A Real Time Adaptive Monitoring Method for Power Signal Harmonic Analysis

Tao Li; Xue Jun Pi; Rui Liu

doi:10.4028/www.scientific.net/AMR.811.447

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 811A Real Time Adaptive Monitoring Method for Power...

A Real Time Adaptive Monitoring Method for Power Signal Harmonic Analysis

Abstract:

With wider deployments of smart meters, smart grids, and distributed generation, power quality monitoring has become increasingly important. It is well known that fast Fourier transform (FFT) is a powerful tools for power signal harmonic analysis, but leakage effect, picket fence effect, and aliasing effect make FFT suffer from specific restrictions. In this paper, we proposed a new method for power signal harmonic analysis. The major components of this method are a frequency and phasor estimating algorithm, a real time procedure and an adaptive monitoring. To verify this method, we provided the comparisons of this method with FFT.

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Periodical:

Advanced Materials Research (Volume 811)

Pages:

447-452

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.811.447

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Online since:

September 2013

Authors:

Tao Li, Xue Jun Pi, Rui Liu

Keywords:

Fast Fourier Transform (FFT), Goertzel Algorithm, Harmonic Analysis, Real Time Adaptive Monitoring (RTAM)

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