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PWM_SCALING

Pulse width modulation (PWM) scaling is used to scale down the voltages computed from the fieldoriented control (FOC) to fit within the PWM carrier wave magnitude range. It also adds a bias to shiftnegative voltages to positive level.


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Features and Benefits

  • Scales the voltage from motor control loop to PWM carrier magnitude
  • Introduces bias to convert bipolar sinusoidal/SVM voltage to unipolar voltage
  • Operates in per unit, where 2^16 represents rated values

    • Documentation

    Title
    PWM Scaling User Guide Download