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Re: Re: Re: another look at volts, amps and watts
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Posted by buickanddeere on January 23, 2004 at 07:44:34 from (192.75.48.2):
In Reply to: Re: Re: another look at volts, amps and watts posted by Bigdog on January 23, 2004 at 06:41:50:
Volt amps is the apparant power on an inductive or capacitive loads. Real power is volts x amps x power factor.
That's how induction motors circulate reactive power in and out that doesn't do work. Just wastes power warming the conductors and requiring oversize feeders right back to the power plant.
The solution is better motor/ballast design and adding capacitors at the final terminal box.
The country wouldn't have a power shortage and would pollute much less if every electrical device had to have a PF of .9 or better.
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