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1MRS 750660-MUM EN

Issued 97-02-24
Version A (replaces 34 SPAJ 20 EN1)
Checked
Approved

Data subject to change without notice

Station

Automation

SPAJ 131 C

Overcurrent relay

Contents

Features .......................................................................................................................... 2
Application ..................................................................................................................... 3
Description of operation ................................................................................................. 3
Connections ................................................................................................................... 4
Configuration of output relays ....................................................................................... 6
Start and operation indicators ......................................................................................... 7
Combined power supply and I/O module ...................................................................... 7
Technical data ................................................................................................................ 8
Examples of application ................................................................................................ 10
Secondary injection testing ........................................................................................... 18
Maintenance and repair ................................................................................................ 22
Spare parts .................................................................................................................... 22
Ordering numbers ........................................................................................................ 22
Dimensions and instructions for mounting .................................................................. 23
Order information ........................................................................................................ 23

The complete manual for the three-phase overcurrent relay SPAJ 131 C includes
the following partial manuals:

Overcurrent relay SPAJ 131 C, general description

1MRS 750660-MUM EN

Three-phase overcurrent relay module SPCJ 3C3

1MRS 750602-MUM EN

General characteristics of C-type relay modules

1MRS 750328-MUM EN

Features

Three-phase low-set phase overcurrent stage
with definite time or inverse time characteristic

High-set phase overcurrent stage with definite
time characteristic

Both overcurrent stages can be blocked by an
external control signal

Output relay functions freely configurable for
desired operation

Flexible adaptation of relay to specific applica-
tions

Local numerical display of setting values, meas-
ured values and recorded fault values

Serial interface for two-way data communica-
tion over fibre-optic bus between relay and
substation and/or remote control systems

Continuous self-supervision of hardware and
software, including auto-diagnostics

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Содержание SPAJ 131 C

Страница 1: ...No SPAJ 131 C 2 5 1028D fn 50Hz 60Hz 1 2 3 4 5 t t n I I n I n I t t Uaux 80 265V 18 80V n I 1A 5A SPCJ 3C3 REGISTERS 0 0 0 0 1 2 3 4 5 6 7 8 0 1 SGR L1 IRF I L2 I L3 I I 1309 s k t 0 5 0 05 1 0 13 2 5 0 5 0 04 1 0 0 5 1 5 2 5 STEP RESET SG1 0 1 1 2 3 4 5 6 7 8 20 STEP I n I I n I I t s I I SPCJ 3C3 B ...

Страница 2: ...nuals Overcurrent relay SPAJ 131 C general description 1MRS 750660 MUM EN Three phase overcurrent relay module SPCJ 3C3 1MRS 750602 MUM EN General characteristics of C type relay modules 1MRS 750328 MUM EN Features Three phase low set phase overcurrent stage with definite time or inverse time characteristic High set phase overcurrent stage with definite time characteristic Both overcurrent stages ...

Страница 3: ...the overcurrent relay starts When at definite time operation the set operate time t or at inverse definite minimum time IDMT operation the calcu lated operate time t expires the relay operates In the same way the high set stage starts once its set start value I is exceeded and when the set operate time t expires the relay operates The low set stage of the overcurrent relay can be given either defi...

Страница 4: ...r signal on relay operation U1 Three phase overcurrent relay module SPCJ 3C3 U2 Power supply and I O module SPTU 240S1 or SPTU 48S1 U3 I O module SPTE 3E4 SERIAL PORT Serial communication port SPA ZC_ Bus connection module Rx Tx Optical fibre receiver terminal Rx and transmitter terminal Tx of the bus connection module L1 L2 L3 0 Ι 0 Ι 6 8 7 3 2 4 5A 1A 5 SGR 1 SPAJ 131 C U2 U3 U3 1 1 1 1 D C B A ...

Страница 5: ...Under normal conditions the contact interval 70 72isclosed Whentheauxiliaryvoltagedisappearsoraninternalfaultisdetected the contact interval 71 72 closes Protective earth terminal Made in Finland 1 2 3 4 5 6 7 8 9 70 71 72 61 62 65 66 68 69 80 81 77 78 10 11 TTL B470372 Rx Tx In single phase applications it is recommended that the energizing current is routed through two energizing inputs of the r...

Страница 6: ...output relay D 1 SGR 3 Routes the start signal of the I stage to output relay D 1 SGR 4 Routes the trip signal of the I stage to output relay D 1 SGR 5 Routes the trip signal of the I stage to output relay C 1 SGR 6 Routes the trip signal of the I stage to output relay A 1 SGR 7 Routes the trip signal of the I stage to output relay C 1 SGR 8 Routes the trip signal of the I stage to output relay B ...

Страница 7: ...a tion indicator I and I located in the right bottom corner of the front plate of the relay module Yellow light indicates that the concerned stage has started and red light that the stage has operated tripped With the SG2 software switchgroup the start and trip indicators can be given a latching function whichmeansthattheLEDsandthe output relay remain lit although the signal that caused operation ...

Страница 8: ...rcuit time constant L R 40 ms at the control voltages 220 V dc 1 A 110 V dc 3 A 48 V dc 5 A Contact material AgCdO2 Signalling contacts Terminals 70 71 72 77 78 80 81 Rated voltage 250 V ac dc Carry continuously 5 A Make and carry for 0 5 s 10 A Make and carry for 3 s 8 A Breaking capacity for dc when the signalling circuit time constant L R 40 ms at the control voltages 220 V dc 0 15 A 110 V dc 0...

Страница 9: ...plastic fibre cables SPA ZC 17 BB for glass fibre cables SPA ZC 17 MM Test voltages Dielectric test voltage IEC 255 5 2 kV 50 Hz 1 min Impulse test voltage IEC 255 5 5 kV 1 2 50 µs 0 5 J Insulation resistance IEC 255 5 100 MΩ 500 V dc Disturbance tests High frequency 1 MHz disturbance test IEC 255 22 1 common mode 2 5 kV differential mode 1 0 kV Electrostatic discharge test IEC 255 22 2 and IEC 80...

Страница 10: ...r protecting the outgoing feeder of medium voltage distribution switchgear and in example 3 it is used for the busbar short circuit protection Theshortcircuitprotectionisbasedonblockings between successive protection stages In such an arrangement the relay located closer to the fault gives when starting a blocking signal back wards to the relay that is closer to the object supplying the short circ...

Страница 11: ...eder of the distribution switchgear The low set stage is set to extends to the next protection stage The setting of the low set stage should be selected so as to ensure that the protection operates selectively together with the fuses on the outgoing feeders The high set stage is set to operate at close by short circuits Separate protection for the low voltage switch gear is important if there are ...

Страница 12: ...such a case the protection relay trips the circuit breaker relatively quickly even though the short circuit current exceeds the rated cur rent of the feeder only slightly A normal inverse characteristic does not permit very heavy over loads The very inverse characteristic is an intermedi ate form between normal inverse and extremely inverse In a short circuit situation the operate time is rather s...

Страница 13: ... 1 2 3 4 6 7 8 9 10 11 61 62 70 71 72 77 78 80 69 65 SGR IRF START1 SIGNAL1 TRIP2 TRIP1 IRF BS SPA ZC_ Rx Tx TS2 TS1 SGB SS1 SS2 U1 5 4 I O 3I t t k 3I 1 SERIAL PORT 1 Blocking signal to the overcurrent module of the busbar system Fig 6 Overcurrent relay SPAJ 131 C protecting an outgoing feeder in a distribution substation The selector switch settings are shown in the table on the next page ...

Страница 14: ...1 0 0 not in use 0 no blocking from feeders 2 0 0 not in use 1 I start to output relay D 3 0 Def time charact 0 not in use 0 no I start to output relay D 4 0 no self holding 0 no blocking to t 0 no I trip to output relay D 5 0 no I doubling 0 no blocking to t 0 no I trip to output relay C 6 0 I 2 5 20 x In 0 not in use 1 I trip to output relay A 7 0 0 not in use 1 I trip to output relay C 8 0 0 no...

Страница 15: ... the high set stage is used for protecting the busbar system The operation of the busbar protection is based on blocking signals received from the relay modulesoftheoutgoingfeeders Ifafaultoccurs on an outgoing feeder the overcurrent relay module of the feeder sends a blocking signal to the overcurrent module of the infeeder cubicle Should however the fault be on the busbar there will be no blocki...

Страница 16: ...tarted signal SS2 Then the left most digit of register 0 of the overcurrent module is 2 which means that the tripping of the high set stage is blocked In this example the operation of the low set stageoftheovercurrentrelayisbasedondefinite time characteristic but inverse time characteris tic is possible as well The selector switches of the phase overcurrent relay SPAJ 131 C can be set as follows W...

Страница 17: ...e current level may be high enough to start the relay and the value conse quently stored in register 1 In this case the current value recorded at the previous tripping is also stored in auxiliary register 1 and available for the analysis of the fault situation Thelevelofthefaultcurrentisdirectlyindicated by the register values If for instance the value is 5 0 after tripping the highest value for a...

Страница 18: ...connected either through dis connectable terminal blocks or a test plug fitted on the relay DANGER Do not open the secondary circuit of a cur rent transformer during testing if the pri mary circuit is live The high voltage pro duced by an open CT secondary circuit could be lethal and may damage measuring instru ments and insulation When the auxiliary voltage is connected to the protectionrelay the...

Страница 19: ...77 78 80 69 65 SGR IRF START1 TRIP2 TRIP1 IRF BS TS2 TS1 SGB SS1 SS2 U1 I O 3I t t k SIGNAL1 A 4 5 3I Fig 8 Secondary injection test connection for the overcurrent relay SPAJ 131 C When the test connection has been finished and the selector switches properly set the auxiliary voltage can be connected to the relay The correctness of the test connection can be verified by using a multimeter ...

Страница 20: ...g is read on the ammeter Operate time Definite time characteristic The operate time of the overcurrent relay is measuredatatestcurrentequalto2xthesetting value of stage I The timer is started by closing switch S1 and stopped by contact 65 66 on operation of output relay A The operation of output relay C is indicated by lighting of LED L3 When the relay starts the yellow indicator I in the right bo...

Страница 21: ... 69 when output relay B operates N B High test currents are permitted for short durations only because the wires terminals and the matching transformers of the relay have a limitedcurrent carryingcapability Thetestleads should have an area of 4 mm2 Then a current of 100 A can be connected to a 1 A energizing input for 1 s and to a 5 A energizing input for 10 s Testing of high set stage Testing of ...

Страница 22: ...ctronic circuitry are to be taken by the manufacturer Please contact the manufac turer or his nearest representative for further information about checking overhaul and recalibration of the relay Note The protection relays contain electronic circuits which are liable to serious damage due to elec trostatic discharge Before withdrawing a mod ule from the relay case ensure that you are at the same e...

Страница 23: ...quirements Order information The relay case is made of profile aluminium and finished in beige A rubber gasket fitted on the mounting collar provides an IP54 degree of protection between relay case and mounting panel when the relay is flush mounted The hinged cover of the relay case is made of a clear UV stabilized polycarbonate and pro vided with a sealable fastening screw A gasket along the edge...

Страница 24: ...tion Management Network Management Station Automation Panorama is the standard for a comprehensive range of integrated solutions for efficient and reliable management of power networks Using innovative information technology Panorama delivers total control of the power process from generation to consumption The Panorama standard covers six application areas each offering specific solutions ...

Страница 25: ...ion SPCJ 3C3 Overcurrent relay module L1 IRF I L2 I L3 I I 1309 s k t 0 5 0 05 1 0 13 2 5 0 5 0 04 1 0 0 5 1 5 2 5 STEP RESET SG1 0 1 1 2 3 4 5 6 7 8 20 STEP I n I I n I I t s I I SPCJ 3C3 B ABB Substation Automation Products and Systems ...

Страница 26: ... definite minimum time IDMT operation characteristic High set current stage I with instantaneous operation or definite time operation character istic Bothovercurrentstagescanbeblockedbymeans of an external control signals from cooperating protection relays Digital display of measured and set values re corded fault values operation indications and fault messages Comprehensiveserialcommunicationcapa...

Страница 27: ...quired operation characteristic is selected with switch SG1 3 At definite time character istic the operation time t can be selected within one of the three available setting ranges of the stage The operation time setting range is se lected with switches SG1 1 and SG1 2 When inverse time characteristic IDMT is used four time current curve groups with different slopes of inversity are available The ...

Страница 28: ...up on the PC board and starting signal selector switchgroup for the auto reclose functions SS1 Start signal of stage I TS1 Trip signal of stage I SS2 Start signal of stage I TS2 Trip signal of stage I AR1 AR2 Start signals for auto reclose functions Y Yellow indicator starting R Red indicator tripping NOTE All input and output signals of the relay module are not necessarily wired to the terminals ...

Страница 29: ...current stage starts and turning red when the stage operates When the protection stage returns to normal the yellow indication remains lit The indicators that have been given the manual reset mode are reset by pushing the RESET push button or by the command V101 or V102 via the serial interface The function of the relay module is not affected by an unreset operation indicator When the display of t...

Страница 30: ...plier k is 0 05 1 00 I In SetstartingcurrentofstageI asamultipleoftheratedcurrentIn oftheenergizinginput used Setting range 2 5 20 0 x In when SG1 6 0 and 0 5 4 0 x In when SG1 6 1 Additionally the setting infinite displayed as can be selected rendering the high set stage I inoperative t s The set operation time of stage I expressed in seconds The setting ranges 0 04 1 00 s 0 4 10 0sand4 100s ared...

Страница 31: ...in on output relay energized although the energizing input signal falls below the starting level The latched tripping signals are reset by pressing the push buttons STEP and RESET simultaneously or with the command V101 When the STEP and RESET push buttons are pushed the recorded values are erased as well SG1 5 Selection of automatic doubling of the setting value of the high set overcurrent stage ...

Страница 32: ...dicatorsofthelow set and the high set overcurrent stage can be given self reset mode of operation or latching mode of operation The selection is made by means of a checksum which is calculated from the table below Normally the start indications are self reset and the operation indications latching If the checksum of switchgroup SG2 0 no LED indications are obtained after a fault i e no start or op...

Страница 33: ...witches 1 3 are used for selecting the starting signals for a possible auto reclose module whereas switches 4 8 are used for routing blocking signals to the overcurrent module in various protection relays The functions of the selector switchgroup SGB is described in the general part of the manual of the concerned protection relay Measured data The measured values are displayed by the rightmost thr...

Страница 34: ...terwhichthusalwayscontainsthevaluefromthelateststarting When the stage has operated the counter reading is 100 5 Duration of the latest starting situation of stage I as a percentage of the set operating time t A new starting resets the counter which thus always contains the value from the latest starting When the stage has operated the counter reading is 100 0 Display of blocking signals and other...

Страница 35: ...he numbers 0 255 is scrolling in the display 3 Password required for the remote control of relay settings Display dark By pressing the STEP push button the starting point of the display menu obtained The values of the registers 1 5 are erased by pressing the push buttons STEP and RESET simultaneously or with the command V102 The register values are also erased if the auxiliary power supply of the ...

Страница 36: ...rrent of stage I 2 Remotely set checksum of SG1 1 Remotely set checksum of SG1 2 Remotely set start current value I x p3 Remotely set value t x p2 or k x p2 Remotely set start current value I x p1 Remotely set percentage p3 Remotely set percentage p2 Remotely set percentage p1 1 Number of starts of the low set stage I 2 3 Duration of the last start event of stage I 5 4 Status of the external block...

Страница 37: ...2 34 E 5 1 13 E 1 26 E 1 48 E 1 26 E 7 1 00 E 10 1 01 E 1 01 E 1 02 E 20 1 00 E 1 00 E 1 00 E Over the normal current ranges the inverse time stage of the overcurrent module SPCJ 3C3 complies with the tolerances of class 5 for all four characteristics The time current characteristics specified in the standards are illustrated in Fig 3 4 5 and 6 Time current characteristics The operation of the low...

Страница 38: ...ely inverse characteristic I measured current I set start current t operation time k time multiplier 1 3 4 5 6 7 8 9 10 2 20 I I 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 ...

Страница 39: ...rent I set start current t operation time k time multiplier 1 2 3 4 5 6 7 8 9 10 20 I I 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 ...

Страница 40: ... current I set current t operation time k time multiplier 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 I I 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 ...

Страница 41: ...red current I set start current t operation time k time multiplier 1 2 3 4 5 10 20 6 7 8 9 I I 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 ...

Страница 42: ...30 ms Drop off pick up ratio typically 0 96 Operation time accuracy at definite time operation characteristic 2 of set value or 25 ms Operation time accuracy class E at inverse time mode of operation 5 Operation accuracy 3 of set value High set overcurrent stage I Start current I 2 5 20 0 x In infinite or 0 5 4 0 x In infinite Start time typically 40 ms Operation time t 0 04 1 00 s 0 4 10 0 s or 4...

Страница 43: ...ent codesoftherelaymoduleSPCJ3C3aredenoted E1 E8 E50 and E51 Additional event codes i e E52 E54 aregeneratedbythecontroldata communicator These event codes are for in stance related to the data communication The event codes E1 E8 and the events repre sented by these can be included in or excluded from the event reporting by writing over the SPA bus an event mask V155 to the relay module The event ...

Страница 44: ... I tripped Starting of stage I O3 R 0 stage I not started 1 stage I started Tripping of stage I O4 R 0 stage I not tripped 1 stage I tripped Alerted start value for stage I S1 R 0 5 2 5 x In Alerted operation time for stage I S2 R 0 05 100 s or time multiplier k 0 05 1 00 Alerted start value for stage I S3 R 0 5 20 x In 999 infinite Alerted operation time for stage I S4 R 0 04 100 s Alerted checks...

Страница 45: ...3 x In Resetting of output relays and V101 W 1 output relays and operation operation indicators indicators are reset Resetting of output relays and V102 W 1 output relays and operation operation indicators and erasing indicators are reset and of recorded data registers codes V1 V7 are erased Remote control of settings V150 R W 0 setting with knobs S11 S15 alerted 1 remote settings S31 S35 alerted ...

Страница 46: ...ns of the L command When required the B command can be re peated The set values S1 S5 are the alerted set values currently used by the relay These values can be set either by means of the setting knobs and selector switches or by remote control The values S11 S15 are set with the setting knobs and the switches of the relay module The values S21 S25 are percentage factors to be multi plied by the s...

Страница 47: ...If the low set overcurrent stage operates the value of register V6 is updated with regard to the codes 1 2 and 4 only If the high set overcurrent stage oper ates only the codes 16 32 and 64 are updated A new value always erases the old recorded value Register V6 can be set to zero either by pushing the buttons STEP and RESET simultaneously orbygivingthevariableV102thevalue1viathe SPA bus Fault cod...

Страница 48: ...1MRS 750602 MUM EN ABB Substation Automation Oy P O Box 699 FIN 65101 VAASA Finland Tel 358 0 10 22 4000 Fax 358 0 10 22 41094 ...

Страница 49: ... Setting knob 1 with indicator Stage 1 Setting knob 2 with indicator Setting knob 3 with indicator Stage 2 Setting knob 4 with indicator Self supervision alarm indicator Internal Relay Fault Display 1 3 digits Step push button STEP Programming switches SG1 Switchgroup indicator Reset push button RESET Start operation indicators General characteristics of C type relay modules ABB Substation Automat...

Страница 50: ...ality See section Display Programming switches SG1 Part of the settings and the selections of the operating characteristics for the relay modules in various applications are made with the pro grammingswitchesSG1onthefrontpanel The indicator of the switchgroup glows when the checksum of the switchgroup is shown on the display The checksum can be used for checking that the switches are properly set ...

Страница 51: ...he measured set or stored value and the digit at the extreme left red the number of theregister Themeasuredorsetvaluedisplayed is indicated by a yellow LED indicator The number of the register glows only when a stored value is displayed When the auxiliary voltage is connected to a measuring relay module the module initially tests the display by stepping through the digits 1 9 for about 15 seconds ...

Страница 52: ...they are displayed by pressing the STEP button In addition to the setting knob settings the main menu contains the measured current values as well as the registers 1 5 as well as 0 and A The remote setting percentage and remote setting value are located in the submenus for the settings and are activated on the display by pressing the RESET button Setting mode Theregistersofthemainmenuandthesubmenu...

Страница 53: ...the memory of the relay module by pressing the RESET and STEP button simultaneously At the moment the information enters the memory the three green dashes flash in the display i e A i Leave the setting mode by pressing the RESET button for about 10 s until the display stops flashing j Then enter submenu 1 of register A by pressing the RESET button for approx one second The register address A is th...

Страница 54: ... g external blocking signals and status information for the circuit breaker The codes are explained in the descriptions of the relay modules Register A contains the address code of the relay moduleasrequiredbytheserialcommunication system Example 1 on page 4 shows how the address code is altered Submenu 1 of register A contains the data transfer rate value expressed in kilobaud for the serial comm...

Страница 55: ...activated by simultaneouspressingofthepush buttonsSTEP and RESET The signal remains activated as long as the two push buttons are being pressed Theself supervisionoutputisactivatedbypress ingtheSTEPbuttononcewhennosettingknob indicator is flashing The IRF output is acti vated in about 5 seconds after pressing of the STEP button and resets after that Simultane ously the display returns to the main ...

Страница 56: ...to activate tripping of stage 1 e g the I stage of the overcurrent module SPCJ 3C3 The indicator of the concerned stage starts glowing red f Starting and tripping of the second stage is activated in the same way as stage 1 The indica torofthethirdorfourthsettingstartsflashingto indicate that the concerned stage has been acti vated g To activate the self supervision output step to wards the test po...

Страница 57: ...h a self supervision sys tem which continuously supervises the function of the microprocessor its program execution and the electronics When the self supervision system has detected a permanent fault in the relay module the red IRF indicator on the panel starts glowing soon after the fault was discovered At the same time the module puts forward a signal to the self supervision contact of the relay...

Страница 58: ...10 ...

Страница 59: ...11 ...

Страница 60: ...1MRS 750328 MUM EN ABB Substation Automation Oy P O Box 699 FIN 65101 VAASA Finland Tel 358 10 22 4000 Fax 358 10 22 41094 ...

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