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Discussion :: Power Electronics

  1. In a 3 phase full wave regulator feeding resistance load connected in star, the possible range of firing angle a is

    2. A.
    0 ≤ a ≤ 180°
    B.
    0 ≤ a ≤ 150°
    C.
    0 ≤ a ≤ 120°
    D.
    0 ≤ a ≤ 90°

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    Answer : Option B

    Explanation :

    Since output voltage is zero if a ≥ 150°, the possible range of firing angles is 0 ≤ a ≤ 150°.

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