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Control ac motor using pwm

  1. Aug 26, 2012 #1
    I want to controll ac motor using pwm.sir told me for that you required volage controller and phase controller.if voltage is controlled by pwm so why i want to use this phase and voltage controller?
  2. jcsd
  3. Aug 26, 2012 #2
    Re: controll acmotor using pwm

    Voltage can be control in pwm?
  4. Aug 26, 2012 #3


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  5. Aug 27, 2012 #4
    I want to controll the ac motor.if i can controll it with 8051microcontroller only?sir told me that in extra you required voltage controller and phase controller.why i require this two?
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