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how to convert a dc pwm output to ac ?

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how to convert a dc pwm output to ac ?

Postby Zammi » Sat Mar 01, 2014 6:14 am

I need to convert dc Pulse width modulated output from arduino to ac to regulate an ac fan of 220v. how to do it?
Zammi
 
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Re: how to convert a dc pwm output to ac ?

Postby Sebi » Fri Mar 07, 2014 3:20 pm

Hi,
the correct way: first convert PWM to DC voltage, e.g 0 to 10V. Build a DC-controlled AC-dimmer with triac or SCR output.
Sebi
 
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