(A) 0.75 (X)
(B) 0.7 (X)
(C) 0.2 (X)
(D) 0.25 (
)
Answers: 4 thyristors rated 200 V in series. The operating voltage of the string is 600 V. Derating factor of the string 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_____________________?
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