A single - phase fully controlled thyristor bridge ac - dc converter is operating at a firing angle of 25 and an overlap angle 10 with constant dc output current of 20 A. The fundamental power factor (displacement factor) at input ac mains is

A single - phase fully controlled thyristor bridge ac - dc converter i

1.	A single - phase fully controlled thyristor bridge ac - dc converter is operating at a firing angle of 25 and an overlap angle 10 with constant dc output current of 20 A. The fundamental power factor (displacement factor) at input ac mains is
A.	0.78
B.	0.827
C.	0.866
D.	0.9
Answer» B. 0.827

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A single - phase fully controlled thyristor bridge ac - dc converter is operating at a firing angle of 25 and an overlap angle 10 with constant dc output current of 20 A. The fundamental power factor (displacement factor) at input ac mains is

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