piclist 2001\02\16\172241a >
Thread: URGENT Power Control help needed
face BY : David VanHorn email (remove spam text)

>You might consider building an emitter follower circuit and using a
>potentiometer in the base to control the base voltage.  I don't know how
>that would work with an AC motor.  I used something like that on an old
>auto dc fan motor to get a variable speed control - worked OK.

Likely to get REALLY hot.
AC motors aren't designed to be speed controlled, except by altering the
drive frequency (within limits)

Dave's Engineering Page: http://www.dvanhorn.org
Where's dave? http://www.findu.com/cgi-bin/find.cgi?kc6ete-9

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In reply to: <27F5AF5F2C1BD2119F860008C7F4730A03FC14A3@co-srv-06.ridgid. com>
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Subject (change) URGENT Power Control help needed

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