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| Ev Archive for February 1999 |
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| 1347 messages, last added Wed Aug 08 18:44:26 2001 |
[Date Index][Thread Index]
Re: Q about multi-phase motors.
Peter VanDerWal wrote:
>
> >Why only up to three-phase motors?
>
> I think one of the reasons folks on the list are interested in three-phase
> motors is because inexpensive three-phase industrial motors are available
> 'off the shelf'.
>
> If you went to 5 or 7 phases, then you'd have to have a custom made motor.
Or 4 or 6 phases for that matter.
The only reason I can think of apart from having to get a custom made
motor is the cost of the extra IGBT's you would require.
Steve
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