5-156 N60 Network Stability and Synchrophasor Measurement System GE Multilin5.7 CONTROL ELEMENTS 5 SETTINGS5Figure 5–69: SYNCHROCHECK SCHEME LOGICCalculateI V1 – V2 I = ΔVANDORANDANDCalculateI Φ1 – Φ2 I = ΦΔCalculateI F1 – F2 I = ΔFSETTINGNoneLV1 and DV2Dead Source SelectDV1 and LV2DV1 or DV2DV1 xor DV2DV1 and DV2SETTINGV1 ≤ MaximumDead V1 Max VoltSETTINGV2 ≤ MaximumDead V2 Max VoltSETTING= SRC 1V1 SourceSETTING= SRC 2V2 SourceSETTINGV1 ≥ MinimumLive V1 Min VoltSETTINGV2 ≥ MinimumLive V2 Min VoltSETTINGSΔF ≤ MaximumMax Freq DiffFreq HysteresisSETTINGΔΦ ≤ MaximumMax Angle DiffSETTINGΔV ≤ MaximumMax Volt DiffANDORXORANDANDANDANDAND827076AC.CDRACTUAL VALUESSynchrocheck 1 ΔVSynchrocheck 1 ΔΦSynchrocheck 1 ΔFANDSETTINGSEnabled = 1Disabled = 0FunctionOff = 0BlockANDANDANDANDFLEXLOGIC OPERANDSYNC1 V2 ABOVE MINSYNC1 V1 ABOVE MINSYNC1 V1 BELOW MAXSYNC1 V2 BELOW MAXFLEXLOGIC OPERANDFLEXLOGIC OPERANDFLEXLOGIC OPERANDORFLEXLOGIC OPERANDSSYNC1 DEAD S OPSYNC1 DEAD S DPOFLEXLOGIC OPERANDSSYNC1 CLS OPSYNC1 CLS DPOCALCULATEMagnitude V1Angle Φ1Frequency F1CALCULATEMagnitude V2Angle Φ2Frequency F2FLEXLOGIC OPERANDSSYNC1 SYNC OPSYNC1 SYNC DPOSYNCHROCHECK 1
