Experimental Determination of Parameters of Nonlinear Electrical Load

The paper deals with issues of modeling nonlinear electrical loads of various types, such an uncontrolled rectifier, thyristor rectifier, thyristor power regulator and mixed equivalent nonlinear load. For these load types, existing analytical expressions were identified to determine the magnitudes o...

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Autores principales:	Aleksandr Skamyin, Yaroslav Shklyarskiy, Vasiliy Dobush, Iuliia Dobush
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	harmonics total harmonic distortion power quality nonlinear electrical load capacitor banks passive filters Technology T
Acceso en línea:	https://doaj.org/article/8e96d2cfe3e049cbb72d7fc033d9e2b7
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id	oai:doaj.org-article:8e96d2cfe3e049cbb72d7fc033d9e2b7
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spelling	oai:doaj.org-article:8e96d2cfe3e049cbb72d7fc033d9e2b72021-11-25T17:28:34ZExperimental Determination of Parameters of Nonlinear Electrical Load10.3390/en142277621996-1073https://doaj.org/article/8e96d2cfe3e049cbb72d7fc033d9e2b72021-11-01T00:00:00Zhttps://www.mdpi.com/1996-1073/14/22/7762https://doaj.org/toc/1996-1073The paper deals with issues of modeling nonlinear electrical loads of various types, such an uncontrolled rectifier, thyristor rectifier, thyristor power regulator and mixed equivalent nonlinear load. For these load types, existing analytical expressions were identified to determine the magnitudes of harmonic currents, and waveforms of currents were obtained during measurements in laboratory conditions with variable parameters of the grid impedance and load. The obtained results were compared, and it was found that the error in determining the magnitudes of harmonic currents can reach 60% for an individual load and 54% for an equivalent load. A more accurate method for determining the parameters of nonlinear electrical load is also proposed, which is based on the application of shunt harmonic filters. In laboratory conditions, it was found that when using the developed method, the error did not exceed 10% for an individual load and 14% for an equivalent load.Aleksandr SkamyinYaroslav ShklyarskiyVasiliy DobushIuliia DobushMDPI AGarticleharmonicstotal harmonic distortionpower qualitynonlinear electrical loadcapacitor bankspassive filtersTechnologyTENEnergies, Vol 14, Iss 7762, p 7762 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	harmonics total harmonic distortion power quality nonlinear electrical load capacitor banks passive filters Technology T
spellingShingle	harmonics total harmonic distortion power quality nonlinear electrical load capacitor banks passive filters Technology T Aleksandr Skamyin Yaroslav Shklyarskiy Vasiliy Dobush Iuliia Dobush Experimental Determination of Parameters of Nonlinear Electrical Load
description	The paper deals with issues of modeling nonlinear electrical loads of various types, such an uncontrolled rectifier, thyristor rectifier, thyristor power regulator and mixed equivalent nonlinear load. For these load types, existing analytical expressions were identified to determine the magnitudes of harmonic currents, and waveforms of currents were obtained during measurements in laboratory conditions with variable parameters of the grid impedance and load. The obtained results were compared, and it was found that the error in determining the magnitudes of harmonic currents can reach 60% for an individual load and 54% for an equivalent load. A more accurate method for determining the parameters of nonlinear electrical load is also proposed, which is based on the application of shunt harmonic filters. In laboratory conditions, it was found that when using the developed method, the error did not exceed 10% for an individual load and 14% for an equivalent load.
format	article
author	Aleksandr Skamyin Yaroslav Shklyarskiy Vasiliy Dobush Iuliia Dobush
author_facet	Aleksandr Skamyin Yaroslav Shklyarskiy Vasiliy Dobush Iuliia Dobush
author_sort	Aleksandr Skamyin
title	Experimental Determination of Parameters of Nonlinear Electrical Load
title_short	Experimental Determination of Parameters of Nonlinear Electrical Load
title_full	Experimental Determination of Parameters of Nonlinear Electrical Load
title_fullStr	Experimental Determination of Parameters of Nonlinear Electrical Load
title_full_unstemmed	Experimental Determination of Parameters of Nonlinear Electrical Load
title_sort	experimental determination of parameters of nonlinear electrical load
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/8e96d2cfe3e049cbb72d7fc033d9e2b7
work_keys_str_mv	AT aleksandrskamyin experimentaldeterminationofparametersofnonlinearelectricalload AT yaroslavshklyarskiy experimentaldeterminationofparametersofnonlinearelectricalload AT vasiliydobush experimentaldeterminationofparametersofnonlinearelectricalload AT iuliiadobush experimentaldeterminationofparametersofnonlinearelectricalload
_version_	1718412297579266048

Experimental Determination of Parameters of Nonlinear Electrical Load

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