Investigation of main and secondary transformers on mitigation of voltage sags, swells and interruptions in unbalanced medium voltage distribution systems
Autor(a) principal: | |
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Data de Publicação: | 2020 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UFRGS |
Texto Completo: | http://hdl.handle.net/10183/216519 |
Resumo: | Since voltage interruptions, sags and swells are Power Quality (PQ) disturbances with great economic impact, studies that seek alternatives to mitigate its effects have been conducted extensively. The PQ Brazilian standard names these disturbances as Short-Duration Voltage Variations (SDVVs), classified them in terms of magnitude, duration, and frequency of occurrence. These parameters are used to calculate the Impact Factor (IF) of SDVVs, a severity-characterization index of their incidence. In this context, this work assesses the influence of three-phase transformer winding connection and neutral grounding on the quantities of SDVVs and the IF observed by an industrial consumer in a distribution system. Fault simulations at ATPEMTP perform the study, considering two different winding connections for the secondary transformer and applying a grounding resistance to the neutral of the main transformer of the distribution system. The SDVVs are verified in two different ways: phase-to-ground and phase-to-phase voltages. It is observed that there are differences in these quantities and for the value of the IF due to the winding connection of the secondary transformer, the value of the neutral grounding resistance of the main transformer and the ways of voltage verification. |
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Costa, Lucas Araujo daGazzana, Daniel da SilvaLeborgne, Roberto Chouhy2020-12-15T04:10:01Z20201532-5016http://hdl.handle.net/10183/216519001119185Since voltage interruptions, sags and swells are Power Quality (PQ) disturbances with great economic impact, studies that seek alternatives to mitigate its effects have been conducted extensively. The PQ Brazilian standard names these disturbances as Short-Duration Voltage Variations (SDVVs), classified them in terms of magnitude, duration, and frequency of occurrence. These parameters are used to calculate the Impact Factor (IF) of SDVVs, a severity-characterization index of their incidence. In this context, this work assesses the influence of three-phase transformer winding connection and neutral grounding on the quantities of SDVVs and the IF observed by an industrial consumer in a distribution system. Fault simulations at ATPEMTP perform the study, considering two different winding connections for the secondary transformer and applying a grounding resistance to the neutral of the main transformer of the distribution system. The SDVVs are verified in two different ways: phase-to-ground and phase-to-phase voltages. It is observed that there are differences in these quantities and for the value of the IF due to the winding connection of the secondary transformer, the value of the neutral grounding resistance of the main transformer and the ways of voltage verification.application/pdfengElectric Power Components and Systems [recurso eletrônico]. [London] : Taylor & Francis, 2020. Vol. 48, no. 8 (2020), p. 858-869TransformadoresTensão elétricaAterramento elétricoEnergia elétrica : DistribuiçãoNeutral groundingTransformer winding connectionShort-duration voltage variationPower qualityLoad connectionDistribution systemInvestigation of main and secondary transformers on mitigation of voltage sags, swells and interruptions in unbalanced medium voltage distribution systemsEstrangeiroinfo:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da UFRGSinstname:Universidade Federal do Rio Grande do Sul (UFRGS)instacron:UFRGSTEXT001119185.pdf.txt001119185.pdf.txtExtracted Texttext/plain44144http://www.lume.ufrgs.br/bitstream/10183/216519/2/001119185.pdf.txtb1fc2cbc84d7158c22a9b264c30f8b0aMD52ORIGINAL001119185.pdfTexto completo (inglês)application/pdf1447368http://www.lume.ufrgs.br/bitstream/10183/216519/1/001119185.pdf7fc4a6d379b034e3b9d0f8fcc861feafMD5110183/2165192022-04-05 04:42:27.704251oai:www.lume.ufrgs.br:10183/216519Repositório de PublicaçõesPUBhttps://lume.ufrgs.br/oai/requestopendoar:2022-04-05T07:42:27Repositório Institucional da UFRGS - Universidade Federal do Rio Grande do Sul (UFRGS)false |
dc.title.pt_BR.fl_str_mv |
Investigation of main and secondary transformers on mitigation of voltage sags, swells and interruptions in unbalanced medium voltage distribution systems |
title |
Investigation of main and secondary transformers on mitigation of voltage sags, swells and interruptions in unbalanced medium voltage distribution systems |
spellingShingle |
Investigation of main and secondary transformers on mitigation of voltage sags, swells and interruptions in unbalanced medium voltage distribution systems Costa, Lucas Araujo da Transformadores Tensão elétrica Aterramento elétrico Energia elétrica : Distribuição Neutral grounding Transformer winding connection Short-duration voltage variation Power quality Load connection Distribution system |
title_short |
Investigation of main and secondary transformers on mitigation of voltage sags, swells and interruptions in unbalanced medium voltage distribution systems |
title_full |
Investigation of main and secondary transformers on mitigation of voltage sags, swells and interruptions in unbalanced medium voltage distribution systems |
title_fullStr |
Investigation of main and secondary transformers on mitigation of voltage sags, swells and interruptions in unbalanced medium voltage distribution systems |
title_full_unstemmed |
Investigation of main and secondary transformers on mitigation of voltage sags, swells and interruptions in unbalanced medium voltage distribution systems |
title_sort |
Investigation of main and secondary transformers on mitigation of voltage sags, swells and interruptions in unbalanced medium voltage distribution systems |
author |
Costa, Lucas Araujo da |
author_facet |
Costa, Lucas Araujo da Gazzana, Daniel da Silva Leborgne, Roberto Chouhy |
author_role |
author |
author2 |
Gazzana, Daniel da Silva Leborgne, Roberto Chouhy |
author2_role |
author author |
dc.contributor.author.fl_str_mv |
Costa, Lucas Araujo da Gazzana, Daniel da Silva Leborgne, Roberto Chouhy |
dc.subject.por.fl_str_mv |
Transformadores Tensão elétrica Aterramento elétrico Energia elétrica : Distribuição |
topic |
Transformadores Tensão elétrica Aterramento elétrico Energia elétrica : Distribuição Neutral grounding Transformer winding connection Short-duration voltage variation Power quality Load connection Distribution system |
dc.subject.eng.fl_str_mv |
Neutral grounding Transformer winding connection Short-duration voltage variation Power quality Load connection Distribution system |
description |
Since voltage interruptions, sags and swells are Power Quality (PQ) disturbances with great economic impact, studies that seek alternatives to mitigate its effects have been conducted extensively. The PQ Brazilian standard names these disturbances as Short-Duration Voltage Variations (SDVVs), classified them in terms of magnitude, duration, and frequency of occurrence. These parameters are used to calculate the Impact Factor (IF) of SDVVs, a severity-characterization index of their incidence. In this context, this work assesses the influence of three-phase transformer winding connection and neutral grounding on the quantities of SDVVs and the IF observed by an industrial consumer in a distribution system. Fault simulations at ATPEMTP perform the study, considering two different winding connections for the secondary transformer and applying a grounding resistance to the neutral of the main transformer of the distribution system. The SDVVs are verified in two different ways: phase-to-ground and phase-to-phase voltages. It is observed that there are differences in these quantities and for the value of the IF due to the winding connection of the secondary transformer, the value of the neutral grounding resistance of the main transformer and the ways of voltage verification. |
publishDate |
2020 |
dc.date.accessioned.fl_str_mv |
2020-12-15T04:10:01Z |
dc.date.issued.fl_str_mv |
2020 |
dc.type.driver.fl_str_mv |
Estrangeiro info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
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publishedVersion |
dc.identifier.uri.fl_str_mv |
http://hdl.handle.net/10183/216519 |
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1532-5016 |
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001119185 |
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http://hdl.handle.net/10183/216519 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.ispartof.pt_BR.fl_str_mv |
Electric Power Components and Systems [recurso eletrônico]. [London] : Taylor & Francis, 2020. Vol. 48, no. 8 (2020), p. 858-869 |
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info:eu-repo/semantics/openAccess |
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openAccess |
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