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    Thiruarasu's Avatar
    Thiruarasu Posts: 2, Reputation: 1
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    #1

    Aug 14, 2010, 10:37 AM
    Why capacitors are used in ceiling fans?
    Why capacitors are used in ceiling fans?
    Stratmando's Avatar
    Stratmando Posts: 11,188, Reputation: 508
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    #2

    Aug 14, 2010, 11:32 AM

    Usually speed control.
    KISS's Avatar
    KISS Posts: 12,510, Reputation: 839
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    #3

    Aug 14, 2010, 02:08 PM

    They shift the phase on one of the windings, thus causing rotation. The value of the cap determines speed. The windings have slightly different resistances.

    Ceiling fans are a type of motor called a permanent split capacitor (PSC) motor.
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