ANDabb>aSelected voltageStartVolt_UV1Operation_UV1=OnBLKUV1Inverse timeselecteden05000752.vsdInverseDEFDEF timeselectedORSTUV1TRUV1ANDBLKTRUV1IEC05000752 V1 ENFigure 283: Simplified internal logic diagram for built-in first undervoltage step UV1 (step UV2 has the sameinternal logic)11.1.8 Technical dataTable 337:CVGAPC technical dataFunction Range or value AccuracyMeasuring currentinputphase1, phase2, phase3, PosSeq, -NegSeq, -3*ZeroSeq, MaxPh, MinPh,UnbalancePh, phase1-phase2, phase2-phase3, phase3-phase1, MaxPh-Ph,MinPh-Ph, UnbalancePh-Ph-Measuring voltageinputphase1, phase2, phase3, PosSeq, -NegSeq, -3*ZeroSeq, MaxPh, MinPh,UnbalancePh, phase1-phase2, phase2-phase3, phase3-phase1, MaxPh-Ph,MinPh-Ph, UnbalancePh-Ph-Start overcurrent,step 1 - 2(2 - 5000)% of IBase ±1.0% of Ir at I ≤ Ir±1.0% of I at I > IrStart undercurrent,step 1 - 2(2 - 150)% of IBase ±1.0% of Ir at I ≤ Ir±1.0% of I at I > IrIndependent timedelay, overcurrent at0 to 2 x Iset, step 1 - 2(0.00 - 6000.00) s ±0.2% or ±35 ms whichever isgreaterIndependent timedelay, undercurrentat 2 to 0 x Iset, step 1 -2(0.00 - 6000.00) s ±0.2% or ±35 ms whichever isgreaterOvercurrent (non-directional):Start time at 0 to 2 xIsetMin. = 15 msMax. = 30 ms-Reset time at 2 to 0 xIsetMin. = 15 msMax. = 30 ms-Table continues on next page1MRK502052-UEN B Section 11Multipurpose protection591Technical manual
