 Display impedance active When the impedance is selected, the load current is included in the regulation algorithm. Example: PV Feeder LVRSys™ 0.4kV 500 m Figure 9-13 Example grid branch with 500 m cable section Cable data...

  • Page 35: Balancing (Bal. Active)

    We take care of it. In the example, the calculated voltage value of the regulator is reduced by -100 A x 0.05 Ω = -5 V for a feeding current of the PV system of 100 A. As a result, the desired voltage setpoint is regulated at the end of the cable.

  • Page 36: Undervoltage Warning

    9.10.7 Undervoltage warning The default is 90 % (related to setpoint). Adjustable from 0% to 95%. The undervoltage warning is active if the 10 second mean value of the voltage above the undervoltage warning margin which can set as required. The undervoltage waring is visible in through flags in the communication protocols and as a waring message in the Event data.

  • Page 37: Language

    We take care of it. If NTP time Sychronisation is activated (see section 10.6) the time will be updated automatically. 9.11.5 Language Possible languages: German English 9.12 Device Info Figure 9-15 Device info display  Select the Device info menu (see section 9.9 Overview display). ...
  • Page 38 Copying the update files to a USB stick:  Extract the zip file (from email or download: https://www.a-eberle.de/de/download-center-categories/firmware-1).  Save the files on a FAT32 formatted USB stick  The folder structure below is mandatory, no parent folders on the USB stick (USB stick:\unpacked files;...

  • Page 39: Logbook

    We take care of it. 9.12.3 Logbook The logbook contains following items: Event data Event data list contains: Parameters New settings State (Automatic/Manual) Change of state (Automatic-Manual) Over- / Undervoltage warnings Error. Measurement data Measurement data list contains: U1 to U3 (10 minutes average values in V) U1Z to U3Z (10 minutes average values in V, only with option Current transformer and Impedance is set) I1 to I3 (10 minutes average values in A;...
  • Page 40 Figure 9-18 Overview read logbook 9.12.3.1 Download Logbook via USB stick To download the logbook via USB stick you have to be in front of the LVRSys and follow these steps.  Insert the USB stick.  Select menu item Logbook.
  • Page 41 Download via LVRSysUpdater To download the logbook via remote access on the device you have to follow these steps:  Ensure stable remote connection to LVRSys (e. g. ping-test)  Open LVRSysUpdater.  Press Button “Log Download” (see Figure 9-19 Logs Download LVRSysUpdater) ...
  • Page 42 Evaluating the logbook (measurement data) with Microsoft Excel (alternative spreadsheet programs can also be used). A. Eberle provides an Excel macro and a descriptive video on the homepage. https://www.a-eberle.de/en/downloads/low-voltage-regulation/analysis-support Evaluation without macro  Open the Measurement data in Excel.  Select the first column (A).
  • Page 43 We take care of it. Figure 9-21 Selecting data and text in columns  Convert Text to Columns Wizard - Step 1 of 3 select Delimited.  Press Next to confirm. Figure 9-22 Text conversion wizard - Step 1 of 3 ...
  • Page 44 Figure 9-23 Text conversion wizard - Step 2 of 3  Convert Text to Columns Wizard - Step 3 of 3 press on Advanced... Figure 9-24 Text conversion wizard - Step 3 of 3 Page 39...
  • Page 45 We take care of it.  Decimal separator: Select Point.  Press OK to confirm.  Press Finish in the Convert Text to Columns Wizard to confirm. Figure 9-25 Further text import settings  Measurement data is divided into columns. 9.12.3.4 Evaluating the logbook (Event data) in Notepad++ (alternative text editing programs can also be used).

  • Page 46: Firmware-Version

    9.12.4 Firmware-Version Menu item FW-Version contains information about: Firmware - version Cortex-firmware - version Kernel - version Files ystem – version The version number is determined automatically.  No changes possible. 9.12.5 LOG ERR Display of the last occurred error. ...

  • Page 47: Type Number

    We take care of it. The individual error codes add up as follows: Error Error code Internal regulation error 0x01000 Service switch 0x00200 Internal regulation error 0x00080 Under voltage 0x00004 LOG ERR 0x1284 Table 9-7 Menu tab LOG ERR The zeros after the x are not displayed. 9.12.6 Type number Menu item Type number contains information about:...

  • Page 48: Step Width

    Figure 9-27 Setting the factory parameters  Select the Setup menu (See Section 9.9 Overview display).  To select the item submenu, press the up or down key.  Press the Enter key. Configuration:  Enter the PIN number by pressing the up/down and left/right keys. ...

  • Page 49: Resetting The Indicator

    We take care of it. 9.13.4 Resetting the indicator The Indicator or Drag indicator sets 15 min average values for the: maximum voltages (Ph 1-3) maximum currents (Ph 1-3) maximum power values (Ph 1-3) maximum and minimum temperature in the switch cabinet in °C (T). Reset indicator: ...

  • Page 50: Communication

    Communication 10.1 Ethernet Ethernet interface serves as communication interface for Modbus and IEC 60870-5-104 applications. Figure10-28 Ethernet interface 10.2 Overview communication settings Figure 10-29 Overview of the communication settings Page 45...

  • Page 51: Tcp/Ip Configuration Via Ethernet

    We take care of it. 10.3 TCP/IP Configuration via Ethernet Figure 10-30 Overview of the TCP/IP configuration The TCP/IP interface is the basis for all communication protocols and must be set according to the remote station. 10.4 Modbus 10.4.1 Modbus Setup Figure 10-31 Modbus Setup ...

  • Page 52: Modbus Register Assignment

    Configuration:  Set the parameters by pressing the up/down and left/right keys.  Enter the PIN number by pressing the up/down and left/right keys.  Press Enter to confirm the PIN.  Press Enter to confirm the selection. Standard parameters for the Modbus Communication are: TCP-Port 502 10.4.2 Modbus register assignment...
  • Page 53 We take care of it. Holding registers (16-Bit data, read and write) Name permitted values Standard Addressing Reset indicator 0/1 1 - Command Reset indicator Table 10-12 Operating status and regulator commands Input register (16-Bit data, read only) Name permitted values Unit Addressing Step size...
  • Page 54 Input register (16-Bit data, read only) Name permitted values Unit Addressing Drag indicator U2 max. 0 - 65000 0.1 V Drag indicator U3 max. 0 - 65000 0.1 V Drag indicator I1 max. 0 - 65000 0.1 A Drag indicator I2 max. 0 - 65000 0.1 A Drag indicator I3 max.

  • Page 55: Iec 60870-5-104

    10.5.1 Unlock IEC 60870-5-104 License This chapter can be skipped if the protocol was already activated by A-Eberle on delivery. Figure 10-32 T104 licensing The licensce file is transmitted by the A. Eberle support team and is linked to the serial number of the system.

  • Page 56: Csv Configuration Of The Iec 60870-5-104 Slave

    10.5.2 CSV configuration of the IEC 60870-5-104 Slave The LVRSys™ IEC 60870-5-104 slave can be configured through a CSV file. When the system is started, the CSV file is loaded and the IEC 60870-5-104 slave is then ready for operation.

  • Page 57: Redundancy System

    We take care of it. LVRSys™ IEC 60870-5-104 slave can be bound to a system IP address in the first instance. This is useful if redundancy systems are used for communication or there is an additional connection via other networks such as WLAN or UMTS. LVRSys™ IEC 60870- 5-104 slave then only listens to the first instance.

  • Page 58: Process Information For Monitoring

    10.5.5 Process information for monitoring Process information implemented as standard for monitoring: Type identification Process information Single message Double message Measured value, shorted floating point number Single message with time stamp Double message with time stamp Measured value, shorted floating point number with time stamp Table 10-16 Process information for monitoring Process information for control 10.5.6...

  • Page 59: Iec 60870-5-104 Register Assignment

    We take care of it. 10.5.7 IEC 60870-5-104 register assignment The register assignment is valid for firmware version 12.00.04 in combination with the CSV configuration (# T104 csv file for LVRSys V1.3 – 9U #). Values Description: ON -> OFF -> 0 Alarms/Message IEC60870-104...
  • Page 60 Measured values + counter Permitted val- IEC60870-104 IEC60870-104 Name Standard Addressing Type Step size 0 – 1000 Step Phase 1 0 - 8 Step Phase 2 0 - 8 Step Phase 3 0 - 8 Voltage Phase 1 Voltage Phase 2 Voltage Phase 3 Current Phase 1 Current Phase 2...
  • Page 61 We take care of it. Drag indicator P1 max. Drag indicator P2 max. Drag indicator P3 max. Drag indicator Temp. cabinet max. Drag indicator Temp. cabinet min. Table 10-20 Measured values +counter register Regulation parameters actual values Permitted IEC60870-104 IEC60870-104 Name Standard values...

  • Page 62: Ntp Time Synchronization

    10.6 NTP Time Synchronization Figure 10-1 NTP Display NTP time synchronization takes place via the connection to an NTP server.  Connection to network or Internet required.  Set the desired server IP NTP IP1, NTP IP2.  Possible IP for Internet connection 192.53.103.108 (PTB, Braunschweig) ...

  • Page 63: It-Security

    We take care of it. IT-Security Figure 11-1 Overview security parameters  Selection of the sub item security for setting security-relevant parameters. Change and adjust the PIN. Shut down and allow protocols. Shut down and allow remote access. Encrypt TCP/IP packets. Shut down and activate Ethernet interface.

  • Page 64: External Devices & Modifications

    I15, I3), fuse terminals for the voltage taps and current transformers for the current measurement at the output bus bar are installed. DANGER! Danger of electric shock! Establish BYPASS operation. WARNING! To ensure there is no voltage on the PQI-DA smart the LVRSys must be in BYPASS mode. Page 59...

  • Page 65: Servicing/Cleaning/Spare Parts

     Make sure the LVRSys™ is completely de-energised.  Remove low voltage cables.  Remove local cabinet grounding. The disposal of the LVRSys™ is carried out by A. Eberle GmbH & Co. KG.  Send all components to: A. Eberle GmbH & Co. KG Frankenstraße 160...

  • Page 66: Warranty

    Warranty A. Eberle GmbH & Co. KG. warrants that this product and accessories will be free from defects in materials and workmanship for a period of three years from the date of purchase. Warranty does not apply to damage caused by: Accidents Misuse Abnormal operating conditions...
  • Page 67 We take care of it. Notes Notes Page 62...
  • Page 68 A. Eberle GmbH & Co. KG Frankenstraße 160 D-90461 Nuremberg Tel.: +49 (0) 911/62 81 08-0 Fax: +49 (0) 911/62 81 08 96 Email: info@a-eberle.de http://www.a-eberle.de Edition of: 06/05/2019 Version: 180.1000.2xxx_Manual_LVRSys_Standard_en_V_1_9.docx Copyright 2013 - 2019 A. Eberle GmbH & Co. KG...

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