GE IBCG51M*Y1A Series Instruction Manual Download | Manualshive

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Summary of Contents for IBCG51M*Y1A Series

Page 1: ...22E INSTRUCTIONS GROUND DIRECTIONAL OVERCURRENT RELAYS TYPES IBCG51M IBCG51M Y1A I BCG52M IBCG53M IBCG53M Y1A IBCG54M IBCG77M I BCG78M GE Protection and Control 205 Great Valley Parkway Malvern PA 193...

Page 2: ...PAGE 3 DIRECTIONAL UNIT 17 4 CURRENT POLARIZATION 17 5 POTENTIAL POLARIZATION 17 6 INSTANTANEOUS UNIT 17 7 INSTALLATION 17 7 LOCATION 17 8 MOUNTING 18 8 CONNECTIONS 18 8 INSPECTION 18 8 CAUTION 18 9...

Page 3: ...ir associated control springs Those relays having the designation Y1A following the model number also contain a Hi Seismic instantaneous overcurrent unit of the hinged armature construction The IBCG52...

Page 4: ...ared to polarization from a source of voltage or current alone The differences between the various models covered by this instruction book are shown in Table I Inverse time relays should be used on sy...

Page 5: ...behind the relay as well as at the remote terminal because the unit is non directional The unit should be set with a suitable amount of margin above the maximum external fault current The effects of...

Page 6: ...4 0 IBCG51M IBCG51M Y1A Rating 1 6 1 8 2 0 2 1 2 3 2 7 3 0 3 5 4 0 4 5 5 0 IBCG5 M Amps IBCG53M IBCG53M Y1A 4 0 4 5 5 5 5 5 6 0 7 0 7 5 9 0 10 0 11 0 13 0 IBCG54M IBCG77M IBCG78M 3 5 3 7 4 0 4 5 5 0...

Page 7: ...r operation on either one of two ranges H or L Selection of the high or low range is accomplished by the positioning of leads T and E at terminal 6 See Table VI and the applicable internal connections...

Page 8: ...mum control voltage provided the current does not exceed 30 amperes at the maximum control voltage If the tripping current exceeds 30 amperes the connec tions should be arranged so that the induction...

Page 9: ...te repeatedly within 1 or 2 of the same time The time current characteristic of the Hi Seismic instantaneous unit is shown by Figure 18 and its transient overreach characteristic is shown by Figure 19...

Page 10: ...other taps at pickup current tap rating varies inversely approximately as the square of the current rating Example for the Type IBCG51M relay 0 5 4 amperes the impedance of the 0 5 ampere tap is 22 o...

Page 11: ...rol the time overcurrent unit are shown in Figure 20 They are of the low gradient type specially constructed to minimize the effects of vibration Both the stationary and moving contact brushes are mad...

Page 12: ...seal in unit operates it raises a target into view which latches up and remains exposed until manually released by pressing the button located at the lower left corner of the cover INSTANTANEOUS UNIT...

Page 13: ...t the shorting bars are in the proper location s as shown by the internal connec tions diagrams Figures 5 to 9 inclusive and that the main brush is properly formed to contact the shorting bar MECHANIC...

Page 14: ...ent relays is affected by non sinusoidal waveforms TARGET AND SEAL IN UNIT The target and seal in unit has an operating coil tapped at 0 2 and 2 0 amperes When used with trip coils operating on curren...

Page 15: ...er secondary winding 2 Remove the tap screw and place it in the tap marked for the desired pickup current 3 Replace the connecting plug The minimum current required to rotate the disk slowly and to cl...

Page 16: ...maximum amount to close the contacts and therefore this setting gives the maximum time setting The primary adjustment for the time of operation of the unit is made by means of the time dial However fu...

Page 17: ...djustable core located at the top of the unit To set the instantaneous unit to a desired pickup loosen the locknut and adjust the core Turning the core clockwise decreases the pickup turning the core...

Page 18: ...he main brushes do This will prevent CT secondary circuits from being opened Refer to Figure 21 OPERATION Before the relay is put into service it should be given a check to determine that factory adju...

Page 19: ...system it is important that a periodic test program be followed It is recognized that the interval between periodic checks will vary depending upon environment type of relay and the users experience...

Page 20: ...that the disk shaft has about 1 64 inch end play Contact Adjustment The contacts should have about 1 32 inch wipe That is the stationary contact tip should be deflected about 1 32 inch when the disk...

Page 21: ...ft thus depressing the spring mounted jewel until the cup strikes the iron The shaft should move about 1 16 inch Cup and Stator Should it be necessary to remove the cup type rotor from the directional...

Page 22: ...as Torque Adjustment Connect the current operating and current polarizing coils in series by connecting a jumper across terminals 5 and 8 Apply current to terminals 4 and 7 and adjust the directional...

Page 23: ...be used This consists of a flexible strip of metal with an etched roughened surface resembling in effect a superfine file The polishing action is so delicate that no scratches are left yet corroded m...

Page 24: ...GEK 49322 Figure 1 8043458 Type IBCG51M y1A or the IBCGS3M ylA Relay in its Case Front View 24 ovacunhNl...

Page 25: ...LO GRADIENT CONTACT DIRECTIONAL UNIT UPPER PIVOT AND LOCKING SCREW i CLUTCH ADJUSTING SCREW _CONTACT STOP SCREW MOVING CONTACT Figure 2 8043459 Type IBCGS1M Y1A or the IBCG53M Y1A Relay Removed from C...

Page 26: ...GEK 49822 THYRFrE DISK ____c 2 Figure 3 8043450 Type IBCG51M yJA or the IBCG53M yJA Relay Removed from Case Rear View 26...

Page 27: ...GEK 49822 THYRITE DISK_ Figure 4 8043461 Type IBCG77M or IBCG78M Relay Removed from Case Rear View 27 C 4 _________ TOC RESISTOR rd C 2...

Page 28: ...UND L SHADING L_______ COILS TCC 1 51 SEAL tN UNIT TOC TIME OVERCURRENT UNIT D DIRECTIONAL UNIT Figure 5 0269A3061 O internal Connections for IBCG5IM and 113CG53M Relays Front View I I C2 0 POT POL I...

Page 29: ...NEOUS UNIT SI SEAL IN UNIT TOC TINE OVERCUIRENT UNIT 0 DIRECTIONAL UNIT GE K 49822 Figure 6 0269A3062 O Internal Connections for IBCG51M Y1A and IBCG53M Y1A Relays Front View 29 CIJ OPL CI PI 11TOC C2...

Page 30: ...E OVEkCI kENT I NIT PIRFTIONL JNJT GEK 49822 SHORT FINGER D p o 10L Figure 7 0273A9194 0 Internal Connections Diagram for the IBCG52M A and the IBCG54M A Relays Front View 30 r ICC WOUND D I J Al IN i...

Page 31: ...E OvERcuFRENT DIRECTIONAL UNIT GEK 49822 q P3 p4 D POT P CL Figure 8 0269A3063 O Internal Connections for IBCG77M Relay Front View 11 TOC WOUND S H U IN COIL TOC Ts1 D CURR POL TH YRIT C SI TO C 0 G U...

Page 32: ...GEK 49822 Sl SEAL IN UNIT TOC TIME OVERCURF ENT UNIT D DIR CTIONAL UNFT SHORT FINGLR Figure 9 0127A9424 O Internal Connections Diagram for the IBCG78M A Relay Front View Cl D P2 P1 C2 D FOL 32...

Page 33: ...IRECTIONAL UNIT T S1 TARGET AND SE L IN tJNfl 2Ii ST Figure 10 0273A9051 0 Typical External for Relay Types IBCG51M 2 53M 33 Connections or 77M Diagram 1 2 3 PHASE SBUECE 1 2 3 OR 3 2 1 LLu Lu 6V5 A U...

Page 34: ...STUDS 7ANO8 7N TSI 7N j7N TOC 21 SI TRIP Figure 11 0273A9052 O for Relay Type Typical External Connection Diagram IBCG5IM Y1A or 53M Y1A 34 GEK 49822 PHASE SEQUENCE I 2 30R 3 2 I b Q L clL ft NOTES PH...

Page 35: ...e IBCG52M 54M and the 78M Relays 1 2 3 GEK 49822 1 1 PHASE SEQUENCE 1 2 3 OR 3 2 1 1VJ IF PCTU TIA1 D O ARIAT3O IS USED CCNTLTCDJTCC IF POTENTIAL POT ITICJ IS OT t SFJ C 1iCT C TO D UuL 321 67N 67 91...

Page 36: ...0362A0684 1 A Typical Comparison of Current Potential or Dual Polarization Showing Effect of Local Ground Impedance on Directional Unit of Type IBCG Relay O o C1 jr 0 j O 0 0 C 0 0 0 0 0 0 0 t I tO t...

Page 37: ...HICH 0 LAGS ANGLE BY WHICH I LAGS Ep POLARIZING VOLTAGE I POLARIZING CURRENT CURRENT Figure 14 0376A0934 O Time Characteristic of Dual Polarized Directional Unit of Type IBCG Relay 37 I LIL P1CX UP EE...

Page 38: ...I I I toI0I 0 00 Or DC IL a 4 I ID II 0 0 C liii II I 4 3 m 0 C lb H i E E V C L 8 6 0I I I iFE E tIL tltt 1 1 z EEEE EEE EE E E I In z in 0 5 I Mi J10111i JrOv 01 il0flHI1HO ill 111l1 01 ViI0flIy Il...

Page 39: ...ime current Characterisitc of Very Inverse Time Overcurrent Unit I X1FCF F 1 f CC FPIF TIE tIU T TIS L 20 2 3 0 4 0 S 0 0 Ci 7 0 0 IC 12 2 0 2 5 3 0 0 0 0 C 0 7 D 8 C 10 0 12 16 DJLS WIN CONTI NL0LiSY...

Page 40: ...880274 5 Time current Characteristic of Extreme y Inverse Time Overcurrent Unit 40 601 INS I 161 INI I IT UNIT 0 0 0 5 4 0 1 5 12 0 2 Il 2 5 10 00 70 110 be III 4 w 7 IC I C I C 7 U C 21 FXT EFL PPN F...

Page 41: ...0 U 0 cf Ui J 0 GEK 49822 1 L 0208A8695 TimeCUrrent CharaCter1st1 of the Hi_Seismic InstantaneoUs Unit 41 Figure 18...

Page 42: ...I U LU fuJ cj LU LU U 1 J U LU LU U i LU J 3 GEK 49822 1N33 i3d NI I OYd AO Figure 19 0208A8694 2 Transient Overreach Characteristics of the Hi Seismic Instantaneous Unit 42...

Page 43: ...ct Brush Retainer J Stop Screw K Stationary Contact Support L Mounting Screw M Locknuts D Moving Contact Arm E Moving Contact Brush F Button Contact Tip G Moving Contact Brush Retainer Figure 20 80276...

Page 44: ...0 0 S D 0 1 0 CONNECTING PLUG MAIN BRUSH CONNECTING BLOCK AUXILIARY BRUSH I TERMINAL BL SHORTING BAR NQTE AFTER ENGAGING AUXILIARY BRUSH CONNECTING PLUG TRAVELS 1 4 INCH BEFORE ENGAGING THE MAIN BRUS...

Page 45: ...GEK 49822 ADJ RES ThN 1 3 5 7 9 2 4 6 TYPE XLA13 TEST PLUG Figure 22 0195A9179 O Test Connections for Checking Pickup of TOC Unit 45...

Page 46: ...GEK 49822 TOT1 4ER oNi I RATED ADJ R STOP 1 3 5 7 9 i 2 6 S 10 TYPE 1LA13 TEST PLUG TO Tll4 START Figure 23 0195A9180 O Test Connections for Checking Operating Time of TOC Unit 46...

Page 47: ...GEK 49822 120 V I RATED ADJ RES 5 k_EQ 1 2 4 6 8 10 TYPE XLA13 TEST PLUG Figure 24 0195A9181 1 Test Connections for Checking Pickup of Directional Unit using Current Polarization 47...

Page 48: ...GEK 4 9822 I 120V RATED Figure 25 0195A9182 O Test Connections for Checking Pickup of Directional Unit using Potential Polarization 48 TYPE XLA13 TEST PLUG...

Page 49: ...G 97531 00000 00000 10 8 6 4 2 H 157MM 3 0 76MM BACK VIEW CUTOUT NAY REPLACE DRILLED HOLES 1 4 DRILL 6 HOLES 6MM 5 187 132MM 1I 1 0 375 264MM 218 5MM CU TtI UI 12843 7MM 5 687 144MM 5 8 DRILL 3 500 4...

Page 50: ...0 GE Power Management 215 Anderson Avenue Markham Ontario Canada L6E 1B3 Tel 905 294 6222 Fax 905 201 2098 www ge comlindsyslpm...

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