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GE IBCG51M, Инструкция по эксплуатации

Инструкция для продукта GE IBCG51M доступна для скачивания бесплатно на manualshive.com. Этот руководство содержит все необходимые сведения о продукте, чтобы обеспечить безупречную работу и эффективное использование. Не забудьте загрузить свой экземпляр прямо сейчас!

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Содержание IBCG51M

Страница 1: ...822E 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 19355 1337 ...

Страница 2: ...6 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 OPERATION 18 9 TARGET AND SEAL IN UNIT 18 9 TIME OVERCURRENT UNIT 18 11 DIRECTIONAL UNIT 19 11 CURRENT POLARIZATION 19 11 POTENTIAL POLARIZATION 19 11 INSTANTANEOUS UNIT ig 12 PERIODIC CHECKS AND ROU...

Страница 3: ...eir 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 IBCG52M 54M and the 78M relay models are the two contact versions of the IBCG51M 53M and the 77M relay models respectively All the IBCG relays are mounted in standard Ml size drawout cases the outline and ...

Страница 4: ...pared 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 systems where the fault current flowing through a given relay is influenced largely by the system generating capacity at the time of the fault Very inverse time and extremely inverse time relays should...

Страница 5: ...y 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 transient overreach as illustrated in Figure 19 should also be taken into account in determining the setting RATINGS The IBCG relays described in this instruction are available in 50 and 60 hertz mod...

Страница 6: ...0 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 5 5 6 0 7 0 8 0 9 0 10 0 TABLE IV CONTINUOUS RATING OF 1 5 12 0 AMP TOC UNITS 1 5 12 0 Amp Range Model Tap 1 5 2 0 2 5 3 0 4 0 5 0 6 0 7 0 8 0 10 0 12 0 IBCG53M Rating IBCG53M Y1A 10 0 11 5 13 0 14 5...

Страница 7: ...or 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 diagrams referred to in Table I For the H range connect lead T to terminal 6 and lead E to the auxiliary terminal that is mounted on terminal 6 For range L reverse leads T and E TABLE VI CONTINUOUS ...

Страница 8: ...imum 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 unit contacts will operate an auxili ary relay which in turn energizes the trip coil or coils On such an application it may be necessary to connect a loading resistor in parallel with the auxiliary r...

Страница 9: ...ate 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 BURDENS The capacitive burden of the potential polarizing circuit of the directional unit at 60 cycles and 120 volts is 10 volt amperes at 0 86 power factor Table VIII gives the current circuit burd...

Страница 10: ...r 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 ohms The impedance of the 1 ampere tap at 1 ampere is approximately 0 5 1 2 x 22 5 5 ohms Some companies list relay burdens only as the volt ampere input to operate at minimum pickup This column is in...

Страница 11: ...trol 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 made of low gradient material which when subjected to vibration tend to follow one another hence they resist contact separation The contact dial A supports the stationary contact brush B on which is mou...

Страница 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 The IOC unit is a small hinged armature type instantaneous element and is mounted on the right side of the TOC unit The bC element operates over a 25 to i total range obtained by using a tapped coil ...

Страница 13: ...at 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 MECHANICAL INSPECTION Top Unit TOC 1 The disk shaft end play should be 0 005 0 015 inch 2 The disk should be centered in the air gaps of both the electromagnet and drag magnet 3 Both air gaps should be free ...

Страница 14: ...rent 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 currents ranging from 0 2 to 2 0 amperes at the minimum control voltage the target and seal in tap screw should be set in the 0 2 ampere tap When the trip coil current ranges from 2 to 30 amperes at the mi...

Страница 15: ...mer 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 close the contacts should be within 5 of the value marked on the tap plate for any tap setting and time dial position If this adjustment has been disturbed it can be restored by means of the spring adj...

Страница 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 further adjustment is obtained by moving the permanent magnet along its supporting shelf moving the magnet toward the disk shaft decreases the time while moving it away increases the time Be sure the m...

Страница 17: ...adjustable 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 counterclockwise increases the pickup Bring up the current slowly until the unit picks up It may be necessary to repeat this operation until the desired pickup value is obtained Once the desired pick...

Страница 18: ...the 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 adjustments have not been disturbed The time dial will be set at 0 before the relay leaves the factory If the setting has not been changed it will be necessary to change this setting in order to open the...

Страница 19: ...r 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 with periodic testing Until the user has accumulated enough experience to select the test interval best suited to his individual requirements it is suggested that the points listed below be checked a...

Страница 20: ...o 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 completes its travel Wipe is adjusted by turning the wipe adjustment screw on the stationary contact thereby adjusting the position of the brush relative to the brush stop When the time dial is moved...

Страница 21: ...aft 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 unit the following procedure should be followed All leads to the unit should first be disconnected and tagged for identification in reconnecting The unit can then be removed from the cradle with its...

Страница 22: ...ias 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 unit spiral spring so that the unit picks up at 0 5 ampere with terminals 9 and 10 jumpered The core of the directional unit has a small flat portion the purpose of which is to minimize the effect of...

Страница 23: ...d 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 material will be removed rapidly and thoroughly The flexibility of the tool ensures the cleaning of the actual points of contact Fine silver contacts should not be cleaned with knives files or abrasiv...

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

Страница 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 Case Front View 25 TOC TAP SCREW 1 TOG STATIONARY CONTACT TARGET SEAL IN ADJUSTING RING LOCKING SCREW DIRECTIONAL CUP UNIT ...

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

Страница 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 ...

Страница 28: ...OUND 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 SHORT FINGER T 28 ...

Страница 29: ...ANEOUS 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 P3 D P OT POL 5HGRT FINGER 4 6 8 ...

Страница 30: ...ME 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 Ol L Hi D 1 L U t p3 p4 I 4 ...

Страница 31: ...ME 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 UNIT SHORT FINGER 31 ...

Страница 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 ...

Страница 33: ...DIRECTIONAL 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 I I 3 21 B IF POTENTIAL POLARIZATION __ _ c IS USED CONNECT A TO D D B TO C IF POTENTIAL POLARIZATION IS NOT USED CONNECT C TO 1 52 a 52 r ...

Страница 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 PHASE RELAYS I TOC D 1A 2 3 4 J w cr 4 0 B 67N 67N D C Dt SEE NOTE I S 67N IBCG5IMC Y IA IBC C 3 hi C Y IA D DIRECTIONAL UNIT I INSTANTANEOUS UNIT TOC TIME OVERCURRNT UNIT 2 G7N T 3j ...

Страница 35: ...he 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 8 7 LJEND 67N__1EcG52M 1 53 78M IOC ThSTANTANEOUS OVCURR2 lT urr TOC TII1E OVERCURRENT UNIT D DIRECTIONAL UNIT T STTARGET SEAL 114 UNIT 3 J Li 21 L 3T STOC SI j52 a I TC 35 ...

Страница 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 C 0 m o 0 0 0 3 0 0 0 0 LOCAL GROUND SOURCE IMPEDENCE SEC OHMS 36 ...

Страница 37: ...WHICH 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 EEEE E S EI 0 c0s I 60 3 6 i 0 ICos 0 25 E I Ca 19 60 I ICOS 0 3 6 0 2 p zIr tn z c o r cO cn 0 crc 0 0 0 0 0 0 000 I C cO s crc o c cO MULTIPLES OF PRODUCT PICKUP 0 0 0 0 0 0 0 0 00 fl 0 0 Cl 0 0 C 0 ...

Страница 38: ...I 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 Ill 01 00 10O0L O9O 000 0 0000 01 0110 i011 1 IOhOC rS 0 OOi I 0bOE 70701 1 IO111 ot or o o IV I NIl Jill I I j Iii 1A 0 OR Cl 31 7 I 40 11 41 11 0 11411 11111 141100 0 ...

Страница 39: ...Time 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 MULTIPLES OF RELAY TAP SETTING 39 ...

Страница 40: ...8880274 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 EUC FFIE 11441 0816 TAPO AIIJUSfl4 NTS INST 0611 CON TI 111100 SLY ADJUST ABLE I Nil 7 1C 3 El Ii 07 8 1 I ttN tl14 HNUN t 11flE s 5 9 11 H ffii1 2 C1 82 3 11 11 F C C i7 II I C Ci 1 4 3I III ii I I...

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

Страница 42: ...I U LU fuJ cj LU LU U 1 J U LU LU U i LU J 3 GEK 49822 1N33èi3d NI I OYd AO Figure 19 0208A8694 2 Transient Overreach Characteristics of the Hi Seismic Instantaneous Unit 42 ...

Страница 43: ...act 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 8027688 and 8023399 Low Gradient Contact Assembly for the Directional Unit L K I L F E 43 ...

Страница 44: ...c 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 BRUSH ON THE TERMINAL BLOCK ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 49: ...NG 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 HOLES M L 16MM44MM 7 406 186MM 8 312 I ______ 376MM 6 l 906 J 4 156 14 812 211MM 1 06MM 175MM 7 281 ____ 185MM 468 1 18MM 5MM _ PANEL CASL PANEL DRILLING FOR SEMI FLUSH MOUNTING FRONT VIEW HHLoI 5 25...

Страница 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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