5.1.4 Technical dataTable 22:T2WPDIF, T3WPDIF technical dataFunction Range or value AccuracyOperating characteristic Adaptable ± 1.0% of Ir for I < Ir± 1.0% of Ir for I > IrReset ratio >94% -Unrestrained differential current limit (1.00-50.00)xIBase onhigh voltage winding± 1.0% of set valueBase sensitivity function (0.05 - 0.60) xIBase ± 1.0% of IrMinimum negative sequence current (0.02 - 0.20) xIBase ± 1.0% of IrOperate angle, negative sequence (30.0 - 90.0) degrees ± 1.0 degreesSecond harmonic blocking (5.0-100.0)% offundamental differentialcurrent± 2.0% of IrFifth harmonic blocking (5.0-100.0)% offundamental differentialcurrent± 12.0% of IrConnection type for each of the windings Y or D -Phase displacement between high voltagewinding, W1 and each of the windings, W2and W3. Hour notation0–11 -Operate time, restrained function 25 ms typically at 0 to5 x Ib-Reset time, restrained function 25 ms typically at 5 to0 x Ib-Operate time, unrestrained function 20 ms typically at 0 to5 x Ib-Reset time, unrestrained function 25 ms typically at 5 to0 x Ib-5.2 1Ph High impedance differential protection HZPDIF5.2.1 IdentificationFunction description IEC 61850identificationIEC 60617identificationANSI/IEEE C37.2device number1Ph High impedance differentialprotection HZPDIF IdSYMBOL-CC V2 EN871MRK 502 034-UEN - Section 5Differential protection95Technical Manual
