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The measure of reliability of string is given by the factor

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in Power Electronics by (27.1k points)
The measure of reliability of string is given by the factor

(a) DRF = 1 – String efficiency

(b) DRF = 1 + String efficiency

(c) DRF =  String efficiency – 1

(d) DRF = String efficiency x 2

The question was posed to me in class test.

Question is taken from Interconnecting Thyristors in division Power Electronics Devices of Power Electronics

1 Answer

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by (45.1k points)
Correct choice is (a) DRF = 1 – String efficiency

For explanation: DRF is de-rating factor given by the above expression.

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