Re: alternators for 3 phase power...

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: davep <davep-at-quik-dot-com> 


>  > >I have a Delco Remy Car Alternator that
>  > >I have converted to three phase AC, with pulley
>  > >arrangements made to procure 480 hz I just put this
>  > >thing through some grueling tests, not a wise thing to
>  > >do since the amount of internal heat generated at the
>  > >end of these tests was probably enough to start
>  > >melting the insulation, and I could smell that
>  > >starting to happen. At the end of these tests I was
>  > >making 46.7 volts with some 9 amps. (which might be
>  > >considered about 420 watts output!)

>  > Most alternators can do 60 amps..  12V x 60 = 720 watts.  I would think
>  > your alternator would run cool!!

>What's the rotating speed of the alternator (i.e. is it a 2 or 4 pole
>device...)... The 60 Amp output from the alternator is typically with the
>engine running at >3000 RPM, and the alternator is "geared" (actually
>"belted") to run somewhat faster than the engine.

         GOOD POINT!
         I missed that 'un....

         best
         dwp