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Power Electronics

Q1: A single phase half wave rectifier is feeding a resistive load. When a = 0, dc output voltage is 127 V. When a = 30°, the dc output voltage will be about

A 127 V

B 120 V

C 110 V

D 100 V

ANS:B - 120 V

Using Eq = 0.933. Hence Vdc for 30° firing angle = 0.933 x 127 = ≈ 120 V.



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