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Old April 26th 09, 10:33 AM posted to sci.electronics.design,alt.comp.hardware,sci.electronics.basics,alt.comp.hardware.pc-homebuilt,sci.electronics.repair
Ken[_7_]
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Posts: 47
Default Power Conversion Electronics

On Sun, 26 Apr 2009 02:20:26 -0700 (PDT), pg
wrote:

I just purchase a Silverstone Power Supply Unit (PSU) for my PC.

I am amaze with the PFC (Power Factor Correction) rating
of over 0.96, which, according to some indicators,
means it's 96% efficient. (4% wastage as heat).


PFC and efficiency are not the same thing.
http://en.wikipedia.org/wiki/Power_factor_correction
http://en.wikipedia.org/wiki/Energy_...ion_efficiency