VAMP 210 - Page 46

VAMP 210 Generator protection relay
Technical description
VAMP Ltd
12
Vamp 24h support phone: +358 (0)20 753 3264 VM210.EN004
Figure 2.2.1-5 Extremely Inverse (IEC 60255-3) characteristic.
1
80
2
−
⎟
⎠
⎞
⎜
⎝
⎛
>
⋅=
I
I
k
t
(See explanation for formula on page 10.)