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Homework Help: Speed control of induction motor in steady state

  1. Nov 26, 2013 #1
    In this experiment, we'd learn about vector control of an induction motor. By using the constant rotor flux linkage vector control method, An AC induction motor can achieve a DC motor-like performance.
    Firstly, we tested on speed control response in steady state.
    *the proportional gain kp = 2.0 (rated value) and the integral gain kI= 20.0 (rated value)

    The x-axis represents speed instruction (or speed command)

    My questions here are:
    1. Can someone explain the rise and fall of the phase current?

    2. Can we extend the line voltage to the y-axis? (it'd look something like a V-shape)

    Attached Files:

  2. jcsd
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