A single phase fully controlled thyristor bridge ac-dc converter is op – McqOptions

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1.	A single phase fully controlled thyristor bridge ac-dc converter is operating at a firing angle of 25 degree, and an overlap angle 10 degree with constant dc output current of 20A. The fundamental power factor ( displacement factor) at input ac mains is [GATE 2007]
A.	0.78
B.	0.827
C.	0.866
D.	0.9
Answer» B. 0.827

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