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phase voltage

Discussion in 'Electrical Engineering' started by [email protected], Aug 17, 2013.

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  1. Guest

    If the following equation gives the phase voltage for a PMAC when the phase current (Iph) is in phase with the back emf (Eph)

    Vph = (Eph + Rs*Iph) + j*2*pi*frequency in hertz*Ls*Iph

    how would equation change when the Iph is 180 degrees out of phase with the back emf?
  2. Don Kelly

    Don Kelly Guest

    replace Iph by -Iph or + by -
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