Attachment 2813where Po, i is the output power of the ith output.
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Attachment 2813where Po, i is the output power of the ith output.
what kind of formula is that?
It's for power efficiency. and the one I need a definition for is
Σ
I know this is sigma but what is it used for in this equation? what value gets inserted there?
I've got most of the rest figured out as far as n being the effeciency, Po, i is the output on the i th bus p in is power in. but I can't get a lock on that sigma thing. (think anyone will guess that math isn't my strong point?) and by the way, is this considered algebra? or am I moving into unkown (by me) territories?
That is advanced Algebra I believe. Makes my head hurt looking at it this late. Can't recall the symbol either.
http://en.wikipedia.org/wiki/Summation
Try that link. Might help you figure it out better than I can atm :P
I guess my mom was right about me needing it one day.... shoulda paid more attention in school. at least now i have a better starting point. I'll look at it again in the morning.:sleep:
In case you need some more help, looks to me like what it says is: Sum all the outputs, divide by the input and multiply by 100.
Great, now I just have to figure out how to get the values for the output. do they make a kill-a-watt for the dc side of a PSU?