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Old 24-02-17, 08:27 PM   #9
TicklinJock
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Join Date: Feb 2012
Location: Highland
Posts: 80
Default Re: OMO, back EMF brushed dc motor speed control

Never designed one, just bought and used industrial versions. They had AC supplies so used Thyristor bridges, and used tacho-feedback for best speed control.
Used some small DC supplied ones that used MOSFETs, similar arrangement to a SMPS Buck circuit so with PWM.
I have old textbooks on power electronics that give the basic circuits.
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