Hy,

For ADE7763, it seems confuse to me on how does the meter measure the power factor(PF) as the PF is needed to measure the active power=VI cos θ. Because to measure the power factor we can just divide active power with apparent power. But, there is no PF being measured and hence how does the energy can be calculated?

Hi Farahin

The active power algorithm of ADE7763 is implemented in such a way that it looks at the time domain samples of V and I in a coherent manner. So, the phase information is taken into account while computing active power without needing to compute PF first. But in the application, the PF value can be computed in the way that you specify using the energy values read from ADE7763.

Regards

hmani