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Discussion :: Electric Traction

  1. Which of the following methods is used to control speed of 25 kV, 50 Hz single phase traction?

    2. A.

     Reduced current method
    B.

     Tap changing control of transformer
    C.

     Series parallel operation of motors
    D.

     All of the above

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    Answer : Option B

    Explanation :

    Explanation Not Provided

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