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ABB REU 513 User Manual
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ABB REU 513 User Manual

ABB REU 513 User Manual

Combined overvoltaqge and undervoltage relay
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1MRS750886-MUM
Issued:
07.06.99
Version:
A/07.06.99
Checked: H.S.
Approved: S-M.H.
ABB Substation Automation Products and Systems
Data subject to change without prior notice
Combined Overvoltage and
Undervoltage Relay
REU 513
User's Guide

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Summary of Contents for ABB REU 513

  • Page 1 1MRS750886-MUM REU 513 Issued: 07.06.99 Combined Overvoltage and Version: A/07.06.99 Undervoltage Relay Checked: H.S. Approved: S-M.H. User’s Guide Data subject to change without prior notice ABB Substation Automation Products and Systems...

  • Page 3: Table Of Contents

    ABB Substation Automation User’s Guide REU 513 Products and Systems Contents Introduction .................5 Safety information ...............7 Operator’s instructions ..............8 1. Operation indicators ..............8 2. Control push-button ..............10 Technical reference manual ............11 1. Instructions ................11 1.1. Application ................11 1.2. Requirements ..............12 1.3.
  • Page 4 REU 513 User’s Guide ABB Substation Automation Products and Systems 2.1.5.6. Event code ............35 2.1.6. Recorded data ............36 2.1.7. Serial communication ..........37 2.1.7.1. Communication ports .......... 37 2.1.7.2. Event codes ............37 2.1.7.3. Remote transfer data .......... 40 2.1.7.4.

  • Page 5: Introduction

    The purpose of this manual is to provide the user with thorough information on the relay REU 513 and its applications. The manual consists of three parts, the first of which, part A, instructs the user in controlling the relay functions. Part B is a more detailed description of the features, operation and applications of the relay, whereas part C concentrates on service.
  • Page 6 • Continuous self-supervision of hardware and software. At a permanent fault all stages and outputs are blocked. • Rated frequency user-selectable 50/60 Hz • Nominal voltage user-selectable 100/110/115/120 V Guarantee Please inquire the guarantee of your nearest ABB representative. 1MRS750886-MUM...

  • Page 7: Safety Information

    ABB Substation Automation User’s Guide REU 513 Products and Systems Safety information Dangerous voltages can occur on the connectors, even though the auxiliary voltage is disconnected. National and local electrical safety regulations must always be followed. The frame of the protection relay has to be carefully earthed.

  • Page 8: Operator's Instructions

    REU 513 User’s Guide ABB Substation Automation Products and Systems Operator’s instructions Operation indicators The function of the relay can be monitored with the help of three indication LEDs on the relay front panel. Network Partner REU 513 READY START...
  • Page 9 ABB Substation Automation User’s Guide REU 513 Products and Systems Yellow START indicator • Indicator off: Normal operation mode. No protection function has started. • Lit indicator: A protection function has started. The start indication can be selected to be latching or non-latching with switches SGF3/1, 3, 5 and 7.

  • Page 10: Control Push-Button

    REU 513 User’s Guide ABB Substation Automation Products and Systems Control push-button The front panel of the relay contains one push-button for clearing operation indicators and unlatching relays. Operation indicators must be cleared and the [C] button released before the relays can be unlatched. The table below describes the use of the push-button.

  • Page 11: Technical Reference Manual

    Instructions 1.1. Application The overvoltage and undervoltage relay REU 513 is a secondary relay that is connected to the voltage transformers of an object to be protected. It is designed for overvoltage and undervoltage protection and supervision in distribution substations.

  • Page 12: Requirements

    REU 513 User’s Guide ABB Substation Automation Products and Systems 1.2. Requirements When the protection relay is operating under conditions specified below (see also “Technical data”), the relay is practically maintenance-free. The relay includes no parts or components subject to abnormal physical or electrical wear under normal operating conditions.

  • Page 13: Technical Description

    ABB Substation Automation User’s Guide REU 513 Products and Systems Technical description 2.1. Functional description 2.1.1. Product functions 2.1.1.1. Schema of product functions DEFINITE- OR INVERSE-TIME OVERVOLTAGE PROTECTION, LOW-SET STAGE DEFINITE- OR INVERSE-TIME OVERVOLTAGE PROTECTION, HIGH-SET STAGE DEFINITE- OR INVERSE-TIME...

  • Page 14: Inputs

    REU 513 User’s Guide ABB Substation Automation Products and Systems 2.1.1.3. Inputs The relay includes three energizing inputs and one external binary input controlled by an external voltage. The function of the binary input is determined with selector switches of the protection relay.
  • Page 15 ABB Substation Automation User’s Guide REU 513 Products and Systems Table 2: Fault codes Fault Type of fault code No response on output contact test, PO1 No response on output contact test, PO2 No response on output contact test, SO1...

  • Page 16: Configuration

    REU 513 User’s Guide ABB Substation Automation Products and Systems 2.1.2. Configuration The figure below illustrates how the start, trip and binary input signals can be configured so that the required protection functions are obtained. X2.1 17 18 13 14 15...

  • Page 17: Protection

    SGB1/3 RESET INDICATORS, LATCHED OUTPUT RELAYS AND REGISTERS Fig. 2.1.3.1.-1 Block diagram of the combined overvoltage and undervoltage relay REU 513 2.1.3.2. Overvoltage unit When one or several of the measured voltages exceed the set start value of the low- set stage U>...

  • Page 18: Undervoltage Unit

    REU 513 User’s Guide ABB Substation Automation Products and Systems The low-set and high-set stages of the overvoltage unit may be given a definite-time or an inverse definite minimum time (IDMT) characteristic. When the IDMT characteristic is chosen, two time/current curve groups called A and B are available.

  • Page 19: Positive-Phase-Sequence Protection

    ABB Substation Automation User’s Guide REU 513 Products and Systems U/Un U< U<< 0.2 Un U< t< t< U<< t<< t<< Fig. 2.1.3.3.-1 Operation of the undervoltage unit when the function of the high- set and low-set undervoltage stages is internally blocked in case the voltage falls below 0.2 x U...

  • Page 20: Time/Voltage Characteristics

    REU 513 User’s Guide ABB Substation Automation Products and Systems The voltage relay measuring the positive-phase-sequence voltage complements other methods, based on frequency relay and overcurrent relay, for disconnecting a smaller power plant. The positive-phase-sequence function can also be used instead of the conventional high-set three-phase undervoltage protection based on phase-to-phase voltages.
  • Page 21 ABB Substation Automation User’s Guide REU 513 Products and Systems Characteristic for undervoltage stages The IDMT characteristic curve group C is designed for undervoltage stages U< and U<<. The stages U< and U<< can be configured to use different characteristics. The...
  • Page 22 REU 513 User’s Guide ABB Substation Automation Products and Systems 1000 k>, k>> 0,05 0,01 U/U>, U/U>> Fig. 2.1.3.5.-1 Type A characteristics 1000 k>, k>> 0,05 0,01 U/U>, U/U>> Fig. 2.1.3.5.-2 Type B characteristics 1MRS750886-MUM...

  • Page 23: Settings

    ABB Substation Automation User’s Guide REU 513 Products and Systems 1000 k<, k<< 0,01 U/U<, U/U<< Fig. 2.1.3.5.-3 Type C characteristics 2.1.3.6. Settings Two alternative setting groups, 1 and 2, are availabe for the relay. Either of these setting groups can be used as the actual settings, one group at a time. Both the groups have their related registers.
  • Page 24 REU 513 User’s Guide ABB Substation Automation Products and Systems Table 4: Setting values Default Setting Description Setting range setting U>/Un Start voltage of stage U> as a multiple of the rated voltage of the energizing input. • definite and inverse time 0.60...1.40 x U...
  • Page 25 ABB Substation Automation User’s Guide REU 513 Products and Systems Selector switchgroups SGF, SGB and SGR Part of the settings and the selections of the operation characteristics of the relay in various applications is made with selector switchgroups SG_. The switchgroups are software based and thus not physical switches to be found in the hardware of the relay.
  • Page 26 REU 513 User’s Guide ABB Substation Automation Products and Systems SGF1...SGF4 Switchgroups SGF1...SGF4 are used for configuring the desired functions as follows. Table 5: SGF1 Default Switch Function setting SGF1/1 Selection of the latching feature for output PO1. SGF1/2 Selection of the latching feature for output PO2.
  • Page 27 ABB Substation Automation User’s Guide REU 513 Products and Systems Table 6: SGF2 Default Switch Function setting SGF2/1 Single- or three-phase operation. • 0 = three-phase operation • 1 = single-phase operation In single-phase use, the measured voltage has to be connected to inputs X1.1/1 and X1.1/3 for proper function, and the start...
  • Page 28 REU 513 User’s Guide ABB Substation Automation Products and Systems Table 7: SGF3 Default Switch Function setting SGF3/1 The operation mode for the start indicator of stage U>. • 0 = The start indicator automatically resets once the fault disappears.
  • Page 29 ABB Substation Automation User’s Guide REU 513 Products and Systems Table 8: SGF4 SGF4/1 SGF4/2 SGF4/3 SGF4/4 SGF4/5 SGF4/6 SGF4/7 SGF4/8 Operation Definite time U> A Curve U> B Curve U>> A Curve U>> B Curve U< C Curve U<< C Curve...
  • Page 30 REU 513 User’s Guide ABB Substation Automation Products and Systems SGB1 Table 9: SGB1 Resetting / blocking with BI Default Switch Function setting SGB1/1 • 0 = Indicators are not reset by the binary input signal. • 1 = Indicators are reset by the binary input signal.
  • Page 31 ABB Substation Automation User’s Guide REU 513 Products and Systems SGR1...SGR8 The start and operate signals of the protection stages are connected to the output contacts with switches of switchgroups SGR1...SGR8. The matrix below can be used for help in making the desired selections. The start and operate signals of the different protection stages are combined with the output contacts by encircling the desired intersection point.

  • Page 32: Technical Data Of Protection Functions

    REU 513 User’s Guide ABB Substation Automation Products and Systems 2.1.3.7. Technical data of protection functions Table 11: Stages U> and U>> Feature Stage U> Stage U>> Start voltage and ∞ • at definite-time and inverse- 0.60...1.40 x U 0.80...1.60 x U...

  • Page 33: Monitoring

    ABB Substation Automation User’s Guide REU 513 Products and Systems Table 12: Stages U< and U<< Feature Stage U< Stage U<< Start voltage and ∞ • at definite-time and inverse- 0.30...1.20 x U 0.30...1.20 x U time characteristics Start time, typical...

  • Page 34: Disturbance Recorder

    REU 513 User’s Guide ABB Substation Automation Products and Systems 2.1.5. Disturbance recorder 2.1.5.1. Function The relay features an integrated disturbance recorder for recording monitored quantities. The recorder captures continuously curve forms of the voltages as well as the external binary input signal and states of the internal protection stages, and stores these to the volatile memory.

  • Page 35: Settings And Unloading

    ABB Substation Automation User’s Guide REU 513 Products and Systems Correspondingly, triggering on the falling edge means that the recording sequence starts when the active signal resets. Serial parameters V241...V244 define the triggering conditions and parameter V246 is for manual triggering. When the recorder has been triggered and a recording stored into the memory, the value of parameter V246 changes from 0 to 1.

  • Page 36: Recorded Data

    REU 513 User’s Guide ABB Substation Automation Products and Systems 2.1.6. Recorded data When one of the overvoltage stages starts, recording of the highest measured voltage value as well as the start duration, measured as a percentage of the set operate time, begins.

  • Page 37: Serial Communication

    The front connector 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-232C port of the PC and it is powered by RS-232C control signals.
  • Page 38 REU 513 User’s Guide ABB Substation Automation Products and Systems Table 14: Event masks Event mask Code Setting range Default setting V155 E1...E8 0...255 V156 E9...E16 0...255 V157 E17...E24 0...255 V158 0 or 1 Table 15: Event codes E1…E8 Code...
  • Page 39 ABB Substation Automation User’s Guide REU 513 Products and Systems Table 17: Event codes E17…E24 Code Event Weighting factor Default value PO1 activated PO1 reset PO2 activated PO2 reset SO1 activated SO1 reset SO2 activated SO2 reset Default value of event mask V157...

  • Page 40: Remote Transfer Data

    REU 513 User’s Guide ABB Substation Automation Products and Systems 2.1.7.3. Remote transfer data In some cases, altering parameter values via serial communication requires the use of the SPA password. The password is a number within the range 1...999. The default value for the SPA password is 1.
  • Page 41 ABB Substation Automation User’s Guide REU 513 Products and Systems Table 20: Settings Actual Group 1 Group 2 Variable settings Setting range (R, W, P) (R, W, P) Start voltage of stage U< 0.30...1.20 x U Operate time of stage U<...
  • Page 42 REU 513 User’s Guide ABB Substation Automation Products and Systems Recorded data Parameter V1 indicates the highest and parameter V2 the lowest voltage value measured as multiples of the rated voltage U since the last reset. Parameter V3 shows the average voltage value during one minute’s time, updated once a minute.
  • Page 43 ABB Substation Automation User’s Guide REU 513 Products and Systems The last five recorded values can be read with parameters V11...V100. Event n denotes the latest recorded value, n-1 the next one, and so forth. Table 22: Recorded data Recorded data...
  • Page 44 REU 513 User’s Guide ABB Substation Automation Products and Systems Disturbance recorder Table 23: M parameters for disturbance recorder Description Parameter Value/Note Analogue channels in use 7 (=00000111B) Digital channels in use 255 (=11111111B) Sampling rate 800 or 960 Hz Station identification/ unit 0…9999...
  • Page 45 ABB Substation Automation User’s Guide REU 513 Products and Systems Table 25: Disturbance recorder internal triggering Default value of Default value of Weighting Event triggering mask, triggering edge, factor V241 V242 Starting of stage U> Tripping of stage U> Starting of stage U>>...
  • Page 46 REU 513 User’s Guide ABB Substation Automation Products and Systems Control parameters Table 27: Control parameters Para- Description Value meter Resetting of output contacts with V101 1=reset the latching feature Resetting of registers and output V102 1=reset contacts with the latching feature...
  • Page 47 ABB Substation Automation User’s Guide REU 513 Products and Systems Table 27: Control parameters Para- Description Value meter Software number V234 1MRS118017 Software revision V235 A...Z Date reading and setting V250 R, W YY-MM-DD (RED 500 format) Time reading and setting...
  • Page 48 REU 513 User’s Guide ABB Substation Automation Products and Systems Input and output signals The measured voltages and the status of the binary input signal can be read (R) with parameters I1...I4. When the value of parameter I4 is 1, the binary input is energized.

  • Page 49: Relay Parameterization

    ABB Substation Automation User’s Guide REU 513 Products and Systems Table 30: Outputs State of output Recorded Operation of output contacts Value (R,W,P) functions (R) Output PO1 0 or 1 Output PO2 0 or 1 Output SO1 0 or 1...
  • Page 50 REU 513 User’s Guide ABB Substation Automation Products and Systems Output contacts SO1 and SO2 can be used for signalling on operation of the relay. The signals to be routed to the output contacts SO1 and SO2 are selected with switches 3 and 4 of switchgroups SGR1...SGR8.
  • Page 51 ABB Substation Automation User’s Guide REU 513 Products and Systems Table 32: Auxiliary supply voltage Terminal Function X2.1-1 Input+ X2.1-2 Input- Table 33: Output contacts Terminal Function X2.1-3 PO1, closing contact X2.1-4 X2.1-5 PO2, closing contact X2.1-6 X2.1-7 SO1, common X2.1-8...

  • Page 52: Technical Data

    REU 513 User’s Guide ABB Substation Automation Products and Systems 2.2.2. Technical data Table 36: Dimensions • Width 111.4 mm • Height, frame 265.9 mm (6U), box 255.8 mm • Depth 235 mm (245.1 mm with a protective rear cover, available as an option) •...
  • Page 53 ABB Substation Automation User’s Guide REU 513 Products and Systems Table 39: Measuring range Measured voltages on phases U and U as multiples 0…2 x U of the rated voltages of the energizing inputs ±5 Hz) at 0.20...2.00 x U ±1.5 %...
  • Page 54 REU 513 User’s Guide ABB Substation Automation Products and Systems Table 43: Enclosure class • Front side IP 54 (flush-mounted) • Rear side, connection terminals IP20 Note! A rear protective cover (accessory part) can be used to protect and shield the rear of the case.
  • Page 55 ABB Substation Automation User’s Guide REU 513 Products and Systems Table 45: Electromagnetic compatibility tests Fast transient disturbance tests According to IEC 60255-22-4 and IEC 61000-4-4 • ac/dc ports 4 kV • Binary input 2 kV Surge immunity test According to IEC 61000-4-5 •...
  • Page 56 REU 513 User’s Guide ABB Substation Automation Products and Systems Table 46: Standard tests Insulation tests Dielectric tests According to IEC 60255-5 • Test voltage 2 kV, 50 Hz, 1 min Impulse voltage test According to IEC 60255-5 5 kV, unipolar impulses, waveform 1.2/50 µs, •...

  • Page 57: Check Lists

    ABB Substation Automation User’s Guide REU 513 Products and Systems Check lists Table 48: Setting group 1 Group 1 Customer’s Variable Setting range Default setting (R, W, P) setting Start voltage of stage U> 0.60...1.40 x U 1.20 x U Operate time of stage U>...
  • Page 58 REU 513 User’s Guide ABB Substation Automation Products and Systems Table 49: Setting group 2 Group 2 Customer’s Variable Setting range Default setting (R, W, P) setting Start voltage of stage U> 0.60...1.40 x U 1.20 x U Operate time of stage U>...
  • Page 59 ABB Substation Automation User’s Guide REU 513 Products and Systems Table 50: Control parameters Customer’s Variable Parameter Setting range Default setting setting Rated frequency V133 50 / 60 Hz Rated Voltage V134 100, 110, 115, 120 V Remote control of settings...

  • Page 60: Service

    Please contact the manufacturer or the nearest representative for further information about checking, overhaul and recalibration of the relay. When contacting ABB for ordering service, please give a description of the fault and state the possible fault code. Note! Static protection relays are measuring instruments that should be handled with care and protected against moisture and mechanical stress, especially during transport.

  • Page 61: Secondary Testing

    ABB Substation Automation User’s Guide REU 513 Products and Systems Secondary testing According to the manufacturer’s recommendations the relay should be submitted to secondary testing at five years’ intervals to ensure proper operation. Testing should always be performed in accordance with national regulations and instructions.

  • Page 62: Testing Of The Matching Transformers

    RESET TestU513 Fig. 2.0.-1 Secondary injection test circuitry for the voltage relay REU 513 When the test circuit has been completed and the switchgroups set, the auxiliary voltage may be connected to the relay. The operation of the test circuit can be verified with the aid of a multimeter.

  • Page 63: Low-Set Stage U

    ABB Substation Automation User’s Guide REU 513 Products and Systems 2.2.1. Low-set stage U> Starting • Close switch S1 and slowly increase the test voltage until the relay starts and the indicator L3 is lit. • Read the start voltage value from the voltmeter.

  • Page 64: Testing Of The Undervoltage Stages

    REU 513 User’s Guide ABB Substation Automation Products and Systems Inverse-time characteristic At inverse-time characteristic, the operate time is measured at two different test voltage values (1.1 x U>> and 1.4 x U>>). The operate times thus obtained are compared with the operate times obtained from the voltage/time curves of the concerned inverse-time characteristic.

  • Page 65: High-Set Stage U

    ABB Substation Automation User’s Guide REU 513 Products and Systems compared with the operate times obtained from the voltage/time curve. Before the test, make sure that the switch SGF2/4=1 to block the stage U< when S1 is switched off. • Set the test voltage at one of the two defined test voltages.

  • Page 66: Spare Parts

    Products and Systems Spare parts To achieve the best possible operation accuracy, all parts of REU 513 have been calibrated together. Thus, each product forms a whole for which no separate spare parts can be supplied. In case of malfunction, please consult your relay supplier.

  • Page 67: Ordering Information

    ABB Substation Automation User’s Guide REU 513 Products and Systems Ordering information Order number REU513A 405-BAA Protective cover for rear connectors 1MRS060132 Flush mounting kit 1MRS050209 Semi-flush mounting kit 1MRS050253 Wall mounting kit 1MRS050240 Side-by-side mounting kit 1MRS050241 19” Rack mounting kit...

  • Page 68: References

    REU 513 User’s Guide ABB Substation Automation Products and Systems References Installation Manual 1MRS750526-MUM 1MRS750886-MUM...

  • Page 69: Index/Glossary

    ABB Substation Automation User’s Guide REU 513 Products and Systems Index/Glossary Auxiliary voltage ................52, 56 CBFP .................. 5, 14, 24, 26, 70 Characteristic for undervoltage stages ............21 Characteristics for overvoltage stages ............20 Checksum calculation ................25 Control parameters ................46, 59 Fault code ....................
  • Page 70 REU 513 User’s Guide ABB Substation Automation Products and Systems Abbreviations • BI Binary input • CBFP Circuit-breaker failure protection • CPU Central processing unit • IDMT Inverse definite minimum time characteristic • IRF Internal relay fault • LED Light-emitting diode •...
  • Page 72 ABB Substation Automation Oy P.O. Box 699 FIN-65101 VAASA Finland Tel. +358 10 224 000 Fax. +358 10 224 1094 www.abb.fi...

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