Dc Motor Speed Control

Old 08-16-14, 06:08 PM
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Dc Motor Speed Control

I was wondering if I ran an ac current thru a dimmer switch and then thru a bridge rectifier would it work to change a dc motors speed.
Old 08-16-14, 08:53 PM
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Might be fun to try. Since most light dimmers work by changing the phase angle when the SCR (or Triac) is conducting they output pulses that are nearly as high as the peak of the sine wave and that should allow for starting the motor. I suspect that speed regulation will not be all that good running unloaded.

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