5-180 L60 Line Phase Comparison System GE Multilin5.5 GROUPED ELEMENTS 5 SETTINGS5Figure 5–92: NEUTRAL DIRECTIONAL OVERCURRENT LOGICFLEXLOGIC OPERANDFLEXLOGIC OPERANDSETTINGSETTINGSETTINGSETTINGSETTINGSSETTINGSETTINGNEUTRAL DIR OC1FUNCTION:NEUTRAL DIR OC1SOURCE:NEUTRAL DIR OC1 POLVOLT:NEUTRAL DIR OC1 OPCURR:NEUTRAL DIR OC1POLARIZING:NEUTRAL DIR OC1 BLK:NEUTRAL DIR OC1 FWDLIMIT ANGLE:NEUTRAL DIR OC1 FWDECA:NEUTRAL DIR OC1 REVLIMIT ANGLE:NEUTRAL DIR OC1OFFSET:NEUTRAL DIR OC1 FWDPICKUP:NEUTRAL DIR OC1 REVPICKUP:NEUTRAL DIR OC1 OPCURR:NEUTRAL DIR OC1 OPCURR:NEUTRAL DIR OC1 FWDNEUTRAL DIR OC1 REVDisabled=0Measured VXVoltageCalculated V_0 } }CurrentGround Crt (IG)Zero Seq Crt (I_0)DualNOTE:1) CURRENT POLARIZING IS POSSIBLE ONLY IN RELAYS WITHTHE GROUND CURRENT INPUTS CONNECTED TOAN ADEQUATE CURRENT POLARIZING SOURCE2) GROUND CURRENT CAN NOT BE USED FOR POLARIZATIONAND OPERATION SIMULTANEOUSLY3) POSITIVE SEQUENCE RESTRAINT IS NOT APPLIED WHEN_1 IS BELOW 0.8puI827077AB.CDROff=0Enabled=1ANDANDANDANDANDANDANDORORORORIG 0.05 pu3( _0 - K _1 ) PICKUPI I3( _0 - K _1 ) PICKUPI IIG PICKUPIG PICKUPVoltage PolarizationCurrent Polarization-3V_03I_0FWDFWDFWDREVREVREVRUNRUNRUNORORRUN1.25 cy1.5 cyNEUTRAL DIR OC1 POS-SEQ RESTRAINT:NEUTRAL DIR OC1 POS-SEQ RESTRAINT:
