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  1. J

    PM motor field weakening

    Sorry can you just elaborate on that first part, is2 = id2 +iq2 and this damaging the coils. Aditionally is I'd and iq related to phase angle and phase current??? With phase current being the desired current and phase angle being the different between Id and iq current??? Many thanks
  2. J

    PM motor field weakening

    Afternoon all, I've been struggling to understand the exact working of field weakening in order to increase motor speed. My understanding is that to speed up the motor the AC voltage is increased, upto the base speed of the motor. At this point the rotor voltage and stator voltage is equal due...
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