ABB RET 54 Series Technical Reference Manual, General
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ABB RET 54 Series Technical Reference Manual, General

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Technical Reference Manual, General

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  • Page 1 Transformer Terminal RET 54_ Technical Reference Manual, General...

  • Page 3: Table Of Contents

    5.1.3. Parameters and events ............33 5.1.4. Parameterization ..............34 5.1.4.1. Local parameterization ........34 5.1.4.2. External parameterization ........34 5.1.4.3. Storing of parameters and recorded data ..35 5.1.5. Auxiliary voltage ...............35 5.1.5.1. Power supply versions ........35 © Copyright 2005 ABB Oy, Distribution Automation, VAASA, Finland...
  • Page 4 5.1.10.1.Selection of analog output range .......62 5.1.10.2.Attributes of an analog output for transformer terminal configuration 62 5.1.10.3.Analog output configuration example....63 5.1.11.Trip circuit supervision .............64 5.1.11.1.Configuring the trip circuit supervision CMTCS_ 66 5.1.12.Self-supervision (IRF) ............66 © Copyright 2005 ABB Oy, Distribution Automation, VAASA, Finland...
  • Page 5 5.2.5. Terminal diagram of the RTD/analog module ....99 5.2.6. Terminal connections ............99 6. Service ...................103 7. Ordering Information ............104 7.1. Order number ................104 7.2. Hardware versions of RET 541, RET 543 and RET 545 ...105 © Copyright 2005 ABB Oy, Distribution Automation, VAASA, Finland...
  • Page 6 10.4.Class 1 data buffering and priorities .........109 10.5.Class 2 data ................110 10.5.1.Class 2 measurand sets (ASDU frames) .......110 10.5.2.Class 2 value scaling .............110 10.6.Default mappings ..............110 10.7.Class 2 measurand sets ............118 11.Index ..................121 © Copyright 2005 ABB Oy, Distribution Automation, VAASA, Finland...

  • Page 7: About This Manual

    This document and parts thereof must not be reproduced or copied without written permission from ABB Oy, and the contents thereof must not be imparted to a third party nor used for any unauthorized purpose.

  • Page 8: Related Documents

    RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General 1.4. Related documents Name of the manual MRS number General Manuals Installation Manual 1MRS750526-MUM Technical Descriptions of Functions (CD-ROM) 1MRS750889-MCD RE_ 54_ Operator’s Manual 1MRS750500-MUM Protection & Control Terminals REF 54_, RET 54_, REM 54_, 1MRS750745-MUM REC 523 Configuration Guideline RER 103 Bus Connection Module, Technical Description...

  • Page 9: Safety Information

    RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General Safety information Dangerous voltages can occur on the connectors, even though the auxiliary voltage has been disconnected. National and local electrical safety regulations must always be followed. The device contains components which are sensitive to electrostatic discharge.

  • Page 10: Introduction

    Introduction 3.1. General The RET 54_ transformer terminal is part of the ABB Distribution Automation system and extends the functionality and flexibility of the concept further. This is possible due to the modern technology applied both in hardware and software solutions.
  • Page 11 RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General Table 3.2.-1 Hardware versions of RET 541, 6I/3U transformers Order number HW modules Analog interface Current trafo 1/5 A Voltage trafo 100 V Main processor boards CPU module Power supply boards PS1: 80...265 VDC/AC (High) PS1: 80...265 VDC /AC (Medium) PS1: 18...80 VDC/ (Low)
  • Page 12 RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General Table 3.2.-2 Hardware versions of RET 541, 7I/2U transformers Order number HW modules Analog interface Current trafo 1/5 A Voltage trafo 100 V Main processor boards CPU module Power supply boards PS1: 80...265 VDC/AC (High) PS1: 80...265 VDC /AC (Medium) PS1: 18...80 VDC (Low)
  • Page 13 RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General Table 3.2.-3 Hardware versions of RET 541, 8I/1U transformers Order number HW modules Analog interface Current trafo 1/5 A Voltage trafo 100 V Main processor boards CPU module Power supply boards PS1: 80...265 VDC/AC (High) PS1: 80...265 VDC /AC (Medium) PS1: 18...80 VDC (Low)
  • Page 14 RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General Table 3.2.-4 Hardware versions of RET 543, 6I/3U transformers Order number HW modules Analog interface Current trafo 1/5 A Voltage trafo 100 V Main processor boards CPU module Power supply boards PS1: 80...265 VDC/AC (High) PS1: 80...265 VDC/AC (Medium) PS1: 18...80 VDC (Low)
  • Page 15 RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General Table 3.2.-5 Hardware versions of RET 543, 7I/2U transformers Order number HW modules Analog interface Current trafo 1/5 A Voltage trafo 100 V Main processor boards CPU module Power supply boards PS1: 80...265 VDC/AC (High) PS1: 80...265 VDC/AC (Medium) PS1: 18...80 VDC (Low)
  • Page 16 RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General Table 3.2.-6 Hardware versions of RET 543, 8I/1U transformers Order number HW modules Analog interface Current trafo 1/5 A Voltage trafo 100 V Main processor boards CPU module Power supply boards PS1: 80...265 VDC/AC (High) PS1: 80...265 VDC/AC (Medium) PS1: 18...80 VDC (Low)
  • Page 17 RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General Table 3.2.-7 Hardware versions of RET 545, 6I/3U transformers HW modules Order number Analog interface Current trafo 1/5 A Voltage trafo 100 V Main processor boards CPU module Power supply boards PS1: 80...265 VDC/AC (High) PS1: 80...265 VDC/AC (Medium) PS1: 18...80 VDC (Low)
  • Page 18 RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General Table 3.2.-8 Hardware versions of RET 545, 7I/2U transformers HW modules Order number Analog interface Current trafo 1/5 A Voltage trafo 100 V Main processor boards CPU module Power supply boards PS1: 80...265 VDC/AC (High) PS1: 80...265 VDC/AC (Medium) PS1: 18...80 VDC (Low)
  • Page 19 RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General Table 3.2.-9 Hardware versions of RET 545, 8I/1U transformers HW modules Order number Analog interface Current trafo 1/5 A Voltage trafo 100 V Main processor boards CPU module Power supply boards PS1: 80...265 VDC/AC (High) PS1: 80...265 VDC/AC (Medium) PS1: 18...80 VDC (Low)

  • Page 20: Instructions

    RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General Instructions 4.1. Application RET 541/543/545 transformer terminals are designed to be used for the protection, control, measurement and supervision of two-winding power transformers and generator-transformer blocks in distribution networks. RET 54_ terminals can also be used in harsh environments e.g.
  • Page 21 RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General RET 54_ RETex Fig. 4.1.-1 An application example of the integrated transformer terminal RET 543 with basic functions. While offering full protection with local and remote control in a cost-effective way, the integrated terminal technology of the RET 541/543/545 units provides a wide variety of control logic, measurement and condition monitoring functions, thus minimizing the need for auxiliary relays and panel work.
  • Page 22 RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General By means of the graphic HMI display, the control functions in the transformer terminal indicate the position of disconnectors, circuit breakers and tap changer locally. Local control of these objects is possible via the push buttons on the front panel of the transformer terminal.

  • Page 23: Requirements

    RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General 4.2. Requirements If the environmental conditions differ from those specified in section “Technical data”, as to temperature and humidity, or if the atmosphere around the transformer terminal contains chemically active gases or dust, the terminal should be visually inspected in association with secondary testing.

  • Page 24: Technical Description

    RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General Technical Description 5.1. Functional description 5.1.1. Functions of the transformer terminal The functions of the RET 54_ transformer terminal are categorized as: • Protection functions • measurement functions • control functions •...

  • Page 25: Measurement Functions

    RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General Table 5.1.1.1-1 Protection functions available for the RET 54_ Function Description NPS3Low Negative-phase-sequence (NPS) protection, low-set stage NPS3High Negative-phase sequence (NPS) protection, high-set stage OE1Low Overexcitation protection, low-set stage U/f> OE1High Overexcitation protection, high-set stage U/f>>...

  • Page 26: Control Functions

    RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General Table 5.1.1.2-1 Measurement functions available for the RET 54_ Function Description MEVO3A Three-phase voltage measurement, stage A MEVO3B Three-phase voltage measurement, stage B 5.1.1.3. Control functions The control functions are used to indicate the position of switching devices, i.e. circuit breakers and disconnectors, and to execute open and close commands for controllable switching devices in the switchgear.

  • Page 27: Condition Monitoring Functions

    RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General Table 5.1.1.3-1 Control functions available for the RET 54_ Function Description MMIALAR2 Alarm channel 2, LED indicator MMIALAR3 Alarm channel 3, LED indicator MMIALAR4 Alarm channel 4, LED indicator MMIALAR5 Alarm channel 5, LED indicator MMIALAR6 Alarm channel 6, LED indicator MMIALAR7...

  • Page 28: General Functions

    RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General 5.1.1.6. General functions The general function blocks are documented on the CD-ROM “Technical Descriptions of Functions” (refer to “Related documents” on page 9). Table 5.1.1.6-1 General functions available for the RET 54_ Function Description INDRESET...
  • Page 29 RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General Table 5.1.1.7-1 Standard functions available for the RET 54_ Function Description Natural exponential EXPT Exponentiation F_TRIG Falling edge detector Extensible comparison to greater or equal GRAY2INT Type conversion from GRAY coded input to SINT (Tap changer) Extensible comparison to greater INT_TO_* Type conversion from INT to REAL / DINT...

  • Page 30: Configuration

    RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General Table 5.1.1.7-1 Standard functions available for the RET 54_ Function Description UDINT_TO_* Type conversion from UDINT to USINT / UINT / REAL UINT_TO_* Type conversion from UINT to USINT / UDINT / REAL / BOOL USINT_TO_* Type conversion from USINT to UINT / UDINT / REAL WORD_TO_*...

  • Page 31: Mimic Configuration

    RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General iec_conf_RET Fig. 5.1.2.1.-1 Example of a transformer terminal configuration with the Relay Configuration Tool 5.1.2.2. MIMIC configuration The control functions configured using the Relay Configuration Tool can be associated with position indicators that are part of the MIMIC configuration picture displayed on the graphic LCD of the HMI.
  • Page 32 RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General RET_Mimic Fig. 5.1.2.2.-1 MIMIC configuration with the Relay Mimic Editor The content of the alarm view is configured with the Relay Mimic Editor by defining the ON and OFF state texts (max. 16 characters), see Figure 5.1.2.2.-2 below. For defining the corresponding LED colors, refer to Section “Alarm LED indicators”...

  • Page 33: Lon Network Configuration

    RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General 5.1.2.3. LON network configuration The LON Network Tool is used for binding network variables between RED 500 terminals. Typically, LON is used for transferring status data between the terminals for interlocking sequences running in the units, see Figure 5.1.2.3.-1 below and Figure 5.1.13.9.-1 on page 81.

  • Page 34: Parameterization

    RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General 5.1.4. Parameterization To ensure that a protection function block protects the transformer in the desired manner, the default values of parameters are to be checked and properly set before taking the function block into use. The parameters can be set either locally over the HMI or externally via the serial communication.

  • Page 35: Storing Of Parameters And Recorded Data

    RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General 5.1.4.3. Storing of parameters and recorded data When parameter values are changed, the new values take effect immediately. However, the new parameter values as well as the recorded data are saved in a non- volatile memory only after they have been stored via the parameter “Store”...

  • Page 36: Low Auxiliary Voltage Indication

    RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General version is 18 V DC, medium version 80 V DC and high version 155 V DC. The module PS1/48 V is a low version power supply and PS1/240 V is a medium or high version.

  • Page 37: Overtemperature Indication

    RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General The indication of a low auxiliary voltage (ACFail) is available in the transformer terminal configuration environment and can be connected to any signal output of the RET 54_. The auxiliary voltage indication in the transformer terminal configuration is as follows: RET 541: PS1_4_ACFail RET 543: PS1_4_ACFail...
  • Page 38 RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General Table 5.1.6-1 Physical analog channels of the transformer terminals Measuring units Current Transformer (CT) Voltage Transformer (VT) Signal type (selectable alternatives) Current Transformer CT1 Not in use, = 1 A/5 A) I L1 , I L2 , I L3 , I L1b I L2b...

  • Page 39: Scaling The Rated Values Of The Protected Unit For Analog Channels

    RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General 5.1.6.1. Scaling the rated values of the protected unit for analog channels A separate scaling factor can be set for each analog channel. The factors enable differences between the ratings of the protected unit and those of the measuring device (CTs, VTs etc.) The setting value 1.000 means that the rated value of the protected unit is exactly the same as that of the measuring device.
  • Page 40 RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General Values to be set for a current transformer: • rated primary current (1...6000 A) of the primary current transformer • rated secondary current (5 A, 2 A, 1 A, 0.2 A) of the primary current transformer •...

  • Page 41: Calculated Analog Channels

    RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General 5.1.6.3. Calculated analog channels The RET 54_ transformer terminal includes virtual channels to obtain phase-to- phase voltages, residual voltage and neutral current. Both the amplitude and the phase angle arecalculated for the virtual channels. The virtual channel voltages and currents are numerically derived from the phase voltages and phase currents according to the Table 5.1.6.3-1.
  • Page 42 RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General The events and parameters of I/O cards are included in the event and parameter lists on the CD-ROM “Technical Descriptions of Functions” (see “Related documents” on page 9). Table 5.1.7-1 Digital inputs available for the RET 54_ RET 541 RET 543 RET 545...

  • Page 43: Filter Time Of A Digital Input

    RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General 5.1.7.1. Filter time of a digital input The filter time eliminates debounces and short disturbances on a digital input. The filter time is set for each digital input of the RET 54_ transformer terminal. The operation of input filtering is illustrated below.

  • Page 44: Pulse Counters

    RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General 5.1.7.3. Pulse counters Some specific digital inputs (refer to Section “Digital inputs” on page 42) of the RET 54_ transformer terminal can be programmed either as digital inputs or as pulse counters.

  • Page 45: Attributes Of A Digital Input For Transformer Terminal

    RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General (Oscillation level). During oscillation, the digital input is blocked (the status is invalid) and an event is generated. The state of the input will not change when it is blocked, i.e. its state depends on the condition before blocking. The digital input is regarded as non-oscillating if the number of valid state changes during 1 second is less than the set value of “Input osc.
  • Page 46 RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General Value (BI#) Depending on the state of the digital input, the digital input value is TRUE (1) or FALSE (0). The BI# value changes on the rising or falling edge of the input. To prevent undesired state changes of the digital input due to e.g.

  • Page 47: Digital Outputs

    RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General 5.1.8. Digital outputs The outputs of the RET 54_ transformer terminal are categorized as follows: HSPO High-speed power output, double-pole contact, preferred for tripping purposes and for circuit breaker and disconnector control Power output, either single-pole or double-pole contact, preferred for circuit breaker and disconnector control Signal output, either NO (Normally Open) or NO/NC (Normally Open/...

  • Page 48: High-Speed Double-Pole Power Outputs (Hspo)

    RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General 5.1.8.1. High-speed double-pole power outputs (HSPO) The high-speed power outputs PS1_4_HSPO1... PS1_4_HSPO5 and PS2_4_HSPO1...PS2_4_HSPO7 can be connected as double-pole outputs where the object to be controlled (e.g. a circuit breaker) is electrically connected between the two relay contacts, see the figure below.

  • Page 49: Single-Pole Power Outputs (Po) And A High-Speed

    RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General 5.1.8.2. Single-pole power outputs (PO) and a high-speed single-pole power output (HSPO) The single-pole power outputs BIO2_7_PO1 and BIO2_7_PO2 as well as the high- speed single-pole power output PS2_4_HSPO8 are outputs where the object to be controlled is connected in series with two heavy-duty output relay contacts, see the figure below.

  • Page 50: Signal Outputs (So)

    RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General If the power outputs BIO2_7_PO3... BIO2_7_PO6 are used as single-pole outputs, the object to be controlled (e.g. a circuit breaker) is electrically connected in series with the two relay contacts to provide sufficient current breaking capacity, see the figure below.

  • Page 51: Rtd/Analog Inputs

    RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General 5.1.9. RTD/analog inputs The RET 541 and RET 543 transformer terminals equipped with an RTD/analog module (RTD1) have eight general purpose analog inputs for DC measurement. The RTD/analog inputs are galvanically isolated from the transformer terminal power supply and enclosure.
  • Page 52 RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General Table 5.1.9.2-1 Measurement ranges Parameter Values Default Voltage range 0 = 0...1V 0...1 V 1 = 0...5 V 2 = 1...5 V 3 = 0...10 V 4 = 2...10 V 5 = -5...5 V 6 = -10...10 V Current range 0 = 0...1 mA...

  • Page 53: Transducer Supervision

    RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General 5.1.9.3. Transducer supervision The measuring signal level of each transducer is constantly supervised. If the measured signal falls more than 4% below or rises more than 4% over the specified input signal range of a particular channel, the transducer or the transducer wiring is considered to be faulty and the channel-specific invalid signal is immediately activated.
  • Page 54 RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General absolute value of the input. The linearization curves can be enabled and disabled with the Linear. curve parameters in the menu Configuration/RTD1/Input #. Parameter Values Default Linear.curve 0=Disabled Disabled 1=Enabled The curve is constructed for the transformer terminal by using the Transducer Linearization Tool (TLT) in the relay tool package CAP 505 .Figure 5.1.9.5.-1 shows an example construction.
  • Page 55 RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General TLT_example Fig. 5.1.9.5.-1 Linearization curve example When the linearization for all the necessary RTD1 channels is ready, the tool can be exited. After exiting, the tool starts to prepare a downloadable linearizing file. This file can be downloaded to the terminal by using the Relay Download Tool, also included in the CAP 505 software.

  • Page 56: Transducer Connections

    RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General 5.1.9.6. Transducer connections The RTD/analog inputs may be connected to a large variety of different measuring transducer types, both standardized and customer-specified types. Three connection screws have been reserved for each channel. Further, one connection screw (analog ground) has been reserved per every two channels.
  • Page 57 RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General Current transducers When a current transducer is connected to the RTD/analog input, the SHUNT and IN+ terminals are linked together as are the GND and IN- terminals. The incoming current signal is connected to the IN+ terminal and the outgoing current signal to the IN- terminal.
  • Page 58 RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General Resistance sensors The resistance sensors may be connected to the RTD/analog input according to either the three-wire or the two-wire connection principle. With the three-wire measuring principle, the wire resistance is automatically compensated. The resistor, or RTD sensor, is connected across the IN+ and IN- inputs, and the - side of the resistor/RTD sensor is connected to the GND input.

  • Page 59: Attributes Of An Rtd/Analog Input For Transformer

    RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General 5.1.9.7. Attributes of an RTD/analog input for transformer terminal configuration The value and the validity of the input can be issued for each RTD/analog input by the attributes AI# (REAL type) and AI#IV (BOOL type), where # denotes the number of the input.

  • Page 60: Self-Supervision

    RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General 5.1.9.9. Self-supervision Each input sample is validated before it is fed into the filter algorithm. The samples are validated by measuring an internally set reference voltage immediately after the inputs are sampled. If the measured offset voltage deviates from the set value more than 1.5% of the measuring range, the sample is discarded.

  • Page 61: 11.Rtd Temperature Vs. Resistance

    RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General 5.1.9.11. RTD temperature vs. resistance For the resistance values of temperature sensors at specified temperatures, see the table below. Nickel Copper Platinum Nickel TEMP TCR 0.00385 TCR 0.00618 0.00672 0.00427 C Pt 100 Pt 250 Pt 1000 Ni 100...

  • Page 62: Analog Outputs

    RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General 5.1.10. Analog outputs The RET541 and RET543 transformer terminals equipped with an RTD/analog module have four general purpose 0...20 mA analog current outputs. All outputs are galvanically isolated from the supply and enclosure of the transformer terminal and from each other.

  • Page 63: 3.Analog Output Configuration Example

    RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General the “Output range” parameter. The transition of the AO#IV state may also generate an event. Event generation is controlled by the “Event mask” parameter found in the menu Configuration/RTD1. The output behaviour when the value attribute is outside the defined limits is as follows: Output range Value of AO#...

  • Page 64: Trip Circuit Supervision

    RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General 5.1.11. Trip circuit supervision The trip circuit supervision inputs TCS1 and TCS2 in the RET 54_ transformer terminal consist of two functional units: • a constant-current generator including the necessary hardware elements •...
  • Page 65 RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General The following values are recommended for the resistor R in Figure 5.1.11.-1 below: Shunt resistor R Operating voltage Uc  48 V DC 1.2 k , 5 W  60 V DC 5.6 k , 5 W ...

  • Page 66: 1.Configuring The Trip Circuit Supervision Cmtcs

    RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General CBPOS_open TCS blocking TCSopen_b Fig. 5.1.11.-2 Operating principle of the trip-circuit supervision (TCS), with an external resistor. The TCS blocking switch is open, enabling trip- circuit supervision independent of circuit breaker position. The terminal numbers are related to HSPO1.

  • Page 67: 1.Fault Indication

    RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General 5.1.12.1. Fault indication The self-supervision signal output operates on the closed circuit principle. Under normal conditions the output relay is energized and the contact gap 3-5 is closed. Should the auxiliary power supply fail or an internal fault be detected, the contact gap 3-5 is opened.

  • Page 68: 3.Fault Recovery

    RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General 5.1.12.3. Fault recovery The relay will try to recover from a fault either by restarting the module (I/O module or HMI) that reported the fault, or by restarting the whole relay. During restarting the IRF state will remain active until the internal self supervision program has determined that the relay is operating normally.

  • Page 69: X3.2

    RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General The following table shows supported parallel communication protocols on the front and the rear connectors of the RET 54_ transformer terminals. Connectors/Communication parameters X3.2/Protocol 2 X3.3/Protocol 3 Front connector SPA (SMS) SPA (SMS) IEC_103 LON (SMS)

  • Page 70: 5.Profibus-Dpv1 Communication By Using Spa-Zc 302 On The Rear Connector X3.2

    Front panel optical RS-232 connection for a PC The optical connector on the front panel isolates the PC galvanically from the transformer terminal. The front connector for the PC is standardized for ABB relay products and requires a specific opto-cable (ABB art. No 1MKC950001-1). The cable is connected to the serial RS-232 port of the PC.
  • Page 71 RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General connector inhibits the rear X3.3 SPA communication and the transparent SPA communication on the LON protocol and remains inhibited for one minute after the SPA communication has stopped. It is possible to release this blocking situation by writing the value 1 to the V202 variable. Adjustable LON serial communication parameters are Subnet number, Node number and Bit rate.
  • Page 72 RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General IEC_103 Adjustable IEC_103 serial communication parameters are shown in the table below. Parameter Value Default Explanation Unit address 1...254 IEC_103 station address Baud rate 9600, 19200 9600 Communication speed Function type 0...255 Unit function type 160 or 176...
  • Page 73 RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General Default variation of 1...3 binary input change event object Default variation of 1...2 binary output object Default variation of 1...2 counter object Default variation of 1...2 counter event object Default variation of 1...2 analog input object Default variation of...
  • Page 74 RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General Parity 0...2 [0=None; 1=Odd; 2=Even] Silent interval 10...65535 [ms] Collision detection Time slot width 10...65535 [ms] Collision detection Number of time slots 1...255 Collision detection Collision detection 0...1 Collision detection enabled [0=Disabled;...

  • Page 75: 9.Parallel Communication Support

    RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General Protocol mapping Number of entries not in use diagnostic parameter Protocol mapping Number of entries with invalid, diagnostic parameter uncorrectable contents (INV) Protocol mapping Number of entries with corrected diagnostic parameter contents (COR) Protocol mapping Number of entries referring to...

  • Page 76: 10.System Structure

    SPA bus). Generator or motor transformers are protected and controlled with RET 54_ transformer terminals. LON devices made by other manufacturers or other ABB companies may be used for various DI, AI and DO functions. MicroSCADA is used for remote control.
  • Page 77 RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General Other supported system configurations are represented in the following figures. A LON bus and a parallel “SMS” bus connected as a SPA loop using the interface module RER 123 on connector X3.2, allows to implement the redundant SMS workstation.
  • Page 78 RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General IEC 103 Master RS232C Fiber optic modem SPA-ZC 22 SPA-ZC 22 RER 125 RER 123 RER 123 RER 123 RER 103 RER 103 RER 103 REF 54_ or RET 54_ relays RE_ 54_: RER 123 connected to X3.2 RER 103 connected to X3.3...
  • Page 79 RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General to NCC Modem SMS 510 DNP master RS232C RS232 / Isolated RS485 converter. Two or four wire connection. RER 133 RER 133 RER 133 RER 103 RER 103 REF 54_ or RET 54_ CAP 505 RE_ 54_: LON for e.g NV bindings, parameters, configuration...
  • Page 80 RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General to NCC Modem SMS 510 Modbus master RS232C RS232 / Isolated RS485 converter. Two or four wire connection. Modbus RER 133 RER 133 REX 52x REX 52x RER 103 RER 103 REX 521 REF 54_ or RET 54_ CAP 501...

  • Page 81: 11.Lon Inputs And Outputs Via A Lon Bus

    RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General to NCC Modem SMS 510 Modbus master RS232C RS232C SPA-ZC 22 SPA-ZC 22 RS232 / Isolated RS485 converter. Two or four wire connection. Modbus RER 133 RER 133 RER 133 REX 52x REX 52x REX 521 RER 103...
  • Page 82 RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General lonlog_b Fig. 5.1.13.11.-1Principle of connecting LON inputs and outputs to logic functions of the transformer terminal Each SNVT_state network variable can be used to communicate either an integer value in the range of 0-65535 or up to 16 Boolean values as a binary coded number. The type conversion function BOOL2INT is useful for packing and INT2BOOL for unpacking the binary coded variables.

  • Page 83: 12.Secured Object Control

    RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General Communication inputs acts as holding registers, they preserve the last received value until next update is received. When a relay has been started, initially all inputs will be zero and all invalidity flags will be TRUE. If an input is bound, the first network variable update received will update the input and the corresponding invalidity flag will be set to FALSE.
  • Page 84 RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General Normally the time-out parameter of the client must always be adjusted in accordance with the IED command time-out parameter (longer time-out on the client side). At all times there shall be only one communication port from which secured object control is possible.

  • Page 85: Time Synchronization

    RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General 5.1.14. Time synchronization The internal clock of the RET54_ relay unit can be set from different sources: 1. The time can always be given manually from the front panel (Configuration\General\Date, Configuration\General\Time). 2.
  • Page 86 RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General • eight freely programmable alarm LEDs with different colors and modes according to the configuration (off, green, yellow, red, steady, blinking) • LED indicator for control test and interlocking • three protection LED indicators •...

  • Page 87: Alarm Led Indicators

    RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General menupict_RET Fig. 5.1.15.-2 Menu level structure For more detailed information about the HMI, refer to the RE_ 54_ Operator’s Manual (see“Related documents” on page 9). 5.1.16. Alarm LED indicators The RET 54_ transformer terminal offers eight alarm LED indicators to be configured with the Relay Mimic Editor.

  • Page 88: 1.Non-Latched Alarm

    RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General The alarm channels are seen as function blocks in the transformer terminal configuration: Alarm channel Function block Alarm channel 1 MMIALARM1 Alarm channel 2 MMIALARM2 Alarm channel 3 MMIALARM3 Alarm channel 4 MMIALARM4 Alarm channel 5 MMIALARM5...

  • Page 89: 3.Latched Alarm, Blinking Leds

    RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General Alarind3_b Fig. 5.1.16.2.-1 Example of a latched alarm with steady LED 5.1.16.3. Latched alarm, blinking LEDs Latched, blinking alarms can be acknowledged after the rising edge of the ON signal. The time stamp of the first alarm is recorded. If the ON signal is inactive, acknowledgement clears the time stamp line of the alarm view and the corresponding alarm LED.
  • Page 90 RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General General control test mode The system provides a general interlocking bypass mode (Main menu/ Control/Interl bypass) that overrides all interlocking signals. Activation of the interlocking bypass mode activates the interlocking enable signals of all control objects.

  • Page 91: Design Description

    RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General 5.2. Design description 5.2.1. Technical data Table 5.2.1-1 Energizing inputs Rated frequency 50.0/60.0 Hz Current inputs rated current 0.2 A/1 A/5 A thermal withstand continuously 1.5 A/4 A/20 A capability for 1 s 20 A/100 A/500 A dynamic current withstand, half-wave 50 A/250 A/1250 A...
  • Page 92 RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General Table 5.2.1-4 RTD/analog inputs Supported RTD sensors 100 Platinum TCR 0.00385 (DIN 43760) 250 Platinum TCR 0.00385 1000  Platinum TCR 0.00385 100 Nickel TCR 0.00618 (DIN 43760) 120  Nickel TCR 0.00618 250 Nickel TCR 0.00618...
  • Page 93 RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General Table 5.2.1-8 Environmental conditions Specified service temperature range -10…+55C Transport and storage temperature range -40…+70C Enclosure class front side, flush-mounted IP 54 rear side, connection terminals IP 20 Dry heat test according to IEC 60068-2-2 Dry cold test according to IEC 60068-2-1...
  • Page 94 RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General Table 5.2.1-11 Data communication Rear interface, connector X3.1 not used, reserved for future purposes Rear interface, connector X3.2 RS-232 connection the fibre-optic interface module RER 123 for SPA and IEC_103 protocol SPA, IEC_103 the RS-485 interface module RER 133 for DNP 3.0 and Modbus protocol...
  • Page 95 RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General Table 5.2.1-12 General Event recording all events are recorded in higher level syntax: reason, time, date the last 100 events are recorded Data recording records operate values Protection functions see Technical Descriptions of Functions, CD-ROM Control functions (1MRS 750889-MCD) Condition monitoring functions...

  • Page 96: Terminal Diagram Of Ret 541

    RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General 5.2.2. Terminal diagram of RET 541 CD_541...

  • Page 97: Terminal Diagram Of Ret 543

    RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General 5.2.3. Terminal diagram of RET 543 CD_543...

  • Page 98: Terminal Diagram Of Ret 545

    RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General 5.2.4. Terminal diagram of RET 545 CD_545_b...

  • Page 99: Terminal Diagram Of The Rtd/Analog Module

    RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General 5.2.5. Terminal diagram of the RTD/analog module Terminal diagrams for the RET 541 and RET 543 transformer terminals provided with an RTD/analog module are similar to the diagrams presented in sections “Terminal diagram of RET 541”...
  • Page 100 RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General The serial interface RS-485 on the rear panel (connector X3.3) is used for connecting the transformer terminal to the SPA bus or the LON bus. The SPA/LON bus is connected via the connection module type RER 103 (ordering number: RER103-xx) fitted to the 9-pin D-type subminiature connector and screwed to the rear panel.
  • Page 101 RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General RET541Rs_a Fig. 5.2.6.-1 Rear views of RET 541 (right: with RTD/analog module) RET543Rs_a Fig. 5.2.6.-2 Rear views of RET 543 (right: with RTD/analog module)
  • Page 102 RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General RET543Re_a ExtMMI_b Fig. 5.2.6.-3 Rear view of RET 543 with an external display module and the external display module RET545Rs_a Fig. 5.2.6.-4 Rear view of RET 545...

  • Page 103: Service

    RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General Service When the transformer terminal is used under the conditions specified in section “Technical data”, it is practically maintenance-free. The transformer terminal electronics include no parts or components subject to abnormal physical or electrical wear under normal operating conditions.

  • Page 104: Ordering Information

    RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General Ordering Information 7.1. Order number The following is to be specified when ordering RET 54_ transformer terminals: • Order number (see Figure 7.1.-1 below) • Display language combination (e.g. English-German) • Quantity of transformer terminals Each RET 54_ transformer terminal has a specific order number that identifies the transformer terminal type as well as the hardware and the software as described in Figure 7.1.-1 below.

  • Page 105: Hardware Versions Of Ret 541, Ret 543 And Ret 545

    RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General The display language combination (see table below) is identified by a three-digit suffix in the software number printed on the front panel of the transformer terminal, e.g. Software No: 1MRS110031-0__. Suffix Language combination English - German English - Swedish...

  • Page 106: Revision History Of Ret 54

    RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General Revision History of RET 54_ 8.1. Revision identification The main releases of the RET 54_ products are differentiated with the software revision letter in the order number of the transformer terminal and the corresponding software number, both of which are printed on the marking strip on the front panel of the transformer terminal, for example as follows: Order No: RET543AC240AAAA...

  • Page 107: Abbreviations

    Power Output Power Supply Resistance Temperature Device SNVT Standard Network Variable Type Signal Output Substation Monitoring System Data communication protocol developed by ABB SPACOM An ABB product family Thermal Coefficient of Resistance Trip Circuit Supervision Transformer Linearization Tool Voltage Transformer...

  • Page 108: Appendix A: The Iec 60870-5-103 Bus

    RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General Appendix A: The IEC 60870-5-103 bus IEC 103 Master RS232C Fiber optic modem SPA-ZC 22 SPA-ZC 22 RER 125 RER 123 RER 123 RER 123 RER 103 RER 103 RER 103 REF 54_ or RET 54_ relays RE_ 54_: RER 123 connected to X3.2...

  • Page 109: Iec_103 Parameters

    RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General 10.2. IEC_103 parameters Adjustable IEC_103 serial communication parameters are shown in the table below. Parameter Value Default value Explanation Unit address 1...254 IEC_103 station address Baud rate 9600, 19200 9600 Communication speed Function type 0...255 Unit function type...

  • Page 110: Class 2 Data

    RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General 10.5. Class 2 data The measurement (analog) values are transported to the control system as a response to a class 2 request command. The class 2 data is always cyclically updated (COT=2).
  • Page 111 RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General Table 10.6.-1 Class 1 data signals Function block Event Ftyp GI Typ COT name Protection functions DEF2HIGH START signal from Io>> -> DEF2HIGH TRIP signal from Io>> -> DEF2HIGH CBFP signal from Io>> -> DEF2INST START signal from Io>>>...
  • Page 112 RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General Table 10.6.-1 Class 1 data signals Function block Event Ftyp GI Typ COT name NEF1INST CBFP signal from Io>>> stage NEF1LOW START signal from Io> stage NEF1LOW TRIP signal from Io> stage NEF1LOW CBFP signal from Io>...
  • Page 113 RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General Table 10.6.-1 Class 1 data signals Function block Event Ftyp GI Typ COT name REF4B CBFP signal of REF4B ROV1HIGH START signal from Uo>> stage ROV1HIGH TRIP signal from Uo>> stage ROV1INST START signal from Uo>>>...
  • Page 114 RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General Table 10.6.-1 Class 1 data signals Function block Event Ftyp GI Typ COT name COCB2 Breaker 2 close output COCB2 Breaker 2 opening time COCB2 Breaker 2 closing time COCB2 Breaker 2 command status COCBDIR Breaker open command CODC1...
  • Page 115 RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General Table 10.6.-1 Class 1 data signals Function block Event Ftyp GI Typ COT name COLTC Paralleling failure COLTC Tap changer alarm COLTC Tap changer position value (float) COSW1 On/off object 1 position COSW2 On/off object 2 position COSW3...
  • Page 116 RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General Table 10.6.-1 Class 1 data signals Function block Event Ftyp GI Typ COT name EVENT230 Customer event 30-31 EVENT230 Customer event 32-33 EVENT230 Customer event 34-35 EVENT230 Customer event 36-37 EVENT230 Customer event 38-39 EVENT230 Customer event 40-41...
  • Page 117 RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General Table 10.6.-1 Class 1 data signals Function block Event Ftyp GI Typ COT name MEAI8 Low alarm MEDREC16 Recorder memory is full MEDREC16 Recorder triggered General functions CH000 IRF error CH001 Test mode Recent control position CH002...

  • Page 118: Class 2 Measurand Sets

    RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General 10.7. Class 2 measurand sets Explanations to the Table 9.7.-1: Class 2 measurand set No (1...11). Measurand set can be selected by SetNo setting the parameter “Measurement frame type”. According to the IEC 60870-5-103 standard Private definition Class 2 Frame identification FuncType/...
  • Page 119 RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General RTD data nominal values Nominal values are according to the RTD input signal type and the range parameters mentioned in the Technical Reference Manual rounded to the nearest integer (e.g. 2.5 = 3). If linearization curve is used for RTD input, the nominal value of this channel is the absolute maximum value for this curve.
  • Page 120 RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General TypeId VSQ = Num of data Cause of transmission Unit address Function type Information number Data1 Data2 Data3 Data4 Data5 Fig. 10.7.-1 Example on ASDU octets...

  • Page 121: Index

    RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General Index Alarm indication 87 Alarm modes 31 Alarm texts 31 Analog channels 37 Analog interface 11, 12, 13, 14, 15, 16, 17, 18, 19 Analog outputs 11, 12, 13, 14, 15, 16, 17, 18, 19, 62, 92 Attributes of a digital input 45 Auxiliary power 35, 36 Communication 27, 70...
  • Page 122 RET 54_ Transformer Terminal 1MRS755225 Technical Reference Manual, General Inversion of a digital input 43 IRF 66 IRF output 11, 12, 13, 14, 15, 16, 17, 18, 19, 67 Latched alarm 88 LED 31, 87 Logic functions 28 LON network configuration 23, 33 LON Network Tool 33 Matching transformer 37 Measurement functions 25...
  • Page 123 RET 54_ 1MRS755225 Transformer Terminal Technical Reference Manual, General Scaling factors 39 Self-supervision (IRF) 66, 67 Serial communication 68 Service 103 Signal output (SO) 11, 12, 13, 14, 15, 16, 17, 18, 19, 50 Single-pole power output 11, 12, 13, 14, 15, 16, 17, 18, 19, 49 Software 105 Standard functions 28 Storing of parameters 35...
  • Page 124 ABB Oy Distribution Automation P.O. Box 699 FI-65101 Vaasa FINLAND Tel. +358 10 22 11 Fax. +358 10 224 1094 www.abb.com/substationautomation...

This manual is also suitable for:

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