380v vs 240v power

phiscock-g851W1bGYuGnS0EtXVNi6w at public.gmane.org phiscock-g851W1bGYuGnS0EtXVNi6w at public.gmane.org
Tue Apr 18 03:15:51 UTC 2006


> Sorry about not being clearer.  In single phase 60 Hz power, there are
> 120 power peaks per second or 2 per cycle, when the voltage and current
> are maximum (assuming non-reactive load).  With 3 phase, the power is
> constant throughout the cycle, with no peaks.

OK, I get it. Also, as I recall, a three-phase induction motor has better
starting torque than a two-phase motor.

Peter

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-- 
Peter Hiscocks
Syscomp Electronic Design Limited, Toronto
http://www.syscompdesign.com
USB Oscilloscope and Waveform Generator
647-839-0325

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TLUG requests: Linux topics, No HTML, wrap text below 80 columns
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