design of three phase watt meters .. need help

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salmeen

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I want information for the design of three phase watt meters ...

Also, i want information for circuit and waveform for AC voltmeter by using a PMMC and half wave rectiver ..

please , I realy need these informatin ...
 

You must read the book on high voltage(power) electronics , You must think of safeguard(Cowbar Circuit) first.
 

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