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electronics and communication engineering power electronics
1. In a 3 phase semiconverter, the dc output voltage for a certain firing angle is 50% of the maximum possible value. The firing angle is
(A): 120°
(B): 30°
(C): 60°
(D): 90°
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Comments
By: guest on 02 Jun 2017 01.11 am
Vdc ∝ (1 + cos a ). Maximum possible output voltage occurs when a = 0.
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