ABB 511 Series, Instructions Manual

Page 1: ...E PHASE RELAYS INVERSE VERY INVERSE EXTREMELY INVERSE DEFINITE TIME TYPE 511 TYPE 51Y TYPE 51E TYPE 51D SHORT TIME LONG TIME LONG TIME INVERSE TYPE 51S TYPE 51L TYPE 51IM LONG TIME VERY INVERSE TYPE 51YM gown rK a BBC Brow a cuflvi A i SINGLE PHASE FOR RESIDUAL GROUND PROTECTION THREE PHASE FOR PHASE PROTECTION Courtesy of NationalSwitchgear com ...

Page 2: ...ent to setting the highest tap 11 Follow test instructions to verify that the relay is in proper working order CAUTtON Since troubleshooting entails working with energized equipment caution should be taken to avoid personal shock Only competent technicians familiar with good safety practices should service these devices Introduction Precautions Placing Relay into Service Testing While in Service A...

Page 3: ...irectional or voltage control by using an external supervisory contact connected to these terminals 6 amps X 8 48 amps Consequently an instantaneous trip will occur at 48 amps in phase one 1 of the relay TESTING IN SERVICE In general it is not necessary to schedule periodic maintenance of this relay However if a trip test is desired to confirm the proper functioning of the system the following pro...

Page 4: ...tap setting 5 10 ms or 10 whichever is larger 10 of pickup amps tap x dial setting INST PICKUP RATINGS APPLICATION DATA TEMPERATURE The Type 51 series of overcurrent relays provide overcurrent protection phase to phase or phase to ground They are designed to be operated by standard five 5 ampere secondary current transformers The output circuit trip circuit will operate conventional cir cuit break...

Page 5: ... specified however the burden voltage across the relay current inputterminals can be readily calculated for any given value of current transformer secondary current OUTPUT TRIP CIRCUIT RATINGS Max Current Amps DC Range of Operation Nominal Voltage 6 Cycles 1 Second Continuous 24 Vdc 32 Vdc 48 Vdc 125 Vdc 250 Vdc 175 Vdc 350 Vdc 18 30 24 40 28 60 70 140 140 280 100 195 200 385 1 0 TAP Roc Is x R V ...

Page 6: ...GET Vw l TT U towm Ce wc UMdl 1MST Not User to remove links Ly or L only if torque control contacts are to be used 1 Remove only Lx for torque control of 51 Time element 2 Remove only L for torque control of 50 Instantaneous element 2 3 in Three phase and ground with instantaneous 52 i 1 i i i i ii 6 5 4 3 2 1 12 M 10 9 0 7 1 u O O o o 6 5 4 3 2 FIGURE 1 Internal Connections and Typical External C...

Page 7: ...LD 06 3 05 Type 50 8 04 2 fc S 03 1 AJ 02 1 01 o o o o o o o 3 LT3 CD h QOO 0 o Tf LO CO r oocno o o LO co r ooo co CM o ro CM CM MULTIPLES OF INST SETTING TAP X INST DIAL TYPE 50 INSTANTANEOUS Oct 19 1971 TCC605807 6 5 4 3 3 C 2 1 TYPE 501 INVERSE INSTANTANEOUS Aug 29 1972 TCC605812 Courtesy of NationalSwitchgear com ...

Page 8: ...IB 7 2 1 7 1 PAGE 8 SOLID STATE OVERCURRENT RELAYS Courtesy of NationalSwitchgear com ...

Page 9: ...IB 7 2 1 7 1 PAGE SOLID STATE OVERCURRENT RELAYS Courtesy of NationalSwitchgear com ...

Page 10: ...IB 7 2 1 7 1 PAGE 10 SOLID STATE OVERCURRENT RELAYS Courtesy of NationalSwitchgear com ...

Page 11: ...IB 7 2 1 7 1 PAGE 11 SOLID STATE OVERCURRENT RELAYS Courtesy of NationalSwitchgear com ...

Page 12: ...IB 7 2 1 7 1 PAGE 12 SOLID STATE OVERCURRENT RELAYS Courtesy of NationalSwitchgear com ...

Page 13: ...9 8 6 5 300 4 3 2 o X 00 O o 60 2 9 O X o 8 00 LU 7 OJ 00 2 6 o 5 LU 30 o 5 4 h 3 2 1 6 09 5 08 07 06 4 05 3 04 2 03 02 1 01 CM in co r coo o co o o o o o o oo o in co rs ooo o in co r coo o CM CO o CM CURRENT IN MULTIPLES OF SETTING TYPE 51IM LONG TIME INVERSE TCC605813 MAR 26 1974 Courtesy of NationalSwitchgear com ...

Page 14: ...1 PAGE 14 SOLID STATE OVERCURRENT RELAYS 1800 600 300 60 o X CO UJ 30 o o 6 5 4 3 2 o o CN CURRENT IN MULTIPLES OF SETTING TYPE 51YM LONG TIME VERY INVERSE TCC605811 JULY 6 1972 Courtesy of NationalSwitchgear com ...

Page 15: ...IB 7 2 1 7 1 PAGE 15 SOLID STATE OVERCURRENT RELAYS Courtesy of NationalSwitchgear com ...

Page 16: ...IB 7 2 1 7 1 PAGE 16 SOLID STATE OVERCURRENT RELAYS Courtesy of NationalSwitchgear com ...

Page 17: ...s OMHCNSION3 ARC JjSP Fig 2 Overcurrent Relay Outline and Drilling Use the following conversion table to convert 60 Hz curves to 50 Hz operation This conversion applies only to relays rated 50 60 Hz FREQUENCY RATING Type51seriesrelays with anameplateratingof 50 60 Hz are suitable for operation at either frequency how ever the time current curves shown on pages 7 16 apply only to 60 Hz operation To...

Page 18: ...ngineer or contact the factory These relays have an SCR thyristor as the output stage This output SCR may be ordered from the factory part no 605211 006 Replacement target head assembly may be ordered should the target be mechanically dam aged Also available from the factory are circuit card ex tenders All these relays use the 10 point extender catalog 200X0010 2 HIGH POTENTIAL TESTS Do not apply ...

Page 19: ...sing the RESET pushbutton INST Pickup 1 Set INST dial to required value 2 With DC off preset current to 90 of required value TAP X INST DIAL 3 With DC on apply testcurrent Relay should nottrip on INST i e no INST target indication 4 With DC off preset test current to 110 of required value 5 With DC on apply test current Relay should trip giving INST target 6 Reset target by pressing the RESET push...

Page 20: ...ce Testing STATES resistance bank 33560 R Table 2 Reactance Testing G E reactor 6054975 Table 3 MULTI AMP Unit SR 51 test set CONSULT FACTORY FOR TEST CURRENT CORRECTIONS TO BE USED FOR TEST SETS NOT LISTED IN THIS APPENDIX TABLE 1 CIRCUIT SHIELD OVERCURRENT RELAY TEST CURRENT CORRECTION RESISTANCE TESTING 120 VOLT SOURCE FIXED STATES 33560 R 4 12 AMP TAP RANG 2 TEST CURRENT MULT 0 5 2 AMP IANGE 9...

Page 21: ...51 Test Set see page 15 CIRCUIT SHIELD OVERCURRENT RELAY TEST CURRENT CORRECTION MULTI AMP TEST SET 80 VOLT TAP use data to left of bold line 40 VOLT TAP use data to right of bold line MULTI AMP SR 51 SR 76 0 5 TAP l AMP LANGE 4 i 2 AMP TA RANG TEST CURRENT MULT 1 5 6 AMP TAP RANGE 0 5 0 6 0 8 1 0 1 2 1 5 2 0 3 2 5 4 5 6 10 12 7 8 T 0 50 0 60 PICKUP 0 80 1 00 1 20 1 50 2 00 2 50 3 00 4 00 5 00 6 0...

Page 22: ... 2 1 7 1A page 2 Precaution 9 as applicable to the 423 series should read 9 The entire assembly of the overcurrent relay is removable This assembly should insert smoothly Do not use excessive force CONNECTIONS Typical external connections are as shown in Fig 1 page 6 of IB 7 2 1 7 1A NOTE that while the same numbered connection points are used in the 423 series units their relative position on the...

Page 23: ...access to all external circuits wired to the case See Instruction Book IB 7 7 1 7 8 for details on the use of this device Note the X51C Overcurrent Relay Test Accessory is not compatible with 423 series units MAINTENANCE Should separation of the upper andlower circuit boards be necessary remove 2 screwsthat attach the left and right handle assemblies to the upper printed circuit board The lower bo...