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electronics and communication engineering power electronics
1. In a 3 phase full wave regulator feeding resistance load connected in star, the possible range of firing angle a is
(A): 0 ≤ a ≤ 120°
(B): 0 ≤ a ≤ 150°
(C): 0 ≤ a ≤ 180°
(D): 0 ≤ a ≤ 90°
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By: guest on 02 Jun 2017 01.11 am
Since output voltage is zero if a ≥ 150°, the possible range of firing angles is 0 ≤ a ≤ 150°.
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