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ADE7880 - FWATT returns incorrect polarity near zero watts - otherwise works correctly

Question asked by Glenn_Wilson on May 8, 2017
Latest reply on May 8, 2017 by Glenn_Wilson

I've now been working with the ADE7880 for 11 months. In Delta Mode, I can read volts, amps, watts, va, calculate VARs, read various harmonics etc.

 

My problem is, when FWATTS are less than 2KVAR, FWATT returns the wrong polarity. 

 

Please help.

 

Thanks, Glenn Wilson

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