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Calculate the average value of thyristor current in 3-Φ Full wave converter for the load current=729 A and α=3°.

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Calculate the average value of thyristor current in 3-Φ Full wave converter for the load current=729 A and α=3°.

(a) 254 A

(b) 285 A

(c) 247 A

(d) 243 A

This question was posed to me in unit test.

Origin of the question is Solid-State Switching Circuits in chapter Introduction to Solid-State Switching Circuits of Electric Drives

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The correct option is (d) 243 A

Best explanation: The average value of thyristor current in 3-Φ Full wave converter is Io÷3. It is the average value of the thyristor current. I(r.m.s) = Io÷3=243 A.

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