Woodward HighPROTEC - Page 787

Protective Elements
Characteristic / Curve Shape: INV B
787 MCDGV4 DOK-HB-MCDGV4-2E
1 1.2 1.4 1.6 1.8 2
0.1
1
10
100
1000
10
3
1
0.3
0.1
Time To Trip [s]
Multiples of volts per hertz pickup
t-multiplier
t =
t-multiplier
-1
( )
V / Vn
V/f>
f / fN