Frequency f > StartFrequencyVoltage pickupTRIPV < IntBlockLevelblockBLOCKORDefinite timertResettDelayANSI16000042-1-en.vsdxtripPICKUPBLKDMAGNBLKTRIPANDPickup&TripoutputlogicANSI16000042 V1 EN-USFigure 108: Simplified logic diagram for SAPTOF (81)10.2.7 Technical dataM14964-1 v12Table 171:SAPTOF (81) technical dataFunction Range or value AccuracyTrip value, pickup function atsymmetrical three-phase voltage(35.00-90.00) Hz ±2.0 mHzTrip time, pickup at fset -0.02 Hzto fset +0.02 Hz fn = 50Hz Min. = 80 msMax. = 95 ms-fn = 60 Hz Min. = 65 msMax. = 80 msReset time, pickup at fset +0.02Hz to fset -0.02 HzMin. = 15 msMax. = 30 ms-Trip time, definite time function atfset -0.02 Hz to fset +0.02 Hz(0.000-60.000)s ±0.2% ±100 mswhichever is greaterReset time, definite time functionat fset +0.02 Hz to fset -0.02 Hz(0.000-60.000)s ±0.2% ±120 ms,whichever is greater10.3 Rate-of-change of frequency protection SAPFRC (81)IP15748-1 v4Section 10 1MRK 511 408-UUS AFrequency protection312 Phasor measurement unit RES670 2.2 ANSITechnical manual
