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Waross... we appear to be in agreement. Displacement Power Factor v's Distortion Power Factor: https://en.wikipedia.org/wiki/Power_factor#:~:text=Distortion%20power%20factor%20is%20a,power%20transferred%20to%20the%20load "Distortion power factor is a measure of how much the harmonic distortion...

Quoting Waross: "In some cases the calculated interest on the cost of the PFC may be greater than the saving in energy cost." Many PFC users claim that the savings are ~1/3 of the power bill. Given the potential metering error that claim sounds reasonable. PFC (or some other method of...

Responding to 3D Dave on the Hall effect: Quote from the article: "A deviation of +276 % was measured with one static energy meter, +265% with a second and -46% with a third static energy meter. After dismantling it was revealed that the meters with the positive deviation used a Rogowski coil...

Quoting Waross "A small capacitor is often enough to attenuate the very high frequency spikes." A long time ago (as a kid) an electrician told me to fit a capacitor to stop the crackle and pop on the TV and static on the radio. It didn't seem to make much difference. Years later after...

Quoting 3DDave "There are probably a large number of devices that can limit the transmission of noise to the power meters; if you want to, go ahead and buy a PFC system and install it..." Dave is right... any device that limits the transmission of noise should work. It doesn't have to be a PFC...

Did anyone read the full IEEE article or just the story about the article (the IEEE reference was included in the article)? https://ieeexplore.ieee.org/document/7866234 The full article is available on ResearchGate...

This IEEE article explains that PFC helps smart meters read correctly... otherwise they can overcharge you for power by up to 582%...