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DC energy meter with ADE755 and PIC16F877

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astra91

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Hello I am working on a project to measure the DC energy with ADE7755 and PIC16F877 want to ask of Where can I find the C code for this peak to indicate if someone has an idea or some where is an example to help me I would be extremely grateful.
 

Hi,

The link is for AC energy meter.

Building a DC energy meter is much more simple.
Just measure current with a fixed sample rate.
Multiply it with the voltage (should be constant for a DC source). Then you have the Watts.
Divide it by the sample frequency (f in 1/s for Ws, f in 1/h) to get the energy per sample
Integrate this value to get the energy.

Klaus
 

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