For a string voltage of 3300 V, let there be six series connected SCRs each of voltage 600V. Then the string efficiency is a) 99.36 % b) 91.7 % c) 98.54 % d) 96 %
For a string voltage of 3300 V, let there be six series connected SCRs each of voltage 600V. Then the string efficiency is a) 99.36 % b) 91.7 % c) 98.54 % d) 96 %
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Answer: c
Explanation: String efficiency = 3300/(6 x 600) = 98.54