Electronics and Communication Engineering - Power Electronics - Discussion

37. 

A single phase full wave regulator feeds a resistive load. The firing angle of thyristors is 90°. The input power factor is

[A]. 1
[B]. 0.707 lagging
[C]. 0.5 lagging
[D]. 0.2 lagging

Answer: Option B

Explanation:

No answer description available for this question.

Engor said: (Sep 4, 2019)  
How to solve this? Please help.

Engor said: (Sep 4, 2019)  
How to solve this? Please help.

Zaud said: (Jul 13, 2021)  
Single phase Full wave regulator : 2Thyristors.
a (total) = 90°.
a (each) = 45°.
Power factor : pf = cos45 = 0.707.

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