GE ACR11B Instructions Manual Download | Manualshive

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Summary of Contents for ACR11B

Page 1: ...t Types ACRllB ACRllC ACRllE INSTRUC1 IONS RECLOSING RELAY POWER SYSTEMS MANAGEMENT DEPARTMENT GEN ERAL e ELECTRI C PHilADELPHIA PA GEH 1786C SUPERSEDES GEH 1786B...

Page 2: ...KL SYNCHRO NOUS _ MOTOR __ S CH AS BG AETAI ING SCREW i KNURI I D DIAL IUloe ROL L EI ACTUATOR Front View Nameplate Removed INTERLOCKING P J H UNIT l79E L lU Y J Fig lC 8013414 Right Side View Fig lB...

Page 3: ...ition SWitch or latch checking switch to insure that the mechanism is ready to close the breaker before the closing coil Is energized and the pro tective relay contacts must reopen fast enough to prev...

Page 4: ...in the relay The mechanism and units are assembled in the size S 2 case A Photograph of the relay in its case with cover in place is shown on the cover of this Instruction Book The series of photogra...

Page 5: ...or the jumper to facilitate Identification Reclosing Relay Type ACR GEB 1 186 II JlM R S E IICJT 1 lxl11rlffi 21 f1 I 5 Ell USED o JI M R SEE IT G o IE2 RED I r _ 2 rl I L Ir1 2 4 e 1i 10 IT 1 Jl M 1...

Page 6: ...Y CLOSI NG RELAY IUXI LI ARY RECLOSING RELAY TYPE ACR INTERLOCKING UNIT SYNOiRONOUS M011lR CLUTOi REL EASE UN IT 179Z NTI P M UNIT 179M 179DE 179Gi HI 179JK 179RS RESET SWI TOi FRONT CJoMS LIMIT SWITC...

Page 7: ...CKOUT CAPABLE OF FINE AOJUSlMENT 15ZV C CDNTROL VR VE CLOSING aJlL 152V CONTROL VALVE CUT OFF IL 15lY ANTI PUMP RELAY OF 152 179JK ALAIfoI SOIT01 AUXILIARY OPERATED BY 179RS ADJUSTABLE AUXILIARY SOIT0...

Page 8: ...hub is In turn driven through the gear pair B and C and makes slightly less than half revolution during a complete operating cycle lie reclosing r Y The dial hub carries a set adjustable cams D and E...

Page 9: ...USTMENTS IMMEDIATE INITIAL RECLOSURE When the circuit breaker trips the 179Z unit Immediately energized through the 152b the 101 5 _ontact and the preclosed contact 179E1 When the 179Z unit operates i...

Page 10: ...of the relay Many other settings possible some of which are described under JuJJUSTMENTS Fig 6 illustrates clearly the sequence of the cam operated contacts deseribed 10 above Note that the diagram sh...

Page 11: ...Relay Type ACR GEH 1786 The reclosure Is initiated by the successive opera tion of the 179Z and 179E units This scheme Is suitable for application on most circuit breakers For some applications where...

Page 12: ...open when the relay has reset following eclosing sequence It is this requirement which armines the minimum value of reclosing time Ice the crown gear clutch does not always com pletely re engage when...

Page 13: ...he manual reclosure Fig 8 shows in chart form the wide variety Jf reclosing cycle patterns obtainable with this recloser From these patterns three typical cycles have been derived Reclosing Relay Type...

Page 14: ...The RS contact should be connected in series with the reclosing circuit that is terminals 18 or 19 de pending upon the adjustment With the usual factory adjustments the RS contact is closed when the r...

Page 15: ...URS 5 SECONDS AFTER RELEASE OF CONTROL SWITCH TO NEUTRAL POSITION LEGEND AUTOMATIC RECLOSURE FINAL AUTOMATIC RESET OPTIONAL INTERMEDIATE AUTOMATIC RESET A ADJUSTABLE INTERVAL MINIMUM VALUE 5 SECONDS F...

Page 16: ...in the assembly are shown by the series of pictures in Fig 1 16 Normally the only switch requtring adjustment Is RS This Is a spare switchthat can be adjusted to operate at any point in the timing cy...

Page 17: ...contact members and noting that the movable members follow for at least a 5 mil deflection Third check the contact wipe on those contacts that close when the a rmatures are operated as follows Place...

Page 18: ...owing the same prQ edure but waiting until after the second delayed reclosure and reset position Is passedbefore closing S3 and 84 18 4 Interval between Delayed Reclosure and Reset a Pulse 82 b Close...

Page 19: ...ition 2 Remove the square nameplate which is held in place by four corner screws 3 Remove the dial hub and cam assembly by unscrewing the button on the release rod and removing the slotted retaining s...

Page 20: ...te cycle and the operating sequence of the auxiliary switches checked If minor readjustments are required they can be more easily handled with the block off If the switch operation ls satlsfactory the...

Page 21: ...20 60 60 OO 2 4 68 10 NlMERING OF SnXlS FRONT VIEW z i Q I II I e or PANEL DRILLING FOR SENI FLUSH TING FRONT VIEW III 11 OUTLINE VIEW SHaNlNG ASSEMBLY OF HARI7tYARE FOR CE MTG ON STEEL FW LS 4 2 PAN...

Page 22: ...same as the ACRllB The ACRllE relay has a dual rated a c motor 120 or 240 VOlts This is accomplished by adding a series resistor in the motor circuit which may be in serted or removed by means of a r...

Page 23: ...12O I 20 125 2O 2O 240 24 240 48 24O 125 240 250 24O 24O 240 0 125 240 24O 125 ADJUSTABLE CAMS SINGLE ENDED 2 0 250 240 i o 125 0 240 12O 250 12O iio 125 12O 12O 125 12O 240 125 0 25O IOTOR CIRCUIT F...

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