Motor speed control

Posted on Jan 9, 2013

Universal motors and shade d-pole induction motors can be easily controlled with a full-wave Triac speed controller. Q1 combines both the triac and diac trigger diodes in the same case. The motor used for the load must be limited to 6 amperes maximum. Triac Ql must be provided with a heat sink

Motor speed control
Click here to download the full size of the above Circuit.

With the component values shown, the Triac controls motor speed"from full off to full on.

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