7.3.8 Technical dataTable 91:ZMFPDIS, ZMFCPDIS technical dataFunction Range or value AccuracyNumber of zones 3 selectabledirections, 3 fixeddirections-Minimum operate current, Ph-Phand Ph-E(5-6000)% of IBase ±1.0% of IrPositive sequence reactancereach, Ph-E and Ph-Ph loop(0.01 - 3000.00) ohm/phase±2.0% of static accuracy±2.0 deg static angular accuracyConditions:Voltage range: (0.1-1.1) x UrCurrent range: (0.5-30) x IrAngle: At 0 deg and 85 degPositive sequence resistancereach, Ph-E and Ph-Ph loop(0.00 - 1000.00) ohm/phaseZero sequence reactance reach (0.01 - 9000.00) ohm/pZero sequence resistive reach (0.00 - 3000.00) ohm/pFault resistance reach, Ph-E andPh-Ph(0.01 -9000.00) ohm/lDynamic overreach < 5% at 85 degmeasured with CVTsand 0.5 < SIR < 30Definite time delay to trip, Ph-Eand Ph-Ph operation(0.000-60.000) s ±2.0% or ±35 ms whichever is greaterOperate time 16 ms typically IEC 60255-121Reset time at 0.1 to 2 x Zreach Min = 20 msMax = 35 ms-Reset ratio 105% typically -7.4 High speed distance protection ZMFCPDIS7.4.1 IdentificationFunction description IEC 61850identificationIEC 60617identificationANSI/IEEE C37.2device numberHigh speed distance protection zone(zone 1-6)ZMFCPDISS00346 V1 EN217.4.2 FunctionalityHigh speed distance protection (ZMFCPDIS) provides sub-cycle, down towards half-cycle, operate time for basic faults within 60% of the line length and up to around SIR5. At the same time, it is specifically designed for extra care during difficult conditionsin high voltage transmission networks, like faults on long heavily loaded lines andSection 7 1MRK502052-UEN BImpedance protection226Technical manual
