5-180 L90 LINE CURRENT DIFFERENTIAL SYSTEM – INSTRUCTION MANUALFLEXLOGIC CHAPTER 5: SETTINGS5ELEMENT:Disconnect switchSWITCH 1 OFF CMDSWITCH 1 ON CMDSWITCH 1 CLOSEDSWITCH 1 OPENSWITCH 1 DISCREPSWITCH 1 TROUBLESWITCH 1 ΦA CLSDSWITCH 1 ΦA OPENSWITCH 1 ΦA BAD STSWITCH 1 ΦA INTERMSWITCH 1 ΦB CLSDSWITCH 1 ΦB OPENSWITCH 1 ΦB BAD STSWITCH 1 ΦB INTERMSWITCH 1 ΦC CLSDSWITCH 1 ΦC OPENSWITCH 1 ΦC BAD STSWITCH 1 ΦC INTERMSWITCH 1 BAD STATUSDisconnect switch 1 open command initiatedDisconnect switch 1 close command initiatedDisconnect switch 1 is closedDisconnect switch 1 is openDisconnect switch 1 has discrepancyDisconnect switch 1 trouble alarmDisconnect switch 1 phase A is closedDisconnect switch 1 phase A is openDisconnect switch 1 phase A bad status is detected (discrepancy betweenthe 89/a and 89/b contacts)Disconnect switch 1 phase A intermediate status is detected (transition fromone position to another)Disconnect switch 1 phase B is closedDisconnect switch 1 phase B is openDisconnect switch 1 phase B bad status is detected (discrepancy betweenthe 89/a and 89/b contacts)Disconnect switch 1 phase B intermediate status is detected (transition fromone position to another)Disconnect switch 1 phase C is closedDisconnect switch 1 phase C is openDisconnect switch 1 phase C bad status is detected (discrepancy betweenthe 89/a and 89/b contacts)Disconnect switch 1 phase C intermediate status is detected (transition fromone position to another)Disconnect switch 1 bad status is detected on any poleSWITCH 2 to 24 Same set of operands as shown for SWITCH 1ELEMENT:SynchrocheckSYNC1 DEAD S OPSYNC1 DEAD S DPOSYNC1 SYNC OPSYNC1 SYNC DPOSYNC1 CLS OPSYNC1 CLS DPOSYNC1 V1 ABOVE MINSYNC1 V1 BELOW MAXSYNC1 V2 ABOVE MINSYNC1 V2 BELOW MAXSYNC1 S-CLOSE OPSYNC1 S-CLOSE OP DPOSYNC1 S-CLOSE ARMDSynchrocheck 1 dead source has operatedSynchrocheck 1 dead source has dropped outSynchrocheck 1 in synchronization has operatedSynchrocheck 1 in synchronization has dropped outSynchrocheck 1 close has operatedSynchrocheck 1 close has dropped outSynchrocheck 1 V1 is above the minimum live voltageSynchrocheck 1 V1 is below the maximum dead voltageSynchrocheck 1 V2 is above the minimum live voltageSynchrocheck 1 V2 is below the maximum dead voltageSynchrocheck 1 S-CLOSE has operatedSynchrocheck 1 S-CLOSE has dropped outSynchrocheck 1 S-CLOSE has been armedSYNC 2 to 10 Same set of operands as shown for SYNC 1ELEMENT:Thermal overloadprotectionTHERMAL PROT 1 PKPTHERMAL PROT 1 OPThermal overload protection 1 picked upThermal overload protection 1 operatedTHERMAL PROT 2 Same set of operands as shown for THERMAL PROT 1ELEMENT:Trip outputTRIP 3-POLETRIP 1-POLETRIP PHASE ATRIP PHASE BTRIP PHASE CTRIP AR INIT 3-POLETRIP FORCE 3-POLETRIP OUTPUT OPTRIP Z2PH TMR INITTRIP Z2GR TMR INITTrip all three breaker polesA single-pole trip-and-reclose operation is initiatedTrip breaker pole A, initiate phase A breaker fail and recloseTrip breaker pole B, initiate phase B breaker fail and recloseTrip breaker pole C, initiate phase C breaker fail and recloseInitiate a three-pole recloseThree-pole trip must be initiatedAny trip is initiated by the trip outputPhase distance zone 2 timer is initiated by the trip outputGround distance zone 2 timer is initiated by the trip outputELEMENT:Trip busTRIP BUS 1 PKPTRIP BUS 1 OPAsserted when the trip bus 1 element picks upAsserted when the trip bus 1 element operatesTRIP BUS 2 to 6 Same set of operands as shown for TRIP BUS 1ELEMENT:UnderfrequencyUNDERFREQ 1 PKPUNDERFREQ 1 OPUNDERFREQ 1 DPOUnderfrequency 1 has picked upUnderfrequency 1 has operatedUnderfrequency 1 has dropped outUNDERFREQ 2 to 6 Same set of operands as shown for UNDERFREQ 1ELEMENT:Volts per hertzVOLT PER HERTZ 1 PKPVOLT PER HERTZ 1 OPVOLT PER HERTZ 1 DPOThe volts per hertz element 1 has picked upThe volts per hertz element 1 has operatedThe volts per hertz element 1 has dropped outOperand type Operand syntax Operand description
