ABB REU 513 User Manual Download

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ABB Substation Automation Products and Systems

1MRS750886-MUM

Issued: 07.06.99
Version: A/07.06.99
Checked: H.S.
Approved: S-M.H.

REU 513

Combined Overvoltage and

Undervoltage Relay

User’s Guide

Data subject to change without prior notice

Summary of Contents for REU 513

Page 1: ...Automation Products and Systems 1MRS750886 MUM Issued 07 06 99 Version A 07 06 99 Checked H S Approved S M H REU 513 Combined Overvoltage and Undervoltage Relay User s Guide Data subject to change without prior notice ...

Page 2: ...e ...

Page 3: ...oltage and positive phase sequence 13 2 1 1 3 Inputs 14 2 1 1 4 Outputs 14 2 1 1 5 Circuit breaker failure protection 14 2 1 1 6 Disturbance recorder 14 2 1 1 7 Self supervision 14 2 1 2 Configuration 16 2 1 3 Protection 17 2 1 3 1 Block diagram 17 2 1 3 2 Overvoltage unit 17 2 1 3 3 Undervoltage unit 18 2 1 3 4 Positive phase sequence protection 19 2 1 3 5 Time voltage characteristics 20 2 1 3 6 ...

Page 4: ...2 2 1 Input output connections 49 2 2 2 Technical data 52 3 Check lists 57 Service 60 1 General 60 2 Secondary testing 61 2 1 Testing of the matching transformers 62 2 2 Testing of the overvoltage stages 62 2 2 1 Low set stage U 63 2 2 2 High set stage U 63 2 3 Testing of the undervoltage stages 64 2 3 1 Low set stage U 64 2 3 2 High set stage U 65 2 4 Testing of the self supervision system IRF 65...

Page 5: ...evaluate the positive phase sequence voltage The protection relay REU 513 is based on a microprocessor environment A self supervision system monitors continuously the operation of the relay Local control of the protection relay is carried out with a portable computer connected to the front connector Features Overvoltage and undervoltage protection Single or three phase operation High set overvolta...

Page 6: ...r two way SPA bus data communication 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 ...

Page 7: ...gerous 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 Only a competent electrician is allowed to carry out the electrical installation ...

Page 8: ...xiliary voltage is not available Lit indicator The relay is in normal operation i e the CPU operates no internal faults have occurred and auxiliary voltage is available to the relay Blinking indicator The internal self supervision system has detected an internal relay fault IRF The output contact of the self supervision system operates C START READY TRIP Network Partner REU 513 Order No REU513A 40...

Page 9: ...hould the function still be started when the binary input signal is removed the start indication will be activated If a protection function is blocked when other protection functions are started but not blocked the indicator remains blinking blocking has a higher priority than starting Red TRIP indicator Indicator off Normal operation mode No protection function has tripped Lit indicator A protect...

Page 10: ...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 Table 1 Control push button Push button Pressed 1 s Pressed 5 s C Clear operation indicators Unlatch relays ...

Page 11: ...ite time or an inverse definite minimum time IDMT characteristic The start and operation of the high set and low set undervoltage stages can be blocked when the measured voltages are under 0 2 x Un Further the operation of all protection stages can be blocked separately by means of an external binary input signal The high set undervoltage stage can be set to operate either based on conventional un...

Page 12: ...from the over and undervoltage stages for operating two different circuit breakers The start signals can be used for blocking co operating protection relays for signalling and for initiating autoreclosing Figure 1 3 1 represents the relay with the default configuration Fig 1 3 1 Connection diagram of the overvoltage and undervoltage relay L1 L2 L3 ConD1_U_513 Uaux I O 1 2 3 SGB1 SGB1 SGB1 X 3 X 3 ...

Page 13: ...ase sequence protection 59 U12 U23 U31 PrFU5_3 47 27 59 27 DEFINITE OR INVERSE TIME OVERVOLTAGE PROTECTION LOW SET STAGE PO1 PO2 SO1 SO2 IRF DEFINITE OR INVERSE TIME UNDERVOLTAGE PROTECTION LOW SET STAGE DEFINITE OR INVERSE TIME UNDERVOLTAGE PROTECTION HIGH SET STAGE SERIAL COMMUNICATION REMOTE RESET REMOTE SETTING CONTROL OR BLOCKING INPUT FOR THE DIFFERENT PROTECTION STAGES 62 BF CIRCUIT BREAKER...

Page 14: ...cuit breaker is provided with two trip coils The circuit breaker failure protection unit is activated with a switch of switchgroup SGF 2 1 1 6 Disturbance recorder The relay includes an internal disturbance recorder which records momentary measured values external BI signal and states of the internal protection stages The disturbance recorder can be set to be triggered on operation of stages or on...

Page 15: ...51 Parameter memory EEPROM faulty block 1 52 Parameter memory EEPROM faulty block 2 53 Parameter memory EEPROM faulty blocks 1 and 2 54 Parameter memory EEPROM faulty blocks 1 and 2 have different checksums 55 Parameter memory RAM faulty 56 Parameter memory EEPROM key faulty 59 Faulty work memory RAM 131 Reference voltage too low 24V 139 Reference voltage too high 24V 195 Reference voltage too low...

Page 16: ...s can be configured as well The functionality is selected with the switches of switchgroups SGF Functions SGB Binary Input Blockings and SGR Relays The functions of these switches are explained in detail in the corresponding SG_ tables 17 18 X2 1 13 14 15 10 11 12 7 8 9 3 4 5 6 SDiag_U5_3 I O 3U 3U 3U 3U 4 5 U12 U23 U31 6 7 8 1 2 3 4 4 4 4 4 4 4 3 3 3 3 3 3 3 3 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 IRF ...

Page 17: ...oltage unit begins delivering a start signal after a preset 50 ms start time when the set start value is exceeded When the set operate time for the high set stage at definite time operation or the calculated operate time at inverse time operation elapses the overvoltage unit operates SGR2 x SGR1 x SO2 1 1 SGR7 x SGR8 x SGR6 x SGR5 x U t k U U U U t t t t 1 4 60 ms 50 ms SO1 2 3 SGF2 5 SGF2 2 SGB1 ...

Page 18: ... stage U the undervoltage unit begins delivering a start signal after a preset 50 ms start time When the positive phase sequence protection mode is selected for the high set undervoltage stage and the calculated positive phase sequence voltage U1s falls below the set start value of the high set stage U the undervoltage unit begins delivering a start signal after a preset 50 ms start time When the ...

Page 19: ...n or distribution network level The situation may be critical for the power plant for different reasons For example due to the relay operation caused by a fault situation the power plant may be left to feed an isolated network In this case there is a risk that the isolated network in an asynchronous state compared to the rest of the network is reconnected to the network e g as a result of an autor...

Page 20: ...ge curve groups called A B and C are available The overvoltage and undervoltage units can be given a definite time or an inverse definite minimum time operation characteristic The settings of switches SGF4 1 2 determine the operation mode of stage U SGF4 3 4 that of stage U switch SGF4 5 determines the operation mode of stage U and SGF4 6 that of stage U Refer to section Settings beginning from pa...

Page 21: ...ifferent characteristics The relationship between time and voltage at inverse time characteristic can be expressed as follows where t operate time s k time multiplier k or k U measured voltage V U set start voltage V for U or U a constant 480 b constant 32 c constant 0 055 p constant see table 3 The C type characteristic is illustrated in Fig 2 1 3 5 3 Table 3 The values of constant p Time current...

Page 22: ...MUM Fig 2 1 3 5 1 Type A characteristics Fig 2 1 3 5 2 Type B characteristics 1000 100 10 1 0 1 0 01 1 1 1 2 1 3 1 4 1 5 U U U U 0 05 0 2 0 4 0 7 1 0 k k t s 1 0 2 0 1 4 ovolt_Aext 0 05 0 2 0 4 0 7 1 0 k k U U U U 1 5 1 4 1 3 1 2 1 10 100 1000 t s 1 1 1 0 0 01 0 1 2 0 1 4 ovolt_Bext ...

Page 23: ... of the following ways 1 With parameter V150 via serial communication 2 By means of an external binary input BI Values of the settings are altered with a personal computer provided with the Relay Setting Tool Before the relay is connected to a system one must assure that the relay has been given correct settings If there is any doubt about the settings the setting values should be read with the re...

Page 24: ...zing input definite and inverse time 0 80 1 60 x Un and 1 1 20 x Un t Operate time of stage U in seconds 0 05 600 s 0 05 s k Time multiplier k of stage U at inverse time characteristic 0 05 2 00 0 05 U Un Start voltage of stage U as a multiple of the rated voltage of the energizing input definite and inverse time 0 30 1 20 x Un 0 30 x Un t Operate time of stage U in seconds at definite time charac...

Page 25: ...sum is used for verifying that the switches have been properly set The figure below shows an example of manual checksum calculation Fig 2 1 3 6 1 An example of calculating the checksum of a selector switchgroup SG_ When the checksum calculated according to the example above equals the checksum read from the relay the switches in the concerned switchgroup are properly set The following tables indic...

Page 26: ...vated The latching feature selected the output contact is reset with the push button on the front panel via the external binary input or the serial bus 0 SGF1 3 Minimum pulse length for signal outputs SO1 and SO2 0 80 ms 1 40 ms 0 SGF1 4 Minimum pulse length for power outputs PO1 and PO2 0 80 ms 1 40 ms Note The latching function of PO1 and PO2 will overrun this function 0 SGF1 5 Circuit breaker f...

Page 27: ...tages fall below the set value 1 More sensitive operation the stage starts when even one of the phases falls momentarily below the set value In this case to avoid unnecessary start situations the start voltage of stage U is to be set to 0 6 x Un or below 0 SGF2 4 Internal blocking of stage U when the measured voltage falls below 0 2 x Un 0 internal blocking of U 1 no internal blocking of U 0 SGF2 ...

Page 28: ...he start indication remains even if the fault disappears 0 SGF3 4 The operation mode for the trip indicator of stage U 0 The trip indicator automatically resets once the fault disappears 1 The trip indication remains even if the fault disappears 1 SGF3 5 The operation mode for the start indicator of stage U 0 The start indicator automatically resets once the fault disappears 1 The start indication...

Page 29: ...ime If more than one switch is set active for a stage the characteristic with the lowest weighting factor of the selected switches will be activated This only concerns the overvoltage stages Table 8 SGF4 SGF4 1 SGF4 2 SGF4 3 SGF4 4 SGF4 5 SGF4 6 SGF4 7 SGF4 8 Operation 0 0 0 0 0 0 0 0 Definite time1 1 0 U A Curve 0 1 U B Curve 1 0 U A Curve 0 1 U B Curve 1 U C Curve 1 U C Curve ...

Page 30: ...set by the binary input signal 0 SGB1 4 Switching between the setting groups 1 and 2 either via the serial bus with command V150 or using the external binary input 0 The setting group cannot be changed with an external binary input 1 The currently used setting group is determined exclusively by the state of the binary input Note When SGB1 4 is set to 1 it is important that the switch has the same ...

Page 31: ...signal matrix of the overvoltage and undervoltage relay Table 10 SGR1 SGR8 Switch Function Default setting SGR1 1 4 U signal to output contacts PO1 PO2 SO1 and SO2 12 SGR2 1 4 t signal to output contacts PO1 PO2 SO1 and SO2 3 SGR3 1 4 U signal to output contacts PO1 PO2 SO1 and SO2 12 SGR4 1 4 t signal to output contacts PO1 PO2 SO1 and SO2 3 SGR5 1 4 U signal to output contacts PO1 PO2 SO1 and SO...

Page 32: ... t and t 0 06 600 s 0 05 600 s inverse time characteristic A curve B curve A curve B curve time multipliers k and k 0 05 2 00 0 05 2 00 Reset time 70 ms1 70 ms1 Drop off pick up ratio 0 95 0 99 0 97 Operate time accuracy at definite time mode 2 of set value or 25 ms 2 of set value or 25 ms Operate time accuracy at inverse time mode 25 ms or the accuracy appearing when the measured voltage varies 3...

Page 33: ...refer to part A Operator s instructions Table 12 Stages U and U Feature Stage U Stage U Start voltage at definite time and inverse time characteristics 0 30 1 20 x Un 0 30 1 20 x Un and Start time typical 80 ms 50 ms Time voltage characteristic definite time operate times t and t 0 10 600 s 0 10 600 s inverse time characteristic C curve C curve time multipliers k and k 0 10 2 00 0 10 2 00 Reset ti...

Page 34: ...rotection stages and the external binary input signal linked to the relay The sampling frequency is 16 times the rated frequency resulting in 800 Hz at 50 Hz rated frequency and in 960 Hz at 60 Hz rated frequency At a power reset or reset of recorded values WV102 1 the contents of the recorder memory are lost 2 1 5 3 Control and indication of recorder status It is possible to control and monitor t...

Page 35: ...he external binary input signal to be used for triggering V244 Defines whether the rising or falling edge of the binary input signal is to trigger the recorder V245 Length of recording after triggering The total recording length is 40 cycles V246 Status of the recorder M18 Used for giving the disturbance recorder a unique identification number M20 Used for designating the disturbance recorder the ...

Page 36: ...t have reset How many times range 0 255 a protection function has started can be read via the parameters V5 V8 Table 13 Recorded data REGISTER Recorded data EVENT1 The highest voltage value measured during the start sequence of an overvoltage stage as a multiple of the rated voltage Un The lowest voltage value measured during the start sequence of an undervoltage stage as a multiple of the rated v...

Page 37: ... When setting values are altered via the optical PC interface the relay checks that the entered parameter values are within the permitted setting range The relay refuses to accept too high or too low a setting value and keeps the former setting unchanged 2 1 7 2 Event codes Special codes have been determined to represent certain events such as start and operation of protection stages and different...

Page 38: ...ping of stage U 4 1 E4 Tripping of stage U reset 8 0 E5 Starting of stage U 16 1 E6 Starting of stage U reset 32 0 E7 Tripping of stage U 64 1 E8 Tripping of stage U reset 128 0 Default value of event mask V155 85 Table 16 Event codes E9 E16 Code Event Weighting factor Default value E9 Starting of stage U 1 1 E10 Starting of stage U reset 2 0 E11 Tripping of stage U 4 1 E12 Tripping of stage U res...

Page 39: ...e Event Weighting factor Default value E17 PO1 activated 1 1 E18 PO1 reset 2 1 E19 PO2 activated 4 0 E20 PO2 reset 8 0 E21 SO1 activated 16 0 E22 SO1 reset 32 0 E23 SO2 activated 64 0 E24 SO2 reset 128 0 Default value of event mask V157 3 Table 18 Event code E31 Code Event Weighting factor Default value E31 Disturbance recorder triggered 1 1 Default value of event mask V158 1 Table 19 Event codes ...

Page 40: ...alue WS41 0 7 Reinstate password protection WV161 1 The SPA password can be changed via the serial bus by entering first the current password in parameter V160 and writing then a new password to parameter V161 Abbreviations used in following tables R readable data W writeable data P password protected writeable data I input data S setting value V recorded data parameter M disturbance recorder para...

Page 41: ...4 S94 0 10 2 00 Checksum SGF 1 S15 S55 S95 0 31 Checksum SGF 2 S16 S56 S96 0 255 Checksum SGF 3 S17 S57 S97 0 255 Checksum SGF 4 S18 S58 S98 0 63 Checksum SGB 1 S19 S59 S99 0 255 Checksum SGR 1 S20 S60 S100 0 15 Checksum SGR 2 S21 S61 S101 0 15 Checksum SGR 3 S22 S62 S102 0 15 Checksum SGR 4 S23 S63 S103 0 15 Checksum SGR 5 S24 S64 S104 0 15 Checksum SGR 6 S25 S65 S105 0 15 Checksum SGR 7 S26 S66 ...

Page 42: ...able 21 Recorded data Parameters V1 V10 Recorded data Para meter R W Value Maximum voltage measured after reset V1 R 0 2 x Un Minimum voltage measured after reset V2 R 0 2 x Un Average voltage during 1 minute V3 R 0 2 x Un Average voltage during 10 minutes V4 R 0 2 x Un Number of starts of stage U V5 R 0 255 Number of starts of stage U V6 R 0 255 Number of starts of stage U V7 R 0 255 Number of st...

Page 43: ...voltage measured at start of stage U or U V12 V32 V52 V72 V92 0 2 x Un Voltage measured at the moment of tripping V13 V33 V53 V73 V93 0 2 x Un The lowest value of the positive phase sequence voltage at start of stage U or U V14 V34 V54 V74 V94 0 2 x Un Start duration stage U V15 V35 V55 V75 V95 0 100 Start duration stage U V16 V36 V56 V76 V96 0 100 Start duration stage U V17 V37 V57 V77 V97 0 100 ...

Page 44: ...imary voltage transformer s M80 R W XXXX YY where XXXX 0 00 600 YY V or kV e g 20 0 kV Table 24 V parameters for disturbance recorder Description Parameter R W Value Internal trigger signals checksum V241 R W 0 127 see table 25 Internal trigger signal s edge V242 R W 0 127 0 rising 1 falling External trigger signal BI signal V243 R W 0 1 see table 26 External trigger signal s edge V244 R W 0 1 0 r...

Page 45: ... stage U 2 1 0 Starting of stage U 4 0 0 Starting of stage U 8 0 0 Tripping of stage U 16 1 0 Starting of stage U 32 0 0 Tripping of stage U 64 1 0 Not in use 0 0 Checksum 82 0 Table 26 Disturbance recorder external triggering Event Weighting factor Default value of triggering mask V243 Default value of triggering edge V244 External binary input BI 1 1 0 Not in use 0 0 Not in use 0 0 Not in use 0 ...

Page 46: ...r output contacts events V157 R W 0 255 see Event codes Event mask for disturbance recorder V158 R W 0 1 see Event codes Entering the password for settings V160 W 1 999 Changing the password or reinstating password protection V161 W P 1 999 Activating the self supervision READY LED V165 W 0 normal operation 1 self supervision READY LED blinking LED test for start and trip indicators V166 W P 0 sta...

Page 47: ...g of event register B R Time channel number and event code Type designation of the relay F R REU 513 Reading of relay state data C R 0 normal state 1 relay been subject to automatic reset 2 overflow of event register 3 both events 1 and 2 Resetting of relay state data C W 0 resetting all events 1 reset only E50 2 reset only E51 4 reset all events including E51 but not E50 Time reading and setting ...

Page 48: ... the values of parameters O1 O12 changes from 0 to 1 it is recorded in the corresponding parameter of O21 O32 The values recorded can be read via these parameters and they remain stored until reset Table 28 Inputs Description Parameters R Value Voltage U12 I1 0 2 x Un Voltage U23 I2 0 2 x Un Voltage U31 I3 0 2 x Un Binary input signal BI I4 0 or 1 Positive phase sequence voltage I5 0 2 x Un Table ...

Page 49: ...ed function is selected with the switches of switchgroup SGB The binary input can also be used as a trigger signal for the disturbance recorder this function is selected with SPA parameter V243 The auxiliary supply voltage of the relay is connected to terminals X2 1 1 2 At dc supply the positive lead is connected to terminal X2 1 1 For further details see the description of the auxiliary voltage T...

Page 50: ...or the self supervision system of the protection relay The IRF relay is energized under normal operating conditions and contact gap X2 1 13 15 is closed If a fault is detected by the self supervision system or on loss of the auxiliary supply the output contact drops off and contact X2 1 13 14 closes In the picture below a rear view of the relay showing the connecting sockets Fig 2 2 1 1 Rear view ...

Page 51: ...2 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 SO1 NC X2 1 9 SO1 NO X2 1 10 SO2 common X2 1 11 SO2 NC X2 1 12 SO2 NO Table 34 Internal Relay Fault contact IRF Terminal Function X2 1 13 Internal relay fault common X2 1 14 Closed IRF or Uaux disconnected X2 1 15 Closed no IRF and Uaux connected Table 35 Binary input BI Terminal Function X2 1 17 Input X2 1...

Page 52: ...20 240 V ac Ur 48 60 110 125 220 V dc Operating range 80 265 V ac 38 265 V dc Relay power start up time typical 300 ms Burden of auxiliary supply under quiescent operating condition 4 W 10 W Ripple in dc auxiliary voltage Max 12 of the dc value Interruption time in auxiliary dc voltage without resetting 30 ms at 48 V dc 100 ms at 110 V dc 500 ms at 220 V dc Table 38 Energizing inputs Rated frequen...

Page 53: ... 0 8 W Table 41 Signal outputs SO1 SO2 and self supervision output IRF Rated voltage 250 V ac dc Continuous carry 5 A Make and carry for 3 0 s 8 A Make and carry for 0 5 s 10 A Breaking capacity when the control circuit time constant L R 40 ms at 48 110 220 V dc 1 A 0 25 A 0 15 A Minimum contact load 100 mA at 24 V ac dc Table 42 Power outputs PO1 PO2 Rated voltage 250 V ac dc Continuous carry 5 A...

Page 54: ...able 45 Electromagnetic compatibility tests EMC immunity test level requirements consider the demands in the generic standard EN 50082 2 1 MHz burst disturbance test class III According to IEC 60255 22 1 Common mode 2 5 kV Differential mode 1 0 kV Electrostatic discharge test class III According to IEC 61000 4 2 For contact discharge 6 kV For air discharge 8 kV Radio frequency interference tests C...

Page 55: ... 2 kV common mode 1 kV differential mode Electromagnetic immunity tests According to IEC 61000 4 8 Power frequency magnetic field 100 A m Voltage dips and short interruptions According to IEC 61000 4 11 30 10 ms 60 100 ms 95 5000 ms Electromagnetic emission tests According to EN 55011 and EN 50081 2 Conducted RF emission Mains terminal EN 55011 class A Radiated RF emission EN 55011 class A CE appr...

Page 56: ...d 48 60 110 125 220 V The primary side of the power supply is protected with a fuse located on the PCB of the relay The fuse size is 2 5 A slow 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 Test voltage 5 kV unipolar impulses waveform 1 2 50 µs source energy 0 5 J Insulation resistance ...

Page 57: ...lier k S47 0 05 2 00 0 05 Start voltage of stage U S48 0 30 1 20 x Un 0 30 x Un Operate time of stage U S49 0 10 600 s 0 10 s Time multiplier k S50 0 10 2 00 0 10 Drop off pick up ratio D P of stage U S51 1 01 1 05 1 03 Start voltage of stage U S52 0 30 1 20 x Un 0 30 x Un Operate time of stage U S53 0 10 600 s 0 10 s Time multiplier k S54 0 10 2 00 0 10 Checksum SGF 1 S55 0 31 0 Checksum SGF 2 S5...

Page 58: ...0 05 2 00 0 05 Start voltage of stage U S88 0 30 1 20 x Un 0 30 x Un Operate time of stage U S89 0 10 600 s 0 10 s Time multiplier k S90 0 10 2 00 0 10 Drop off pick up ratio D P of stage U S91 1 01 1 05 1 03 Start voltage of stage U S92 0 30 1 20 x Un 0 30 x Un Operate time of stage U S93 0 10 600 s 0 10 s Time multiplier k S94 0 10 2 00 0 10 Checksum SGF 1 S95 0 31 0 Checksum SGF 2 S96 0 255 0 C...

Page 59: ...r 9 6 kbps 9 6 Operate time of circuit breaker failure protection S121 0 10 1 00 s 0 10 Table 51 Parameters for disturbance recorder Information Parameter Setting range Default setting Customer s setting Event mask for disturbance recorder V158 0 1 1 Internal trigger signals checksum V241 0 127 82 Internal trigger signal s edge V242 0 127 0 External trigger signal BI signal V243 0 1 1 External tri...

Page 60: ... mechanical damage on relay contacts and relay case Rust spots or signs of corrosion on terminals or case If the relay fails in operation or if the operating values differ remarkably from those of the relay specifications the relay is to be given a proper overhaul All major measures involving overhaul of electronics are to be taken by the manufacturer Please contact the manufacturer or the nearest...

Page 61: ...normal operation If necessary the secondary testing can be extended by testing the protection stages throughout their setting ranges All setting values that are altered during the test procedure have to be read and stored prior to the tests so that they can be restored after the tests To enable secondary testing the relay has to be disconnected either through disconnectable terminal blocks or a te...

Page 62: ...e rated voltage Un used 2 2 Testing of the overvoltage stages The test is carried out as a single phase test Before the test is started Record the actual SGR settings for later restoring Set the relay switchgroups as follows Setting values can be those actual used PC 4 4 x 4 4 4 x 4 x 3 3 3 x 3 3 3 2 2 2 2 2 2 2 x 1 x 1 1 1 1 1 1 TestU513 PO1 PO2 IRF 3U 3U 1MKC950001 1 1 2 3 3U 3U 5 6 3 4 13 14 15...

Page 63: ...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 Set the test voltage at one of the two defined test voltages Switch off S1 and clear indicators and reset output relays The clock is started by closing switch S1 and stopped by closing output contact PO1 When ...

Page 64: ...e relay switchgroups as follows Setting values can be those actual used 2 3 1 Low set stage U Starting Set the test voltage value at a value slightly above the set start value of stage U Close switch S1 and clear indicators and reset output relays Slowly lower the voltage until the relay starts and the indicator L3 is lit Then read the start voltage value from the voltmeter Operate time Test accor...

Page 65: ...ltage of stage U The clock is started by opening switch S1 and stopped by closing output contact PO2 When the relay starts the START indicator is lit with yellow light When the relay operates the TRIP indicator is lit with red light Inverse time characteristic At inverse time characteristic the operate time is measured at two different test voltage values 0 9 x U and 0 6 x U The operate times thus...

Page 66: ...66 1MRS750886 MUM 3 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: ...s 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 1MRS050257 Opto cable 1MKC950001 1 ...

Page 68: ...ABB Substation Automation Products and Systems User s Guide REU 513 68 1MRS750886 MUM References Installation Manual 1MRS750526 MUM ...

Page 69: ...eristic for undervoltage stages 21 Characteristics for overvoltage stages 20 Checksum calculation 25 Control parameters 46 59 F Fault code 14 I Input and output signals 48 M M parameters for disturbance recorder 35 44 P Password 40 R Recorded data 36 42 S Settings 23 57 58 SGB1 30 SGF1 SGF4 26 SGR1 SGR8 14 31 V V parameters for disturbance recorder 35 44 ...

Page 70: ...t breaker failure protection CPU Central processing unit IDMT Inverse definite minimum time characteristic IRF Internal relay fault LED Light emitting diode PCB Printed Circuit Board PO1 PO2 Power outputs SGB Switchgroups for binary input SGF Switchgroups for functions SGR Switchgroups for output contacts SO1 SO2 Signal outputs ...

Page 71: ......

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 1MRS750886 MUM ...

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