2007•Electrical Measurement & InstrumentationRequires access
Harmonic and energy measurement
Chu Da-hua
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Abstract
The nonlinear load causes the distortion of the AC sine wave and produces harmonic,polluting the power frequency grid.This paper introduces the correct measuring method of the non-sine wave active energy,the reason of the error of the electric Watt meter under the harmonic condition and the assess method of affection of the harmonic on the electric Watt meter.