Table 3 Threshold values

1

MOV energy for L–G fault

0.3 MJ

2

MOV energy for L–L fault

4.2 MJ

3

MOV energy for L–L–G fault

3.5 MJ

4

MOV energy for 3-phase fault

5 MJ

5

Ig for L–G fault

2000 A

6

Ig for L–L fault

100 A

7

Ig for L–L–G fault

1400 A