GE Multilin T60 Transformer Protection System 5-1135 SETTINGS 5.4 SYSTEM SETUP5Figure 5–40: VOLTAGE TRIGGER SCHEME LOGICi) CURRENT TRIGGERINGPATH: SETTINGS SYSTEM SETUP PHASOR MEASUREMENT... PMU 1 TRIGGERING PMU 1 CURRENT TRIGGERThis element responds to elevated current. The trigger responds to the phase current signal of the phasor measurementunit (PMU) source. All current channel (A, B, and C) are processed independently and could trigger the recorder.• PMU 1 CURR TRIGGER PICKUP: This setting specifies the pickup threshold for the overcurrent trigger, in per unit ofthe PMU source. A value of 1 pu is a nominal primary current. The comparator applies a 3% hysteresis.• PMU 1 CURR TRIGGER PKP TIME: This setting could be used to filter out spurious conditions and avoid unneces-sary triggering of the recorder.• PMU 1 CURR TRIGGER DPO TIME: This setting could be used to extend the trigger after the situation returned to nor-mal. This setting is of particular importance when using the recorder in the forced mode (recording as long as the trig-gering condition is asserted). PMU 1 CURRENT TRIGGERPMU 1 CURR TRIGGERFUNCTION: DisabledRange: Enabled, DisabledMESSAGE PMU 1 CURR TRIGGERPICKUP: 1.800 puRange: 0.100 to 30.000 pu in steps of 0.001MESSAGE PMU 1 CURR TRIGGERPKP TIME: 0.10 sRange: 0.00 to 600.00 s in steps of 0.01MESSAGE PMU 1 CURR TRIGGERDPO TIME: 1.00 sRange: 0.00 to 600.00 s in steps of 0.01MESSAGE PMU 1 CURR TRIG BLK:OffRange: FlexLogic™ operandMESSAGE PMU 1 CURR TRIGGERTARGET: Self-ResetRange: Self-Reset, Latched, DisabledMESSAGE PMU 1 CURR TRIGGEREVENTS: DisabledRange: Enabled, Disabled847005A1.CDRSETTINGSPMU 1 VOLT TRIGGERFUNCTION:Enabled = 1PMU 1 VOLT TRIG BLK:Off = 0SETTINGSPMU 1 SIGNALSOURCE:ANDSETTINGSPMU 1 VOLT TRIGGER LOW-VOLT:PMU 1 VOLT TRIGGER HIGH-VOLT:RUN SETTINGSPMU 1 VOLT TRIGGER PKP TIME:PMU 1 VOLT TRIGGER DPO TIME:tPKPtDPOFLEXLOGIC OPERANDPMU 1 VOLT TRIGGERFLEXLOGIC OPERANDSPMU 1 FREQ TRIGGERPMU 1 CURR TRIGGERPMU 1 POWER TRIGGERPMU 1 ROCOF TRIGGERSETTINGPMU 1 USER TRIGGER:Off = 0OR FLEXLOGIC OPERANDPMU 1 TRIGGEREDVT CONNECTION:WYE DELTAVA VABVB VBCVC VCA(0.1pu < V < LOW-VOLT) OR(V > HIGH-VOLT)(0.1pu < V < LOW-VOLT) OR(V > HIGH-VOLT)(0.1pu < V < LOW-VOLT) OR(V > HIGH-VOLT)ORto STAT bits ofthe data frame
