Woodward HighPROtec MCDLV4, Manual

Page: 1261 / 1275

Specifications
Directional Power Protection:
PQS[x] with Mode = S> or S< Accuracy
*1)
Threshold ±3% or ±0.1% Sn
Dropout Ratio 97% or 1 VA for S>
103% or 1 VA for S<
t ±1% or ±10 ms
Operating time 75 ms
Disengaging time 100 ms
Directional Power Protection:
PQS[x] with Mode = P> P< or Pr>/Pr< Accuracy *1)
Threshold ±3% or ±0.1% Sn
Dropout Ratio 97% or 1 VA for P> and Pr>
103% or 1 VA for P< and Pr<
for setting values ≤ 0.1 Sn:
58% or 0.5 VA for P> and Pr>
142% or 0.5 VA for P< and Pr<
for setting values ≤ 0.01 Sn
58% or 0.2 VA for P> and Pr>
142% or 0.2 VA for P< and Pr<
t ±1% or ±10 ms
Operating time 75 ms
Disengaging time 100 ms
Directional Power Protection:
PQS[x] with Mode = Q>/Q< or Qr>/Qr< Accuracy *1)
Threshold ±3% or ±0.1% Sn
Dropout Ratio 97% or 1 VA for Q> and Qr>
103% or 1 VA for Q< and Qr<
for setting values ≤ 0.1 Sn:
58% or 0.5 VA for Q> and Qr>
142% or 0.5 VA for Q< and Qr<
for setting values ≤ 0.01 Sn
58% or 0.2 VA for Q> and Qr>
142% or 0.2 VA for Q< and Qr<
t ±1% or ±10 ms
Operating time 75 ms
Disengaging time 100 ms
*1) Common reference conditions: at |PF|>0.5, symmetrically fed, at fn and 0.8 - 1.3 x Vn (Vn=100V)
Auto Reclosing:
AR Accuracy
t (all timers) ±1% or ±20 ms
Sync-Check:
Sync Accuracy
Voltage measurement ±1.5% of the setting value or 1% Vn
Slip Frequency measurement ±20 mHz at fn
Angle measurement ±2°
Angle Compensation measurement ±4°
t (all timers) ±1% or ±10 ms
1261 MCDLV4 DOK-HB-MCDLV4-2E