Question:-
Common-data for question 50&51:

Ten, thyristors are used in a string to with stand a dc voltage Vs = 15 kv. The Maximum leakage current and recovery charge differences of thyristors are 10 mA and 150 mc, respectively. If each voltage has a voltage sharing resistance of R = 56 k ohm and capacitance of C1 = 0.5 mF

Q. 50. What is the steady state derating factor ??
Option (A)
12.25%
Option (B)
25.15%
Option(C)
50%
Option(D)
52.5%
Correct Option:
(B)
question-answer-faq-1647