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How to design an electronic energy meter ?

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shahid nawaz

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energy analyzer

how to design an electronic energy meter
 

sabeti_1990

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Re: energy analyzer

what do U mean from energy meter ?

is it w=v*i ?
 

seyyah

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Re: energy analyzer

sabeti_1990 said:
what do U mean from energy meter ?

is it w=v*i ?

I think he wants to calculate some different components of the electrical energy, like current, voltage, power, energy and harmonics and rms and average values etc.

My advice is to build a data acquisition board with a microcontroller added to it. The board should be able to measure current and voltage that you'll work on. It should sample them fast and clear enough. For this, you may use current and voltage sense ICs/parts or you may design some circuit which uses proper resistors, amplifiers etc to sense these assets. Then you'll pass these values to a microcontroller and calculate the required components. For example you'll make a fourier transform and find the harmoncis. Or you'll sample the electricity for a given period and calcuate the rms value etc.
 

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