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For a string voltage of 3300 V, let there be six series connected SCRs each of voltage 600V. Then the string efficiency is

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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 %

This question was posed to me in final exam.

My enquiry is from Interconnecting Thyristors topic in portion Power Electronics Devices of Power Electronics

1 Answer

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by (45.1k points)
Correct answer is (c) 98.54 %

To explain: String efficiency = 3300/(6 x 600) = 98.54.

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