Re: question about electric fan motor

Those things work by changing the phase angle between the voltage and
current. The voltage itself is not reduced.

Really though anything that the OP tries will cost a lot.
Jim
"Juergen Hannappel" <hannappel@xxxxxxxxxxxxxxxxxx> wrote in message
news:x1ek31iao1.fsf@xxxxxxxxxxxxxxxxxxxxxxxxxxx
> "Josh" <jcaron2@xxxxxxxxx> writes:
>
>>>If you run the present fans on 110V they will burn out. The motor is
>
> [...]
>
>>
>> At any rate, I still agree with Tyke's conclusion - don't do it.
>
> On the other hand: Fan motors are sometimes made slower by putting a
> transformer in, sometimes even biggish (several kW) three-phase fan
> motors are slowd by adjustable three phase transformers. (Seen that
> once when a cooling fan of that type used to cool some delicate
> electronics blew so much air that the airflow made the electronics
> boards vibrate too much, so the fan had to be slowed down, and an
> electronic dimmer was out of the question because of the
> electromagnetic noise it would produce...)
> --
> Dr. Juergen Hannappel http://lisa2.physik.uni-bonn.de/~hannappe
> mailto:hannappel@xxxxxxxxxxxxxxxxxx Phone: +49 228 73 2447 FAX ... 7869
> Physikalisches Institut der Uni Bonn Nussallee 12, D-53115 Bonn, Germany
> CERN: Phone: +412276 76461 Fax: ..77930 Bat. 892-R-A13 CH-1211 Geneve 23


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