IEC06000250_2_en.vsdT3WPDIFI3PW1CT1*I3PW1CT2*I3PW2CT1*I3PW2CT2*I3PW3CT1*I3PW3CT2*TAPOLTC1TAPOLTC2OLTC1ALOLTC2ALBLOCKBLKRESBLKUNRESBLKNSUNRBLKNSSENTRIPTRIPRESTRIPUNRETRNSUNRTRNSSENSSTARTSTL1STL2STL3BLK2HBLK2HL1BLK2HL2BLK2HL3BLK5HBLK5HL1BLK5HL2BLK5HL3BLKWAVBLKWAVL1BLKWAVL2BLKWAVL3IDALARMOPENCTOPENCTALIDL1IDL2IDL3IDL1MAGIDL2MAGIDL3MAGIBIASIDNSMAGIEC06000250 V2 ENFigure 31: T3WPDIF function block6.1.4 SignalsTable 35:T2WPDIF Input signalsName Type Default DescriptionI3PW1CT1 GROUPSIGNAL- Three phase winding primary CT1I3PW1CT2 GROUPSIGNAL- Three phase winding primary CT2I3PW2CT1 GROUPSIGNAL- Three phase winding secondary CT1I3PW2CT2 GROUPSIGNAL- Three phase winding secondary CT2TAPOLTC1 INTEGER 1 Most recent tap position reading on OLTC 1OLTC1AL BOOLEAN 0 OLTC1 alarmBLOCK BOOLEAN 0 Block of functionBLKRES BOOLEAN 0 Block of trip for restrained differential featureBLKUNRES BOOLEAN 0 Block of trip for unrestrained differential featureBLKNSUNR BOOLEAN 0 Block of trip for unrestr. neg. seq. differentialfeatureBLKNSSEN BOOLEAN 0 Block of trip for sensitive neg. seq. differentialfeatureSection 6 1MRK502052-UEN BDifferential protection104Technical manual
