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Re: phase conversion

Original poster: "Jim Lux" <jimlux-at-earthlink-dot-net> 

----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Wednesday, March 31, 2004 4:37 PM
Subject: Re: phase conversion

 > Original poster: "Gerry Reynolds" <gerryreynolds-at-earthlink-dot-net>
 > One thought, maybe, is to drive a single phase moter with your single
 > that is mechanically coupled to a three phase motor that acts as a
 > giving you 3 phase output.
 > Gerry R

This is essentially what a rotary converter does, saving you the mass of one
of the motors by doing it all in one unit.  the motor coupled to generator
scheme requires synchronous motors and generators too (if you want decent
frequency control), while the rotary converter scheme (i.e. the 3 phase
motor fed with one phase) produces the right frequency automatically.