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Power factor/ frequency / true rms measurement of a 230V AC 50hz signal
Basically I am set out to build a power analyzer,
which will include :- -1 phase supply monitoring- -Surge detection capabilities of the order of 10 microseconds -Data logging at configurable intervals -Current harmonics distortion calculation -Measurement of parameters -True rms I & V, KVA, KVAR , cos(phi) I need to find out how to measure the power factor from the AC mains supply using a DSP microntroller and MATLAB for demonstration purpose. So far I have reached a stage where I can acquire data using a conditioning circuit which includes a CT and a PT, followed by Instru. Amp. I tried looking for algorithms for measurement of these factors over the internet but didn't get any threads on the PF front. I would be really grateful if somebody could help me out with this. Thanking you in anticipation. Chetan. |
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