System and method for digitally compensating frequency and temperature induced errors in amplitude and phase shift in current sensing of electronic energy meters
作者： Scott Turner Holdsclaw , Edward John Beroset , Konstantin Zh. Lobastov , Rodney Hemminger , Valentin Suta
DOI:
关键词: Metre 、 Electrical engineering 、 Compensation (engineering) 、 Smoothing 、 Digital signal processor 、 Physics 、 Amplitude 、 Phase (waves) 、 Acoustics 、 Noise (electronics) 、 Digital signal processing
摘要: The phase shift in an electronic energy meter is compensated for by obtaining temperature (100) and frequency (200) readings the using these a digital signal processor (DSP) (14) residing within meter. compensation performed to each calibration result stored DSP. To reduce possible influence of noise system, DSP values are filtered (120) provide smoothing data.
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