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David Nebenzahl David Nebenzahl is offline
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Default Kill-a-Watt surprises

On 11/4/2009 10:36 AM D Yuniskis spake thus:

Phil Hobbs wrote:

Yes, of course. But a VA-hour is a meaningless unit unless you know the
power factor--real power costs money and fuel, whereas (apart from
transmission losses) reactive power just sloshes back and forth cycle by


This one is a keeper -----------------^^^^^^^^^^^^^^^^^^^^^^^^^^^
;-)

cycle. That's why multiplying it by any period of time longer than a
cycle is meaningless.


Ah, so electricity really *is* like water, eh? (Volts = pressure, amps =
flow.)


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