An Evaluation of Flicker Emissions from Small Wind Turbines

It is well known that the output power from small wind turbines (SWTs) fluctuates noticeably more when compared to that from other types of dispersed generators, such as residential photovoltaic (PV) power generation systems. Thus, the degradation of voltage quality, such as flicker emissions, when...

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Autores principales:	Junji Kondoh, Daisuke Kodaira
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	flicker emissions small wind turbine Thevenin equivalent impedance voltage variation output power fluctuation low-voltage distribution system Technology T
Acceso en línea:	https://doaj.org/article/a9cef9fc6c7c4d54ad1c826c7210aeb9
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spelling	oai:doaj.org-article:a9cef9fc6c7c4d54ad1c826c7210aeb92021-11-11T16:01:06ZAn Evaluation of Flicker Emissions from Small Wind Turbines10.3390/en142172631996-1073https://doaj.org/article/a9cef9fc6c7c4d54ad1c826c7210aeb92021-11-01T00:00:00Zhttps://www.mdpi.com/1996-1073/14/21/7263https://doaj.org/toc/1996-1073It is well known that the output power from small wind turbines (SWTs) fluctuates noticeably more when compared to that from other types of dispersed generators, such as residential photovoltaic (PV) power generation systems. Thus, the degradation of voltage quality, such as flicker emissions, when numerous SWTs are installed in a low-voltage distribution system is a particular concern. Nevertheless, practical examples of flicker emissions from small wind power facilities have not been made public. This paper aims to clarify the characteristics of flicker emissions by SWTs and their severity. The measurement results at the two selected sites indicate that the flicker emissions solely caused by variable-speed SWTs with a total power rating of <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mo>~</mo></semantics></math></inline-formula>20 kW are notably lower than the upper limit, and they are at their highest when the mean total output power is approximately 3/4 of the total power rating of small wind power facilities.Junji KondohDaisuke KodairaMDPI AGarticleflicker emissionssmall wind turbineThevenin equivalent impedancevoltage variationoutput power fluctuationlow-voltage distribution systemTechnologyTENEnergies, Vol 14, Iss 7263, p 7263 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	flicker emissions small wind turbine Thevenin equivalent impedance voltage variation output power fluctuation low-voltage distribution system Technology T
spellingShingle	flicker emissions small wind turbine Thevenin equivalent impedance voltage variation output power fluctuation low-voltage distribution system Technology T Junji Kondoh Daisuke Kodaira An Evaluation of Flicker Emissions from Small Wind Turbines
description	It is well known that the output power from small wind turbines (SWTs) fluctuates noticeably more when compared to that from other types of dispersed generators, such as residential photovoltaic (PV) power generation systems. Thus, the degradation of voltage quality, such as flicker emissions, when numerous SWTs are installed in a low-voltage distribution system is a particular concern. Nevertheless, practical examples of flicker emissions from small wind power facilities have not been made public. This paper aims to clarify the characteristics of flicker emissions by SWTs and their severity. The measurement results at the two selected sites indicate that the flicker emissions solely caused by variable-speed SWTs with a total power rating of <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mo>~</mo></semantics></math></inline-formula>20 kW are notably lower than the upper limit, and they are at their highest when the mean total output power is approximately 3/4 of the total power rating of small wind power facilities.
format	article
author	Junji Kondoh Daisuke Kodaira
author_facet	Junji Kondoh Daisuke Kodaira
author_sort	Junji Kondoh
title	An Evaluation of Flicker Emissions from Small Wind Turbines
title_short	An Evaluation of Flicker Emissions from Small Wind Turbines
title_full	An Evaluation of Flicker Emissions from Small Wind Turbines
title_fullStr	An Evaluation of Flicker Emissions from Small Wind Turbines
title_full_unstemmed	An Evaluation of Flicker Emissions from Small Wind Turbines
title_sort	evaluation of flicker emissions from small wind turbines
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/a9cef9fc6c7c4d54ad1c826c7210aeb9
work_keys_str_mv	AT junjikondoh anevaluationofflickeremissionsfromsmallwindturbines AT daisukekodaira anevaluationofflickeremissionsfromsmallwindturbines AT junjikondoh evaluationofflickeremissionsfromsmallwindturbines AT daisukekodaira evaluationofflickeremissionsfromsmallwindturbines
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An Evaluation of Flicker Emissions from Small Wind Turbines

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