4–136 889 GENERATOR PROTECTION SYSTEM – INSTRUCTION MANUALPROTECTION CHAPTER 4: SETPOINTSFigure 4-47: Inadvertent Energization Logic Diagram894133.cdrSETPOINTBLOCK :Off=0ANDSETPOINTFUNCTION :TripAlarmLatched AlarmConfigurableOR5 s250 msInadv Energ OPFlexLogic OperandsAND ANDCommandRESETORLED: ALARMSETPOINTO/C PICKUP :IA > PICKUPRUNSLATCHSet-DominantRPhase A Current (IA)Phase B Current (IB)Phase C Current (IC)IB > PICKUPIC > PICKUPSETPOINTOUTPUT RELAY X :Do Not Operate , OperateDisabledANDJ1 Current InputsSETPOINTU/V PICKUP :VA (VAB ) < PICKUPRUNVB (VBC) < PICKUPVC (VCA ) < PICKUPJ2 Voltage InputsOR ANDSETPOINTARMING MODE :U/V and OfflineU/V or OfflineOfflineFlexLogic OperandAND ORANDORANDLED: TRIPTripInadv Energ ArmedWYE DELTAVA VABVB VBCVC VCA
