VAMP 210 - Page 44

VAMP 210 Generator protection relay
Technical description
VAMP Ltd
10
Vamp 24h support phone: +358 (0)20 753 3264 VM210.EN004
Figure 2.2.1-3 Normal Inverse (IEC 60255-3) characteristic.
t[s] = Trip time
k = Time multiplier
I = Measured current
I> = I set current
1
14,0
02,0
−
⎟
⎠
⎞
⎜
⎝
⎛
>
⋅=
I
I
k
t