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A single phase half-wave controlled rectifier has 400 sin314t as the input voltage and R as the load. For a firing angle of 60°,the average output voltage is

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A single phase half-wave controlled rectifier has 400 sin314t as the input voltage and R as the load. For a firing angle of 60°,the average output voltage is

(a) 200/π

(b) 300/π

(c) 100/π

(d) 400/π

The question was posed to me in exam.

My question is based upon Single-Phase HW AC-DC-3 in section Converters of Power Electronics

1 Answer

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by (45.1k points)
The correct answer is (b) 300/π

To elaborate: Vo = (Vm/2π) x (1+cosα) = 400/2π x (1+cos60) = 300/π.

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