A SVD-Based Synchrophasor Estimator for P-Class PMUs With Improved Immune From Interharmonic Tones

The increasing use of renewable generation, power electronic devices, and nonlinear loads in power systems brings more severe interharmonic tones to the measurand, which can increase estimation errors of P-class PMUs, cause misoperation of protection relays, and even threaten the stability of the po...

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Autores principales:	Dongfang Zhao, Fuping Wang, Shisong Li, Lei Chen, Wei Zhao, Songling Huang
Formato:	article
Lenguaje:	EN
Publicado:	IEEE 2021
Materias:	Dynamic synchrophasor estimator FIR filter interharmonic phasor measurement unit singular value decomposition Electrical engineering. Electronics. Nuclear engineering TK1-9971
Acceso en línea:	https://doaj.org/article/683ec07c63b842dab57ee4b28f8436e0
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id	oai:doaj.org-article:683ec07c63b842dab57ee4b28f8436e0
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spelling	oai:doaj.org-article:683ec07c63b842dab57ee4b28f8436e02021-11-17T00:00:24ZA SVD-Based Synchrophasor Estimator for P-Class PMUs With Improved Immune From Interharmonic Tones2169-353610.1109/ACCESS.2021.3125997https://doaj.org/article/683ec07c63b842dab57ee4b28f8436e02021-01-01T00:00:00Zhttps://ieeexplore.ieee.org/document/9605650/https://doaj.org/toc/2169-3536The increasing use of renewable generation, power electronic devices, and nonlinear loads in power systems brings more severe interharmonic tones to the measurand, which can increase estimation errors of P-class PMUs, cause misoperation of protection relays, and even threaten the stability of the power systems. Therefore, the performance of the P-class synchrophasor estimator under interharmonic interference should be evaluated and new estimation schemes that can improve the operational robustness are needed for various protection and control applications. In this paper, a synchrophasor estimator design for P-class PMUs that introduces singular value decomposition to the least square algorithm based on the Taylor series is proposed. By constructing an optimization with proposed adjustable parameters, finite impulse response filters with high transition band attenuation are designed. Numerical and experimental tests verify the proposed dynamic synchrophasor estimator performance and show an effective improvement in rejecting interharmonic tones, especially when a short time window and light computational burden are required.Dongfang ZhaoFuping WangShisong LiLei ChenWei ZhaoSongling HuangIEEEarticleDynamic synchrophasor estimatorFIR filterinterharmonicphasor measurement unitsingular value decompositionElectrical engineering. Electronics. Nuclear engineeringTK1-9971ENIEEE Access, Vol 9, Pp 151567-151577 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Dynamic synchrophasor estimator FIR filter interharmonic phasor measurement unit singular value decomposition Electrical engineering. Electronics. Nuclear engineering TK1-9971
spellingShingle	Dynamic synchrophasor estimator FIR filter interharmonic phasor measurement unit singular value decomposition Electrical engineering. Electronics. Nuclear engineering TK1-9971 Dongfang Zhao Fuping Wang Shisong Li Lei Chen Wei Zhao Songling Huang A SVD-Based Synchrophasor Estimator for P-Class PMUs With Improved Immune From Interharmonic Tones
description	The increasing use of renewable generation, power electronic devices, and nonlinear loads in power systems brings more severe interharmonic tones to the measurand, which can increase estimation errors of P-class PMUs, cause misoperation of protection relays, and even threaten the stability of the power systems. Therefore, the performance of the P-class synchrophasor estimator under interharmonic interference should be evaluated and new estimation schemes that can improve the operational robustness are needed for various protection and control applications. In this paper, a synchrophasor estimator design for P-class PMUs that introduces singular value decomposition to the least square algorithm based on the Taylor series is proposed. By constructing an optimization with proposed adjustable parameters, finite impulse response filters with high transition band attenuation are designed. Numerical and experimental tests verify the proposed dynamic synchrophasor estimator performance and show an effective improvement in rejecting interharmonic tones, especially when a short time window and light computational burden are required.
format	article
author	Dongfang Zhao Fuping Wang Shisong Li Lei Chen Wei Zhao Songling Huang
author_facet	Dongfang Zhao Fuping Wang Shisong Li Lei Chen Wei Zhao Songling Huang
author_sort	Dongfang Zhao
title	A SVD-Based Synchrophasor Estimator for P-Class PMUs With Improved Immune From Interharmonic Tones
title_short	A SVD-Based Synchrophasor Estimator for P-Class PMUs With Improved Immune From Interharmonic Tones
title_full	A SVD-Based Synchrophasor Estimator for P-Class PMUs With Improved Immune From Interharmonic Tones
title_fullStr	A SVD-Based Synchrophasor Estimator for P-Class PMUs With Improved Immune From Interharmonic Tones
title_full_unstemmed	A SVD-Based Synchrophasor Estimator for P-Class PMUs With Improved Immune From Interharmonic Tones
title_sort	svd-based synchrophasor estimator for p-class pmus with improved immune from interharmonic tones
publisher	IEEE
publishDate	2021
url	https://doaj.org/article/683ec07c63b842dab57ee4b28f8436e0
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A SVD-Based Synchrophasor Estimator for P-Class PMUs With Improved Immune From Interharmonic Tones

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