Name Values (Range) Unit Step Default DescriptionLocationOLTC1 Not UsedWinding 1 (W1)Winding 2 (W2)Winding 3 (W3)- - Not Used Transformer winding where OLTC1 islocatedLowTapPosOLTC1 0 - 10 - 1 1 OLTC1 lowest tap position designation(e.g. 1)RatedTapOLTC1 1 - 100 - 1 6 OLTC1 rated tap/mid-tap positiondesignation (e.g. 6)HighTapPsOLTC1 1 - 100 - 1 11 OLTC1 highest tap position designation(e.g. 11)TapHighVoltTC1 1 - 100 - 1 1 OLTC1 end-tap position with windinghighest no-load voltageStepSizeOLTC1 0.01 - 30.00 % 0.01 1.00 Voltage change per OLTC1 step inpercent of rated voltageLocationOLTC2 Not UsedWinding 1 (W1)Winding 2 (W2)Winding 3 (W3)- - Not Used Transformer winding where OLTC2 islocatedLowTapPosOLTC2 0 - 10 - 1 1 OLTC2 lowest tap position designation(e.g. 1)RatedTapOLTC2 1 - 100 - 1 6 OLTC2 rated tap/mid-tap positiondesignation (e.g. 6)HighTapPsOLTC2 1 - 100 - 1 11 OLTC2 highest tap position designation(e.g. 11)TapHighVoltTC2 1 - 100 - 1 1 OLTC2 end-tap position with windinghighest no-load voltageStepSizeOLTC2 0.01 - 30.00 % 0.01 1.00 Voltage change per OLTC2 step inpercent of rated voltage6.1.6 Monitored dataTable 45:T2WPDIF Monitored dataName Type Values (Range) Unit DescriptionOCTSIDE INTEGER - - Open CT side : 1 -> W 1(pri), 2 -> W 2 (sec)OPENCTIN INTEGER - - Open CT on Input : 1 forinput 1, 2 for input 2OPENCTPH INTEGER - - Open CT in Phase : 1 forL1, 2 for L2, 3 for L3IDL1MAG REAL - A Magnitude offundamental freq. diff.current, phase L1IDL2MAG REAL - A Magnitude offundamental freq. diff.current, phase L2Table continues on next pageSection 6 1MRK502052-UEN BDifferential protection112Technical manual
