RE: [teslafy] Re: high-frequency induction motors and generators?
- Small is as in aircraft servo motor. I have several web sites, but none of
them have my surplus stock listed. Sorry I don't have anything big enough
for your hybrid vehicle.
From: harmonseaver [mailto:hseaver@...]
Sent: Friday, July 05, 2002 8:52 AM
Subject: [teslafy] Re: high-frequency induction motors and generators?
How small is small? I'm really looking for something to do a hybrid
vehicle with. Do you have a website?
--- In teslafy@y..., "David Thomson" <dave@v...> wrote:
> I have lots of small 400hz motors in stock if you are interested.
> higher though.
> -----Original Message-----
> From: harmonseaver [mailto:hseaver@c...]
> Sent: Thursday, July 04, 2002 5:20 PM
> To: teslafy@y...
> Subject: [teslafy] Re: high-frequency induction motors and generators?
> --- In teslafy@y..., "harvich" <harvich@y...> wrote:
> > --- In teslafy@y..., "harmonseaver" <hseaver@c...> wrote:
> > > Does anyone know of a source for these, preferably used or surplus?
> > Fessenden worked with production of high frequency alternators, where
> > apparently Alexanderson may have been the primary engineering
> > influence in their production. An ordinary alternator has a field
> > that moves in rotation by slip ring contacts, via DC delivery for a
> > rotating field. The receiving coils, or stator winds are stable and
> > mounted in the housing. In the high frequency alternator both
> > windings are designed to rotate against the other. It is said that
> > Fessenden once insisted in a wooden commutator, which caused
> > Alexanderson to shake his head and mutter comments of derision.
> > Nevertheless they built them.
> > The high frequency motor is not known.
> > HDN
> It's not? Gee, the US military uses tons of them in aircraft and on
> ships. They're all 400hz, although I was wondering if there was any
> source for higher frequencys. And pretty much any induction generator
> will become a motor or visa versa.
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