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  • What are the characteristics of three-phase sinusoidal AC?

    * Question

    What are the characteristics of three-phase sinusoidal AC?


    *
    Answer

    (1) The frequency of each phase of sinusoidal alternating current is the same;

    (2) The maximum values of sinusoidal alternating currents of each phase are the same;

    (3) The phase of each phase of sinusoidal alternating current is different from each other by l20.Their analytical expressions are: eu=Emsino)t ev=E.Sin (cot – 120.) ew = E.Sin(cot 120.


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