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  • Users: AkaShri
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  1. AkaShri

    Too low power factor for a 3 phase induction motor

    Hello, I have recorded 3 phase current and 3 phase voltage waveforms for a small induction motor (3 hp) with Delta connection. Voltages (phase) were measured with respect to a common ground. Load on the motor is about 60-70%. However, calculated power factor (real power/apparent power) is quite...
  2. AkaShri

    re. impedance measurement for three phase motors

    Hello everyone, For a delta three phase motor, how to calculate impedance (and impedance unbalance) with three phase current and voltage measurement at motor control center ? Do we have to divide RMS line voltage with RMS current ? How the impedance unbalance related to motor efficiency loss, is...

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