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how to read actice power and apparent power value on ADE7763

Category: Datasheet/Specs
Product Number: ADE7763

hi guys.

im working on ADE7763 using Arduino Uno

i give ade7763 inputs (v1p-v1n, v2p-v2n) by using Analog Discovery 2.

and Vrms, Irms register give the the values as i respect when i change inputs waveform.

for example : 

both V1p-V1n, V2p-V2n input = 100mv --> Vrms =329827        Irms =387625

both V1p-V1n, V2p-V2n input = 300mv --> Vrms =989431        Irms =1163034

both V1p-V1n, V2p-V2n input = 500mv --> Vrms =1649628      Irms =1938418

But with LAENERGY and LVAENERGY is not that easy.  no matter what the input is, the output is always the same.

ActivePower is around  16775234 and ApparentPower is around 3326.

as i know in datasheet, maximum ActivePower value is 838861, and 708693 with ApparentPower.

can u guys tells me what i have to do to get accurate ActivePower and ApparentPower value.

tks u guys so much.