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3ph PWM signal — Parallax Forums

3ph PWM signal

bennettdanbennettdan Posts: 614
edited 2010-10-21 07:45 in Propeller 1
Hello,
I want to use PWM and generate 3 signals 120 degrees apart to control my DC to 3 Phase AC inverter i have been working on. I have a few circuits that are not using a micro but I would like more control over the PWM signals a micro would have.
I have looked into the samples for PWM but I dont see how i could use them to make the 3 signals i need 120 degrees apart. Thanks for any help.

Comments

  • ElectricAyeElectricAye Posts: 4,561
    edited 2010-10-21 07:45
    bennettdan wrote: »
    Hello,
    I want to use PWM and generate 3 signals 120 degrees apart....
    I have looked into the samples for PWM but I dont see how i could use them to make the 3 signals i need 120 degrees apart.....

    Did you search in the Object Exchange (OBEX)? I think Beau has what you need (see link below), but there might be others, too. Look at the PhaseSync method in the following:

    http://obex.parallax.com/objects/467/

    hope that helps,
    :)
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