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Cost of three phase and single phase induction motor

  1. Feb 21, 2016 #1
    hi guys....
    which will be costlier-single phase induction machine or three phase induction machine for same power rating, same rpm speed, same input voltage and current.???
     
  2. jcsd
  3. Feb 22, 2016 #2

    Svein

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    Science Advisor

    Strictly speaking, there is no such thing as a single phase induction motor, but you can "fake" it (see http://www.allaboutcircuits.com/textbook/alternating-current/chpt-13/single-phase-induction-motors/). Since it involves more components, it should be more expensive, but sales volume might tend to equalize the costs.
     
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