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[AMPS] 3 phase transforers and single phase

To: <amps@contesting.com>
Subject: [AMPS] 3 phase transforers and single phase
From: Peter_Chadwick@mitel.com (Peter Chadwick)
Date: Thu, 19 Apr 2001 07:29:49 +0100
Bill asked:

>Recall the discussion of running a 3 phase power supply 
>off of single phase mains?  


The model engineering people  running 3 phase motors  use either
capacitive splits (so not true 3 phase) or inverters, or (a very few), motor
generators.

My inverter (for the mill and the lathe) can be bought for about $250 over here,
and 
will provide variable frequency drive (thus variable speed) for a 1hp machine -
it's 
about 850 watts continuous output. It's in a box about 6 inches by 5 inches by 
3 inches. Output powers up to abt 3kW are available from large units.


73

Peter G3RZP

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