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A single-phase full converter bridge, is connected to a RLE load. The source has a rms voltage of 230 V and the average load current is 10 A. Find the firing angle for which the power flows from AC source to the DC load. Consider E = 120 V, R = 0.4 Ω.

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A single-phase full converter bridge, is connected to a RLE load. The source has a rms voltage of 230 V and the average load current is 10 A. Find the firing angle for which the power flows from AC source to the DC load. Consider E  = 120 V, R = 0.4 Ω.

(a) 26.4°

(b) 53.2°

(c) 142°

(d) 39°

The question was posed to me by my college director while I was bunking the class.

My question is from Single Phase FW AC-DC-4 in portion Converters of Power Electronics

1 Answer

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by (45.1k points)
The correct choice is (b) 53.2°

For explanation: We have,

Vo = E + IR

Vo = 2Vm/π x cosα

Substitute the given values to discover α = 53.208°.

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