UKM Tuticorin

Tag: #ekelectricaldec2020q10

  • EK Electrical Dec 2020 (Q10)

    EK Electrical Dec 2020 (Q10)

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    UKM TUTICORIN
    in

    With reference to braking of a.c. induction motors: (a) Explain why braking may be required; (2) (b) Explain why electrical braking is preferable to mechanical braking; (2) (c) Explain the term plugging; (2) (d) Describe how dynamic braking is achieved. (4) Dec 2020 (Q10)