4 thyristors rated 200 V in series. The operating voltage of the string is 600 V. Derating factor of the string is________?
A0.2
B0.75
C0.7
D0.25
Correct answer
D. 0.25
Explanation
The correct answer is 0.25.
4 thyristors rated 200 V in series. The operating voltage of the string is 600 V. Derating factor of the string is________? - Answer and Explanation | Academy of Pakistan