Woodward HighPROtec MCDLV4, Руководство пользователя

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Specifications
Because detection of direction is based on DFT values, direction elements
works only in nominal range (fN
±
5Hz).
Phase Directional Sensitivity:
I[x] Value Release Level
In: 1A (5A)
Blocking Level
In: 1A (5A)
I - V (3-phases) I
V
10 mA (50 mA)
0.35 V
5 mA (25mA)
0.25 V
Ground Directional Sensitivity:
IG[x] Value Release Level
In: 1A (5A)
Blocking Level
In: 1A (5A)
IG meas - 3V0 IG meas
IG (sensitive)
3V0
10 mA (50 mA)
1 mA ( 5 mA)
0.35 V
5 mA (25 mA)
0.5 mA (2.5 mA)
0.25 V
IG calc - 3V0 IG calc
3V0
18 mA (90 mA)
1 V
11 mA (55 mA)
0.8 V
IG calc - Ipol (IG meas ) IG calc
IG meas
IG (sensitive)
18 mA (90 mA)
10 mA (50 mA)
1 mA ( 5 mA)
11 mA (55 mA)
5 mA (25 mA)
0.5 mA (2.5 mA)
IG meas - Neg, IG calc - Neg I2
V2
10 mA (50 mA)
0.35 V
5 mA (25 mA)
0.25 V
Phase Differential Protection:
Id Accuracy
Id > ±3% of the setting value or 2% In.
Operating time
Id > 2 x pickup
(step from zero to 200% pickup of 87-Char)
<40 ms
Typically trip time 35 ms
Shortest trip time 23 ms
Unrestrained Phase Differential Protection:
IdH Accuracy
Id >> ±3% of the setting value or 2% In.
Operating time
Id > 1.1 x pickup: <30 ms
Typically trip time 23 ms
Shortest trip time 19 ms
Ground Differential Protection:
IdG[x] Accuracy
IdgG > ±3% of the setting value or 2% In.
Operating time
Idg > 2 x pickup
(step from zero to 200% pickup of 87G-Char)
<40 ms
Typically trip time 30 ms
Shortest trip time 18 ms
Unrestrained Ground Differential Protection:
IdGH[x] Accuracy
IdG >> ±3% of the setting value or 2% In.
Operating time
Idg > 1.1 x pickup: <30 ms
Typically trip time 19 ms
Shortest trip time 13 ms
1257 MCDLV4 DOK-HB-MCDLV4-2E