GE B30 Communications Manual
Also see for b30: Maintenance manualInstruction manualInstruction manualInstruction manualCommunications manual
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Contents
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CHAPTER 1: INTRODUCTION FEATURES PER PRODUCTUR FAMILY – COMMUNICATIONS GUIDE 1-91Motor StartSupervision1 1NegativeSequenceDirectional OC# ofelementsif at leastone CTbank andone VTbank3 2 2 2 2 2 2 2 2 3NegativeSequenceInstantaneous Overcurrent# ofelementsif at leastone CTbank3 2 2 2 2 2 2 2 2 3NegativeSequenceOvervoltageC70# ofvoltagebanks ifat leastone3 3NegativeSequenceOvervoltage# ofelementsif at leastonevoltagebank3 3 3 3 3 3 3 3 3 3NegativeSequenceTimeOvercurrent# ofelementsif at leastone CTbank3 2 2 2 2 2 2 2 2 3NeutralCurrentUnbalance# ofcurrentbanks3 3NeutralDirectionalOvercurrent3 1 2 2 2 2 2 2 2 2 2 3 3NeutralInstantaneous Overcurrent# of CTbanks ifat leastone6 6 1 1NeutralInstantaneous Overcurrent# ofelementsif at leastone CTbank12 8 6 2 6 12 8 4 4 8 8 12 12NeutralOvervoltage# ofelementsif at leastone VTbank3 3 3 3 3 3 3 3 3 3 3 3 3 3 3Neutral TimeOvercurrent# ofelementsif at leastone CTbank6 6 6 6 2 4 6 6 2 2 4 4 6 6 6 6NeutralVoltageUnbalance# ofvoltagebanks3 3Non VolatileLatches16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16Open PoleDetect(supervisory)1 1Feature Rule Max B30 B90 C30 C60 C70 D30 D60 F35 F60 G30 G60 L30 L60 L90 M60 N60 T35 T60 |
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