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Discussion :: Power Electronics

  1. A single phase half wave rectifier is feeding a resistive load. Input voltage v = Vm sin ωt. The output dc voltage is Vdc and output rms voltage is Vrms . If firing angle is 180°, Vdc and Vrms respectively are

    2. A.
    0 and 0
    B.
    C.
    0 and - Vm
    D.

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    Answer : Option A

    Explanation :

    Put a = 180° in Eqs

    Otherwise also a = 180° means no conduction.

    Hence zero output voltage.

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