[TCML] terminology

["Neal Namowicz" <neal@xxxxxxxxxxxxxxxx>]

Hello everyone,
Could someone explain why different terms are used for 'basically' the same measurements? The example which I am thinking about specifically at the moment is kva vs. watts. Why do we say that a transformer is rated at say, 5kva, instead of 5000 watts? This leads back to another question, how is a power source reactive vs. "non"- reactive? Maybe I'm over-simplifying things by saying that any power source is non-reactive until a load is placed upon it. I've tried doing a search of the archives, but this was as far as I've gotten. Thanks for your help (and patience :)

Neal.
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