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Discussion :: Automatic Control Systems

  1. The maximum shift which can be provided by a lead compensator with transfer function is

    2. A.
    15°
    B.
    30°
    C.
    45°
    D.
    60°

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    Answer : Option B

    Explanation :

    The maximum phase lead is given by

    In this case a = 1/3. Hence sin Φm = = 0.5 or Φm = 30°.

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