Study of harmonics detection based on parametric spectral estimation method

ZHANG Tingzhong; MA Hongyu; SHI Manman; SUN Yidi

doi:10.13272/j.issn.1671-251x.2016.03.014

Volume 42 Issue 3

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ZHANG Tingzhong, MA Hongyu, SHI Manman, et al. Study of harmonics detection based on parametric spectral estimation method[J]. Industry and Mine Automation, 2016, 42(3): 60-64. doi: 10.13272/j.issn.1671-251x.2016.03.014

Citation:

ZHANG Tingzhong, MA Hongyu, SHI Manman, et al. Study of harmonics detection based on parametric spectral estimation method[J]. Industry and Mine Automation, 2016, 42(3): 60-64. doi: 10.13272/j.issn.1671-251x.2016.03.014

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Study of harmonics detection based on parametric spectral estimation method

doi: 10.13272/j.issn.1671-251x.2016.03.014

1.
School of Information and Electrical Engineering, China University of Mining and Technology, Xuzhou 221008, China
2.
College of Science, Nanjing University of Posts and Telecommunications, Nanjing 2

Publish Date: 2016-03-10

Abstract

Abstract

Three parametric spectral estimation methods including Yule Walker, Burg and Covariance were studied and an improved Covariance method was proposed based on analysis of AR model. The four kinds of parametric spectral estimation method were used for harmonics, inter-harmonics, and sub-harmonic detection on Matlab simulation platform. The simulation results show that the parametric spectral estimation method can detect not only integer harmonics, but also has good detection effect on inter-harmonics and sub-harmonics, and Burg and improved Covariance method have the best detection effect.
- harmonics detection,
- parametric spectral estimation,
- AR model