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1MRS 750616-MUM

Directional or Non-Directional Earth-Fault Relay

Technical Reference Manual

REJ 527

19

4.1.4.4.

Protection against intermittent earth-faults

An intermittent earth-fault typically occurs in an insulated cable where the
insulation has a crack and water leaks into the cable. The earth-fault dries up the
crack in the cable, extinguishing the fault, but reappears after a short time as water
leaks back through the crack. The process repeats, resulting in a succession of fault
current pulses.

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When the resetting time of the overcurrent unit is shorter than the interval between
the fault current pulses, the relay will be continually reset and not able to trip. A
resetting time longer than the start time, but short enough not to interfere with
normal operation of the protection and control system, will help to eliminate some
less common health and safety problems.

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Momentary peak
value of neutral
current Io

Momentary
value of
neutral
voltage Uo

Fundamental
amplitude of Io

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rm

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Set value

Trip level

≥

100ms

≥

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Resettime

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Содержание REJ 527

Страница 1: ...REJ 527 Directional or Non Directional Earth Fault Relay Technical Reference Manual ...

Страница 2: ......

Страница 3: ... 1 2 Earth fault current zero sequence voltage and intermittent earth faults 10 4 1 1 3 Inputs 11 4 1 1 4 Outputs 11 4 1 1 5 Circuit breaker failure protection unit 11 4 1 1 6 Disturbance recorder 11 4 1 1 7 HMI module 11 4 1 1 8 Non volatile memory 11 4 1 1 9 Self supervision 12 4 1 2 Measurements 12 4 1 3 Configuration 13 4 1 4 Protection 13 4 1 4 1 Block diagram 13 4 1 4 2 Directional or non di...

Страница 4: ...ded data of the last events 41 4 1 9 External serial communication 42 4 1 9 1 Communication ports 42 4 1 9 2 IEC 60870 5 103 remote communication protocol 43 4 1 9 3 Event codes 48 4 1 9 4 SPA bus communication protocol parameters 49 4 1 10 Self supervision IRF system 56 4 1 11 Relay parameterization 56 4 2 Design description 56 4 2 1 Input output connections 56 4 2 2 Serial communication connecti...

Страница 5: ...akes the local use of the relay safe and easy Local control of the relay via serial communication can be carried out with a portable computer connected to the front connector and remote control via the rear connector connected to the distribution automation system through the serial interface and the fibre optic bus 1 3 Features Directional or non directional low set earth fault current stage with...

Страница 6: ...s IEC 60870 5 103 and SPA bus communication protocols Two normally open power output contacts Two change over signal output contacts Output contact functions freely configurable for desired operation Optical PC connector for two way data communication front RS 485 connector rear for system communication Continuous self supervision of electronics and software At an internal relay fault IRF all prot...

Страница 7: ...gulations must always be followed The device contains components which are sensitive to electrostatic discharge The frame of the device has to be carefully earthed Only a competent electrician is allowed to carry out the electrical installation Non observance can result in death personal injury or substantial property damage Breaking the sealing tape on the rear panel of the device will result in ...

Страница 8: ...gs The voltage and current functions use conventional transformer measurement An output contact matrix allows start or trip signals from the protection stages to be routed to the desired output contact 3 2 Requirements When the REJ 527 is operating under the conditions specified below see also Technical data it will be practically maintenance free The relay includes no parts or components subject ...

Страница 9: ... SGR5 SGR6 START TRIP 5 6 3 4 13 14 15 1 2 17 18 1 2 3 4 6 SGB1 SGB1 SGB1 5 6 7 10 11 12 7 8 9 SO1 X2 1 X2 1 X2 1 SO2 X2 1 X2 1 X2 1 X2 1 X1 1 1MKC950001 1 RER 103 Tx Rx Io Uob P1 P2 S2 S1 A N da dn ConD527 4 SGB1 REJ527B 418BAA 2 5 A 3 1 A REJ527B 411BAA 2 1 A 3 0 2 A Blocking of stage Io Blocking of stage Io Blocking of stage Uob X Default value Optical PC interface Spa Bus I O INDICATIONS CLEAR...

Страница 10: ...ault current unit 4 1 4 3 Zero sequence voltage unit 4 1 4 4 Protection against intermittent earth faults 50 N Io PrF5_7 Uo 51 N 59 N 67 N 62 BF Earth fault protection with definite or inverse time characteristic low set stage Earth fault protection with instantaneous or definite time characteristic high set stage PO1 PO2 SO1 SO2 IRF Zero sequence voltage element Circuit breaker failure protection...

Страница 11: ...ch records the momentary measured values or the RMS curves of the measured signals and seven digital signals the external binary input signal and the states of the internal protection stages The disturbance recorder can be set to be triggered by a start or a trip signal from any protection stage and or by an external binary input signal and either on the falling or rising triggering edge 4 1 1 7 H...

Страница 12: ...s can indicate no response on the output contact test faulty program work or parameter memory internal reference voltage error 4 1 2 Measurements The table below presents the measured values which can be accessed through the HMI The measured voltage is shown as a percentage of the rated voltage Un and the measured currents of the rated current In of the energizing input The phase angle is shown in...

Страница 13: ...4 4 4 3 3 2 2 1 1 SGR5 SGR6 5 6 3 4 13 14 15 17 18 SGB1 SGB1 SGB1 5 6 7 10 11 12 7 8 9 X2 1 Io Uob SGF1 SGF5 Uo Io BI IRF SO2 SO1 PO2 PO1 SGB1 4 START TRIP START TRIP START TRIP Blocking of stage Io Blocking of stage Io Blocking of stage Uob INDICATIONS CLEARED OUTP CONT UNLATCHED AND INDICATIONS CLEARED MEMORIZED VALUES AND INDIC CLEARED OUTPUT CONTACTS UNLATCHED SWITCHGROUP SELECTION SGF1 5 1 1 ...

Страница 14: ...ocking mode The phase angle ϕ between the voltage and the current falls within the operation sector ϕb ϕ The basic angle of the network is 90 for isolated neutral networks and 0 for resonant earthed networks earthed with an arc suppression coil Petersen coil with or without a parallel resistor The operation sector is selectable and can be either ϕ 80 or 88 Both operation sectors can be extended Wh...

Страница 15: ... ϕE RSHUDWLRQ VHFWRU ϕ DQG H WHQGHG RSHUDWLRQ VHFWRU ϕD LJ 2SHUDWLRQ FKDUDFWHULVWLF ZKHQ EDVLF DQJOH ϕE RSHUDWLRQ VHFWRU ϕ DQG H WHQGHG RSHUDWLRQ VHFWRU ϕD OPERATION AREA Io OPERATION AREA 5 80 60 40 20 0 20 40 60 80 100 100 1 2 3 4 6 NON OPERATION AREA ϕb 0 ϕ 80 Io In 120 140 ϕa 40 Ba_0_deg Negative quadrant Positive quadrant OPERATION SECTOR ϕb 0 ϕ 80 Uo Io ϕ ϕ Io LEAD LAG ϕa 40 Ba_0_degrees ...

Страница 16: ...xceeds the set start value of U0b which is the same for both stages in the deblocking mode The phase angle ϕ between the voltage and the current falls within the operation sector corrected with ϕc When an earth fault stage starts a start signal will be generated and a start indication shown on the HMI If the above mentioned criteria remain fulfilled until the set operate time elapses the stage wil...

Страница 17: ...ch other The directional stages can also be separately configured to be non directional When the earth fault current exceeds the set start value of low set stage I0 the earth fault unit will start to deliver a start signal after a 70 ms start time When the set operate time at definite time characteristic or the calculated operate time at IDMT characteristic elapses the earth fault unit will delive...

Страница 18: ...x I0 4 1 4 3 Zero sequence voltage unit When the zero sequence voltage exceeds the set start value of low set stage U0b the voltage unit will start to deliver a start signal after a 70 ms start time When the set operate time at definite time characteristic elapses the voltage unit will deliver a trip signal The two current stages I0 and I0 can be replaced by two additional voltage stages low set s...

Страница 19: ...ss repeats resulting in a succession of fault current pulses LJ QWHUPLWWHQW IDXOW When the resetting time of the overcurrent unit is shorter than the interval between the fault current pulses the relay will be continually reset and not able to trip A resetting time longer than the start time but short enough not to interfere with normal operation of the protection and control system will help to e...

Страница 20: ...ion At IDMT characteristic the operate time of the stage is dependent on the current value the higher the current value the shorter the operate time Six time current curve groups are available of which four comply with the IEC 60255 standard the normal inverse very inverse extremely inverse and long time inverse The two additional inverse time curve groups referred to as RI and RD are special curv...

Страница 21: ...egrees of inversity The time current characteristics according to the IEC and BS standards are illustrated in Fig 4 1 4 5 1 Fig 4 1 4 5 4 1RWH If the ratio between the current and the set start value is higher than 20 the operate time will be the same as when the ratio is 20 RI type characteristic The RI type characteristic is a special characteristic which is principally used for obtaining time g...

Страница 22: ...rth fault protection and which requires a high degree of selectivity even at high resistance faults The protection can operate in a selective way even if it is not directional Mathematically the time current characteristic can be expressed as follows where t operate time k time multiplier I0 earth fault value I0 set start value The RD type characteristic is illustrated in Fig 4 1 4 5 6 t s 5 8 1 3...

Страница 23: ...al Reference Manual REJ 527 23 LJ 1RUPDO LQYHUVH WLPH FKDUDFWHULVWLF 0 05 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 k 1 2 3 4 5 7 8 9 10 20 Io Io 6 0 02 0 03 0 04 0 05 0 06 0 07 0 08 0 09 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 2 3 4 5 6 7 8 9 10 20 30 40 50 60 70 t s N_inv_Io ...

Страница 24: ...chnical Reference Manual REJ 527 LJ 9HU LQYHUVH WLPH FKDUDFWHULVWLF 1 2 3 4 5 6 7 8 9 10 20 Io Io 0 05 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 k 0 02 0 03 0 04 0 05 0 06 0 07 0 08 0 09 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 2 3 4 5 6 7 8 9 10 20 70 60 50 40 30 t s V_inv_Io ...

Страница 25: ...chnical Reference Manual REJ 527 25 LJ WUHPHO LQYHUVH WLPH FKDUDFWHULVWLF 1 3 4 5 6 7 8 9 10 2 20 Io Io 0 05 0 1 0 2 0 3 0 4 0 6 0 8 1 0 k 0 02 0 03 0 04 0 05 0 06 0 07 0 08 0 09 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 2 3 4 5 6 7 8 9 10 20 30 40 70 60 50 t s Ext_inv_Io ...

Страница 26: ...Technical Reference Manual REJ 527 LJ RQJ WLPH LQYHUVH WLPH FKDUDFWHULVWLF 1 2 3 4 5 10 20 6 7 8 9 Io Io 0 05 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 k 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 2 3 4 5 6 7 8 9 10 20 30 40 50 60 70 80 90 100 200 300 400 500 600 700 t s L_inv_Io ...

Страница 27: ...al Reference Manual REJ 527 27 LJ 5 W SH LQYHUVH WLPH FKDUDFWHULVWLF 1 2 3 4 5 6 7 8 9 10 20 Io Io 0 05 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 k 0 02 0 03 0 04 0 05 0 06 0 07 0 08 0 09 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 3 4 5 6 7 9 10 20 70 60 50 40 30 t s 2 8 RI_INV_Io ...

Страница 28: ...l Reference Manual REJ 527 LJ 5 W SH LQYHUVH WLPH FKDUDFWHULVWLFV 0 6 0 7 0 8 0 9 1 0 k 1 2 3 5 7 8 9 10 20 Io Io 6 0 02 0 03 0 04 0 05 0 06 0 07 0 08 0 09 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 2 3 4 5 7 8 10 20 30 40 50 60 70 t s 30 40 6 9 0 05 4 0 1 0 2 0 4 0 5 0 3 RD_INV_Io ...

Страница 29: ...lues should be read with the relay trip circuits disconnected or tested with current injection refer to section Check lists for additional information Table 4 1 4 6 1 Setting values Setting Description Setting range Default setting U0b Un Set start value of stage U0b as a percentage of the energizing input used definite time 2 0 80 0 x Un 2 0 x Un tb Operate time of stage U0b in seconds at definit...

Страница 30: ...t The figure below shows an example of manual checksum calculation LJ Q H DPSOH RI FDOFXODWLQJ WKH FKHFNVXP RI D 6 B VHOHFWRU VZLWFKJURXS When the checksum calculated according to the example above equals the checksum of the relay the switches in the switchgroup have been properly set The factory default settings of the switches and the corresponding checksums are presented in the tables below t0 ...

Страница 31: ...contact will remain active although the measuring signal which caused the trip falls below the set start value A latched output contact can be unlatched either via the HMI the external binary input or the serial bus 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...

Страница 32: ...ed once the fault has disappeared 1 latching The start indication will remain active although the fault has disappeared 0 SGF2 5 The operation mode of the start indication of stage I0 or U0 0 the start indication will automatically be cleared once the fault has disappeared 1 latching The start indication will remain active although the fault has disappeared 0 SGF2 6 The operation mode of the start...

Страница 33: ...1 non directional 0 SGF3 4 Selection of operation for stage I0 0 forward direction 1 reverse direction 0 SGF3 5 Selection of operation criteria for the directional earth fault protection 0 I0 with the basic angle 1 operation criteria I0sin ϕ or I0cos ϕ 0 SGF3 6 Selection of operation areas for the directional earth fault protection 0 the operation sector is 80 1 the operation sector is 88 0 SGF3 7...

Страница 34: ...ttent earth fault stage 1RWH Only one type of characteristic can be selected at a time If more than one switch is selected the characteristic with the lowest weighting factor of the selected switches will be activated Table 4 1 4 6 6 SGF5 Resetting time of stage I0 U0 SGF5 1 SGF5 2 SGF5 3 SGF5 4 SGF5 5 SGF5 6 SGF5 7 SGF5 8 Operation 0 0 0 80 ms1 1 0 0 100 ms 0 1 0 500 ms 0 0 1 1000 ms ...

Страница 35: ...atched by the binary input signal 0 SGB1 3 0 indications and memorized values are not cleared and latched output contacts are not unlatched by the binary input signal 1 indications and memorized values are cleared and latched output contacts are unlatched by the binary input signal 0 SGB1 4 Switching between setting groups 1 and 2 using the external binary input 0 the setting group cannot be chang...

Страница 36: ...NGS Table 4 1 4 6 8 SGR1 SGR6 Switch Function Default SGR1 1 4 U0b signal to output contacts PO1 PO2 SO1 and SO2 12 SGR2 1 4 tb signal to output contacts PO1 PO2 SO1 and SO2 3 SGR3 1 4 I0 U0 signal to output contacts PO1 PO2 SO1 and SO2 12 SGR4 1 4 t0 signal to output contacts PO1 PO2 SO1 and SO2 3 SGR5 1 4 I0 U0 signal to output contacts PO1 PO2 SO1 and SO2 12 SGR6 1 4 t0 signal to output contact...

Страница 37: ...0b Set start value at definite time characteristic 2 0 80 0 x Un Start time typical 70 ms Time current characteristic definite time operate time tb 0 10 300 s Resetting time typical 60 ms Drop off pick up ratio typical 0 96 Operate time accuracy at definite time characteristic 2 of the set start value or 25 ms Operation accuracy 2 0 80 0 x Un 3 of the set start value 0 05 x Un Table 4 1 4 7 2 Stag...

Страница 38: ...l for a more thorough presentation Start time typical 70 ms 60 ms Time current characteristics definite time operate times t0 and t0 0 10 300 s 0 10 300 s IDMT for stage I0 as per IEC 60255 3 Extremely inverse Very inverse Normal inverse Long time inverse special type of inverse time characteristic time multiplier k of stage I0 RI type inverse RD type inverse 0 05 1 00 Selectable resetting time 80...

Страница 39: ...t and the LEDs can be turned on by selecting the LED test Refer to the Operator s Manual for more detailed instructions on how to perform the tests 4 1 7 Disturbance recorder 4 1 7 1 Function The REJ 527 features an integrated disturbance recorder for recording monitored quantities The recorder continuously captures the curve forms of the current and voltage as well as the status of both the inter...

Страница 40: ... or the auxiliary voltage connected may result in a shortened total recording length Disconnection of the auxiliary voltage after the recorder has been triggered but before the recording has finished on the other hand may result in a shortened post triggering recording length This however will not affect the total recording length At a power reset triggered recorder data will be retained in the me...

Страница 41: ...so be triggered manually using parameter M1 Triggering of the disturbance recorder is only possible if the recorder has not already been triggered 4 1 7 5 Settings and unloading The setting parameters for the disturbance recorder are V parameters V240 V246 and M parameters M15 M18 M20 M80 and M81 Unloading the recorder requires that M80 and M81 have been set Unloading is done using a PC applicatio...

Страница 42: ... LON protocol LON communication requires a separate LSG device Table 4 1 8 1 Recorded data REGISTER Recorded data EVENT1 The zero sequence voltage U0 the earth fault current I0 the directional earth fault current Iϕ and the phase angle ϕ measured as percentages of the rated voltage and current The angle is shown in degrees Duration of the last starts of stages tb t0 and t0 expressed as a percentag...

Страница 43: ...s an internal counter which can be accessed via COMMUNICATION under CONFIGURATION in the HMI menu The counter value is set to 0 when the relay receives a valid message 4 1 9 2 IEC 60870 5 103 remote communication protocol The REJ 527 supports the IEC 60870 5 103 remote communication protocol henceforward referred to as the IEC_103 in the unbalanced transmission mode The IEC_103 protocol is used to...

Страница 44: ...ble information of the protection equipment However some information elements have been mapped to a private range Configuration set 2 can be used when the earth fault unit operates as a two stage earth fault current unit with a voltage deblocking facility SGF2 7 0 Low set stage I0 and high set stage I0 can be configured to be either directional or non directional SGF3 1 and SGF3 3 Configuration se...

Страница 45: ... PO1 Activated Reset E13 E14 160 27 auxiliary input 1 X 1 PO2 Activated Reset E15 E16 160 28 auxiliary input 2 X 1 SO1 Activated Reset E17 E18 160 29 auxiliary input 3 X 1 SO2 Activated Reset E19 E20 160 30 auxiliary input 4 X 1 Table 4 1 9 2 2 Information mapping of configuration set 1 Measurand Normalize factor Rated value Function type Information number Standard description of the information ...

Страница 46: ...4 163 27 X 1 PO2 Activated Reset E15 E16 163 28 X 1 SO1 Activated Reset E17 E18 163 29 X 1 SO2 Activated Reset E19 E20 163 30 X 1 Disturbance recorder triggered E31 163 100 1 HMI Password Opened Closed E32 E33 163 101 1 7DEOH QIRUPDWLRQ PDSSLQJ RI FRQILJXUDWLRQ VHW Measurand Normalize factor Rated value Function type Information number Standard description of the information number IEC 60870 5 103...

Страница 47: ...ated Reset E7 E8 170 91 E5 2 U0 Start Activated Reset E9 E10 170 96 X E9 2 U0 Trip Activated Reset E11 E12 170 98 E9 2 PO1 Activated Reset E13 E14 170 27 X 1 PO2 Activated Reset E15 E16 170 28 X 1 SO1 Activated Reset E17 E18 170 29 X 1 SO2 Activated Reset E19 E20 170 30 X 1 Disturbance recorder triggered E31 170 100 1 HMI Password Opened Closed E32 E33 170 101 1 7DEOH QIRUPDWLRQ PDSSLQJ RI FRQILJX...

Страница 48: ...and can also be repeated Events to be included in the event reporting are marked with multiplier 1 The event mask is formed by the sum of the weighting factors of all those events which are to be included in the event reporting Table 4 1 9 3 1 Event masks Event mask Code Setting range Default setting V155 E1 E8 0 255 85 V156 E9 E12 0 15 5 V157 E13 E20 0 255 3 V158 E31 0 or 1 1 Table 4 1 9 3 2 Even...

Страница 49: ...vated in case of loss of auxiliary voltage The HMI password can be changed via parameter V162 but it is not possible to read the password via this parameter Abbreviations used in the following tables R readable data W writeable data P password protected writeable data I input data Table 4 1 9 3 4 Event codes E13 E20 Code Event Weighting factor Default value E13 PO1 activated 1 1 E14 PO1 reset 2 1 ...

Страница 50: ...f stage I0 S5 1 S45 S85 5 0 400 x In Set start value of stage U0 S6 1 S46 S86 2 0 80 0 x Un Operate time of stage I0 U0 S7 S47 S87 0 10 300 s Set start value of stage U0b S8 S48 S88 2 0 80 0 x Un Operate time of stage U0b S9 S49 S89 0 10 300 s Additional angle ϕa of stage I0 I0 with the basic angle S10 1 S50 S90 0 90 Basic angle ϕb of stage I0 I0 S11 1 S51 S91 90 0 Angle correction ϕc of stage I0 ...

Страница 51: ... 999 Number of starts of stage I0 U0 V2 R 0 999 Number of starts of stage I0 U0 V3 R 0 999 Trip indication code V4 R 0 1 U0b 2 tb 3 I0 or U0 4 t0 5 I0 or U0 6 t0 9 CBFP Table 4 1 9 4 3 Recorded data Recorded data Event R Value n n 1 n 2 n 3 n 4 Zero sequence voltage U0 V11 V31 V51 V71 V91 0 400 x Un Earth fault current I0 V12 V32 V52 V72 V92 0 800 x In Earth fault current Iϕ V13 V33 V53 V73 V93 0 ...

Страница 52: ...0 Hz Station identification unit number M18 R W 0 9999 Rated frequency M19 R 50 or 60 Hz Station name M20 R W Max 16 characters Digital channel texts M40 46 R Analogue channel texts M60 61 R Analogue channel rated voltage and unit of primary voltage transformer M80 3 R W Factor 0 00 600 unit V kV e g 20 0 kV Analogue channel conversion factor and unit I0 M81 3 R W Factor 0 65535 unit A kA e g 10 0...

Страница 53: ...urbance recorder external triggering Event Weighting factor Default value of triggering mask V243 Default value of triggering edge V244 External BI 1 1 0 Not in use 0 0 Not in use 0 0 Not in use 0 0 Not in use 0 0 Not in use 0 0 Not in use 0 0 Not in use 0 0 Checksum 1 0 Table 4 1 9 4 7 Control parameters Description Parameter R W Value Unlatching output contacts V101 W 1 unlatch Clearing register...

Страница 54: ...6 Rear communication V202 W 1 rear connector activated Relay serial number V230 R ERxxxxxx CPU serial number V231 R MRxxxxxx Article number V232 R 1MRS091411 8 BAA Test date V233 R YYYYMMDD Software number V234 R 1MRS118015 Software revision V235 R A Z Software build number V236 R Date reading and setting RED 500 format V250 R W YY MM DD Time reading and setting RED 500 format V251 R W HH MM SS ss...

Страница 55: ...control the physical output contacts which can be connected to e g circuit breakers Table 4 1 9 4 8 Inputs Description Parameters R Value Measured residual voltage U0 I1 0 400 Measured earth fault current I0 I2 0 800 Measured directional earth fault current Iϕ I3 0 800 Measured phase angle ϕ I4 0 180 1 Binary input signal I5 0 or 1 Table 4 1 9 4 9 Output signals Status of the protection stages Sta...

Страница 56: ...vision system and describes the type of fault When a fault appears the code is to be recorded and given to an authorised repair shop when overhaul is ordered For fault codes refer to the Operator s Manual 4 1 11 Relay parameterization Local parameterization The parameters of the relay can be set either locally via the HMI or externally via serial communication with the Relay Setting Tool When the ...

Страница 57: ...fferent protection stages are routed to the output contacts with switches 1 and 2 of SGR1 SGR6 On delivery from the factory the trip signals from all the protection stages are routed to both PO1 and PO2 Output contacts SO1 and SO2 can be used for signalling on start and tripping of the relay The signals to be routed to output contacts SO1 and SO2 are selected with switches 3 and 4 of SGR1 SGR6 On ...

Страница 58: ... UHOD Table 4 2 1 1 Inputs for earth fault current and zero sequence voltage Terminal Function REJ 527B 411BAA REJ 527B 418BAA X1 1 1 Common Common X1 1 2 I0 1 A I0 5 A X1 1 3 I0 0 2 A I0 1 A X1 1 4 Common Common X1 1 5 Not in use Not in use X1 1 6 U0 U0 Table 4 2 1 2 Auxiliary supply voltage Terminal Function X2 1 1 Input X2 1 2 Input Rear527 ...

Страница 59: ... is used to connect the relay to a fibre optic SPA bus via opto cable 1MKC950001 1 Table 4 2 1 3 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 SO1 NC X2 1 9 SO1 NO X2 1 10 SO2 common X2 1 11 SO2 NC X2 1 12 SO2 NO Table 4 2 1 4 Internal Relay Fault IRF contact Terminal Function X2 1 13 Internal relay fault common X2 1 ...

Страница 60: ...ion 4 W 10 W Ripple in the dc auxiliary voltage Max 12 of the dc value Interruption time in the auxiliary dc voltage without resetting the relay 30 ms at 48 V dc 100 ms at 110 V dc 500 ms at 220 V dc Table 4 2 3 3 Energizing inputs Rated frequency 50 60 Hz 5 Hz Current input Rated current In 0 2 A 1 A 5 A Thermal withstand capability continuously 1 5 A 4 A 20 A for 1 s 20 A 100 A 500 Dynamic curre...

Страница 61: ... L R 40 ms at 48 110 220 V dc 5 A 3 A 1 A Minimum contact load 100 mA at 24 V ac dc Table 4 2 3 8 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 Table 4 2 3 9 Environmental tests Specified service temperature range 10 55 C Storage temperature tests 40 70 C accordin...

Страница 62: ...to earth 1 kV line to line Power frequency 50 Hz magnetic field IEC 61000 4 8 100 A m Voltage dips and short interruptions According to the IEC 61000 4 11 30 10 ms 60 100 ms 95 5000 ms Electromagnetic emission tests According to the EN 55011 and EN 50081 2 Conducted RF emission Mains terminal EN 55011 class A IEC 60255 25 Radiated RF emission EN 55011 class A IEC 60255 25 CE approval Complies with...

Страница 63: ... When the auxiliary voltage is connected the READY indicator LED on the front panel will be on For detailed information on power supply refer to table 4 2 3 2 The primary side of the power supply is protected with a fuse located on the PCB of the relay The fuse size is 3 15 A slow Table 4 2 3 12 Data communication Rear interface connector X2 2 RS 485 connection for the fibre optic interface module...

Страница 64: ...ticle nr 1MRS091411 BAA Order number I0 inputs 1 A 5 A REJ527B 418BAA Article nr 1MRS091418 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 Optic bus connection module 1MRS090701 RER 103 Opto cable 1MKC950001 1 ...

Страница 65: ...S 750616 MUM Directional or Non Directional Earth Fault Relay Technical Reference Manual REJ 527 65 6 References Other available manuals Operator s Manual 1MRS751055 MUM Installation Manual 1MRS750526 MUM ...

Страница 66: ... 43 Comtrade 41 Configuration 13 Connection diagram 9 Control parameters 53 72 Cos j characteristics 14 16 33 35 Counter 43 D Data communication 63 Design description 56 Dimensions 60 Directional earth fault current 14 Directional element 38 Disturbance recorder 11 39 52 Disturbance recorder data 39 E Earth fault current 14 16 17 Electromagnetic compatibility tests 61 Energizing inputs 60 Environm...

Страница 67: ...e 31 LCD 11 56 LED 12 38 56 LED test 39 Local parameterization 56 LON bus 42 M Master reset 41 Measurements 12 Measuring range 60 N New trip indication 36 Non directional earth fault current 14 Non volatile memory 11 36 O Operation direction 17 37 Ordering information 64 Output signals 55 P Parameterization 56 Parameters for the disturbance recorder 52 72 Password 11 49 Power outputs PO1 PO2 11 59...

Страница 68: ...cation 42 59 Setting groups 29 70 71 Settings 29 50 SGB1 35 SGF1 SGF5 31 SGR1 SGR6 35 57 Signal diagram 13 Signal outputs SO1 SO2 11 59 61 Sin j characteristics 14 33 35 SPA bus communication protocol 42 Switchgroups 30 T Technical data 60 Technical data on protection functions 37 Time current characteristics 20 W Weighting factor 30 Z Zero sequence voltage 14 18 ...

Страница 69: ...03 Standard IEC 60870 5 103 IRF Internal relay fault I0 Low set earth fault current stage I0 High set earth fault current stage LCD Liquid Crystal Display LED Light emitting diode LSG LON SPA Gateway SPA ZC 102 HMI Human Machine Interface PCB Printed Circuit Board PO1 PO2 Power outputs SGB Switchgroup for binary input SGF Switchgroups for functions SGR Switchgroups for output contacts SO1 SO2 Sign...

Страница 70: ...t value of stage U0 S46 2 0 80 0 x Un 2 0 x Un Operate time of stage I0 U0 S47 0 10 300 s 0 10 s Set start value of stage U0b S48 2 0 80 0 x Un 2 0 x Un Operate time of stage U0b S49 0 10 300 s 0 10 s Additional angle ϕa of stage I0 I0 with the basic angle S50 0 90 0 Basic angle ϕb of stage I0 I0 S51 90 0 90 Angle correction ϕc of stage I0 I0 with the Iϕ characteristic S52 2 7 2 Checksum SGF1 S53 ...

Страница 71: ...f stage U0 S86 2 0 80 0 x Un 2 0 x Un Operate time of stage I0 U0 S87 0 10 300 s 0 10 s Set start value of stage U0b S88 2 0 80 0 x Un 2 0 x Un Operate time of stage U0b S89 0 10 300 s 0 10 s Additional angle ϕa of stage I0 I0 with the basic angle S90 0 90 0 Basic angle ϕb of stage I0 I0 S91 90 0 90 Angle correction ϕc of stage I0 I0 with the Iϕ characteristic S92 2 7 2 Checksum SGF1 S93 0 31 0 Ch...

Страница 72: ...s 9 6 Operate time of the CBFP S121 0 10 1 00 s 0 10 Time setting for disabling new trip indications on the LCD S122 0 999 min 60 Table 9 4 Parameters for the disturbance recorder Information Parameter Setting range Default setting Customer s setting Post triggering recording length in percent V240 0 100 50 Internal trigger signals checksum V241 0 63 8 Internal trigger signal s edge V242 0 63 0 Ex...

Страница 73: ...27 73 10 Customer feedback Date To fax 358 10 224 1080 Category Comment Query Complaint In case of feedback related to a specific product please state the name of the product Product Description Initiator Issuer Company Country Telefax no e mail address If necessary additional pages may be enclosed ...

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Страница 76: ...ABB Oy Substation Automation P O Box 699 FIN 65101 VAASA Finland Tel 358 10 22 11 Fax 358 10 224 1094 www abb com substationautomation 1MRS 750616 MUM EN 07 2002 ...

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