1–18 889 GENERATOR PROTECTION SYSTEM – INSTRUCTION MANUALSPECIFICATIONS CHAPTER 1: INTRODUCTIONAUXILIARY OVERVOLTAGE (59X)Operating Parameter: ...................................... Vx (Phasor)Pickup Level: ......................................................... 0.00 to 3.00 x VT in steps of 0.01 x VTDropout Level:...................................................... 97 to 98% of PickupLevel Accuracy: ................................................... ±0.5% of reading from 10 to 240 VOvervoltage Curves:.......................................... Definite Time, Inverse Time, FlexCurves A/B/C/DPickup Time Delay: ............................................ 0.000 to 6000.000 s in steps of 0.001sDropout Time Delay:......................................... 0.000 to 6000.000 s in steps of 0.001sPickup Accuracy: ................................................ ‘Auxiliary voltage input channel errorOperate Time: ...................................................... < 30 ms at 1.1 x pickup at 60HzCurve Timing Accuracy:.................................. at >1.1 x PKP: 3.5% of operate time ± ½ cycle (whichever isgreater) from pickup to operateTimer Accuracy:.................................................. ± 3% of operate time or ± ½ cycle (whichever is greater)NEUTRAL OVERVOLTAGE (59N)Operating Parameter: ...................................... 3V_0 calculated from phase to ground voltagesPickup Level: ......................................................... 0.02 to 3.00 x VT in steps of 0.01 x VTDropout Level:...................................................... 97 to 98% of PickupLevel Accuracy: ................................................... ±0.5% of reading from 10 to 208 VNeutral Overvoltage Curves:......................... Definite time, FlexCurve A,B,C,DPickup Time Delay: ............................................ 0.000 to 6000.000 s in steps of 0.001 s (Definite Time)Dropout Time Delay:......................................... 0.000 to 6000.000 s in steps of 0.001 s (Definite Time)Operate Time: ...................................................... < 25 ms at 1.1 x pickup at 60Hz< 30 ms at 1.1 x pickup at 50HzCurve Timing Accuracy:.................................. at > 1.1 x Pickup: ± 3% of curve delay or ± 1 cycle (whicheveris greater) from pickup to operateNEGATIVE SEQUENCE OVERVOLTAGE (59_2)Operating Parameter: ...................................... V_2Pickup Level: ......................................................... 0.00 to 3.00 x VT in steps of 0.01 x VTDropout Level:...................................................... 97 to 98% of PickupLevel Accuracy: ................................................... ± 0.5% of reading from 10 to 208 VPickup Time Delay: ............................................ 0.000 to 6000.000 s in steps of 0.001 sDropout Time Delay:......................................... 0.000 to 6000.000 s in steps of 0.001 sOperate Time: ...................................................... < 25 ms at 1.1 x pickup at 60 Hz< 30 ms at 1.1 x pickup at 50 HzTimer Accuracy:.................................................. ± 3% of delay setting or ± ¼ cycle (whichever is greater)from pickup to operateVOLTS PER HERTZ (24)Voltages: ................................................................. Phasor onlyPickup Level: ......................................................... 0.80 to 4.00 in steps of 0.01 puDropout Level:...................................................... 97 to 98% of pickupLevel Accuracy: ................................................... ±0.02 puTiming Curves: .....................................................Definite Time; IEC Inverse A/B/C; FlexCurves A, B, C, and DTD Multiplier: ......................................................... 0.05 to 600.00 s in steps of 0.01Reset Delay: .......................................................... 0.00 to 6000.000 s in steps of 0.01Timer Accuracy:.................................................. ±3% of operate time or ±15 cycles (whichever is greater) forvalues greater than 1.1 x pickupNumber of Elements: ........................................ 2Number of Elements: ........................................ 1
