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Calculate the value of THD value for 3-Φ Fully controlled rectifier.

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Calculate the value of THD value for 3-Φ Fully controlled rectifier.

(a) 48.43 %

(b) 47.25 %

(c) 39.26 %

(d) 31 %

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Enquiry is from Solid State Controlled Drives topic in portion Introduction to Solid State Controlled Drives of Electric Drives

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Right option is (d) 31 %

Explanation: The value of the distortion factor is .95. The value of THD value for 3-Φ Fully controlled rectifier is √(1÷.95)^2-1=31 %. THD measures the amount of harmonic distortion.

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