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Discussion :: Power Electronics

  1. If Vdc1 is the dc output voltage in half wave controlled rectifier circuit feeding resistive load and Vdc2 is the dc output voltage in full wave controlled rectifier circuit (M - 2 connection) feeding resistive load, then

    2. A.
    Vdc1 = 0.5 Vdc2 for all values of firing angle
    B.
    Vdc1 = Vdc2 for all values of firing angle
    C.
    Vdc1 ≤ 0.5 Vdc2 for all values of firing angle
    D.
    Vdc1 ≥ 0.5 Vdc2 for all values of firing angle

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    Answer : Option A

    Explanation :

    and Vdc = (1 + cos a).

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