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Microcontroller based PFC

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rootkit

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Hello to all!

I am working on this project and I will ask for some suggestions. I was thinking to use current detector and voltage detector. Then I will pass the two signals to zero-cross detector and detect the time between the two pulses.

But a college of mine told me to search for ICs for PF measurement, I found only ICs for active correction in SMPS. So the questions are: are there any ICs with that purpose (so I can remove the voltage and current detectors and use 1 of those) and is this method (with the V and A detectors) good?
 

rootkit

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Ok, I found MCP3909, is it good for that purpose? Measurment and control of power factor with capacitor banks.
 

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