Power Factor & kWH?

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A little trig is sufficient, IMO.
Nick
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On Sat, 12 Nov 2005 05:32:14 -0500, nicksanspam wrote:

Simple algebra is enough, depending on what you're starting with. If you have the instantaneous voltage and current and a four-function calculator, you have all you need.
--
Keith


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wrote: : > : >>... The physics of reactive power requires calculus to understand. : > : > A little trig is sufficient, IMO. : : Simple algebra is enough, depending on what you're starting with. If you : have the instantaneous voltage and current and a four-function calculator, : you have all you need. : : -- : Keith
Umm, then how do you get the instantaneous voltage/current over time?
You know, the phase difference? It varies with time too.
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