Adaptive Power Factor Regulation under Asymmetrical and Non-Sinusoidal Grid Condition with Distributed Energy Resource
Autor(a) principal: | |
---|---|
Data de Publicação: | 2021 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1109/ACCESS.2021.3119335 http://hdl.handle.net/11449/233698 |
Resumo: | Active and reactive power regulation, unbalanced current compensation, and harmonic current mitigation are the most significant functionalities typically embedded to a three-phase multifunctional grid-connected inverter. However, a vital control feature minimally addressed in the literature is the capability to adjust the grid power factor to the minimum value required by standards or grid codes. Hence, this paper presents an adaptive compensation approach to perform dynamic power factor regulation under varying power demand and unpredictable energy generation, also withstanding non-ideal voltage conditions. To demonstrate such an approach, a global power factor definition is first introduced, being validated upon bidirectional power flow conditions and under unbalanced and distorted voltages. Secondly, a simple algorithm is devised to attain scaling coefficients used on compensation purposes, allowing to instantaneously weigh up reference control signals to track a desired grid-side power factor value. As a result, the strategy can be used to retrofit the controllers of grid-connected inverters with little effort, limiting distribution losses and improving power quality. Simulations and analyses of a representative real study case are conducted to illustrate how the proposed approach copes with unpredictable distributed energy resources and variable load demands. Moreover, experimental results considering a grid-connected inverter prototype are shown to validate the feasibility of the control approach to real-life implementations. |
id |
UNSP_fb74ea9fbc5d97ee129d3de2f40f5477 |
---|---|
oai_identifier_str |
oai:repositorio.unesp.br:11449/233698 |
network_acronym_str |
UNSP |
network_name_str |
Repositório Institucional da UNESP |
repository_id_str |
2946 |
spelling |
Adaptive Power Factor Regulation under Asymmetrical and Non-Sinusoidal Grid Condition with Distributed Energy ResourceAdaptive compensationancillary functionsdistributed energy resourcesmultifunctional grid-connected inverterpower factor compensationpower qualityActive and reactive power regulation, unbalanced current compensation, and harmonic current mitigation are the most significant functionalities typically embedded to a three-phase multifunctional grid-connected inverter. However, a vital control feature minimally addressed in the literature is the capability to adjust the grid power factor to the minimum value required by standards or grid codes. Hence, this paper presents an adaptive compensation approach to perform dynamic power factor regulation under varying power demand and unpredictable energy generation, also withstanding non-ideal voltage conditions. To demonstrate such an approach, a global power factor definition is first introduced, being validated upon bidirectional power flow conditions and under unbalanced and distorted voltages. Secondly, a simple algorithm is devised to attain scaling coefficients used on compensation purposes, allowing to instantaneously weigh up reference control signals to track a desired grid-side power factor value. As a result, the strategy can be used to retrofit the controllers of grid-connected inverters with little effort, limiting distribution losses and improving power quality. Simulations and analyses of a representative real study case are conducted to illustrate how the proposed approach copes with unpredictable distributed energy resources and variable load demands. Moreover, experimental results considering a grid-connected inverter prototype are shown to validate the feasibility of the control approach to real-life implementations.Department of Electrical Engineering Federal University of Mato Grosso (UFMT)Institute of Science and Technology of Sorocaba Saõ Paulo State University (UNESP)Institute of Science and Technology of Sorocaba Saõ Paulo State University (UNESP)Federal University of Mato Grosso (UFMT)Universidade Estadual Paulista (UNESP)Bonaldo, Jakson PauloDe Souza, Vinicius A. [UNESP]Alonso, Augusto Matheus Dos Santos [UNESP]Arenas, Luis De Oro [UNESP]Marafao, Fernando Pinhabel [UNESP]Paredes, Helmo K. Morales [UNESP]2022-05-01T09:47:19Z2022-05-01T09:47:19Z2021-01-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article140487-140503http://dx.doi.org/10.1109/ACCESS.2021.3119335IEEE Access, v. 9, p. 140487-140503.2169-3536http://hdl.handle.net/11449/23369810.1109/ACCESS.2021.31193352-s2.0-85117283216Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengIEEE Accessinfo:eu-repo/semantics/openAccess2022-05-01T09:47:19Zoai:repositorio.unesp.br:11449/233698Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T22:59:55.138269Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Adaptive Power Factor Regulation under Asymmetrical and Non-Sinusoidal Grid Condition with Distributed Energy Resource |
title |
Adaptive Power Factor Regulation under Asymmetrical and Non-Sinusoidal Grid Condition with Distributed Energy Resource |
spellingShingle |
Adaptive Power Factor Regulation under Asymmetrical and Non-Sinusoidal Grid Condition with Distributed Energy Resource Bonaldo, Jakson Paulo Adaptive compensation ancillary functions distributed energy resources multifunctional grid-connected inverter power factor compensation power quality |
title_short |
Adaptive Power Factor Regulation under Asymmetrical and Non-Sinusoidal Grid Condition with Distributed Energy Resource |
title_full |
Adaptive Power Factor Regulation under Asymmetrical and Non-Sinusoidal Grid Condition with Distributed Energy Resource |
title_fullStr |
Adaptive Power Factor Regulation under Asymmetrical and Non-Sinusoidal Grid Condition with Distributed Energy Resource |
title_full_unstemmed |
Adaptive Power Factor Regulation under Asymmetrical and Non-Sinusoidal Grid Condition with Distributed Energy Resource |
title_sort |
Adaptive Power Factor Regulation under Asymmetrical and Non-Sinusoidal Grid Condition with Distributed Energy Resource |
author |
Bonaldo, Jakson Paulo |
author_facet |
Bonaldo, Jakson Paulo De Souza, Vinicius A. [UNESP] Alonso, Augusto Matheus Dos Santos [UNESP] Arenas, Luis De Oro [UNESP] Marafao, Fernando Pinhabel [UNESP] Paredes, Helmo K. Morales [UNESP] |
author_role |
author |
author2 |
De Souza, Vinicius A. [UNESP] Alonso, Augusto Matheus Dos Santos [UNESP] Arenas, Luis De Oro [UNESP] Marafao, Fernando Pinhabel [UNESP] Paredes, Helmo K. Morales [UNESP] |
author2_role |
author author author author author |
dc.contributor.none.fl_str_mv |
Federal University of Mato Grosso (UFMT) Universidade Estadual Paulista (UNESP) |
dc.contributor.author.fl_str_mv |
Bonaldo, Jakson Paulo De Souza, Vinicius A. [UNESP] Alonso, Augusto Matheus Dos Santos [UNESP] Arenas, Luis De Oro [UNESP] Marafao, Fernando Pinhabel [UNESP] Paredes, Helmo K. Morales [UNESP] |
dc.subject.por.fl_str_mv |
Adaptive compensation ancillary functions distributed energy resources multifunctional grid-connected inverter power factor compensation power quality |
topic |
Adaptive compensation ancillary functions distributed energy resources multifunctional grid-connected inverter power factor compensation power quality |
description |
Active and reactive power regulation, unbalanced current compensation, and harmonic current mitigation are the most significant functionalities typically embedded to a three-phase multifunctional grid-connected inverter. However, a vital control feature minimally addressed in the literature is the capability to adjust the grid power factor to the minimum value required by standards or grid codes. Hence, this paper presents an adaptive compensation approach to perform dynamic power factor regulation under varying power demand and unpredictable energy generation, also withstanding non-ideal voltage conditions. To demonstrate such an approach, a global power factor definition is first introduced, being validated upon bidirectional power flow conditions and under unbalanced and distorted voltages. Secondly, a simple algorithm is devised to attain scaling coefficients used on compensation purposes, allowing to instantaneously weigh up reference control signals to track a desired grid-side power factor value. As a result, the strategy can be used to retrofit the controllers of grid-connected inverters with little effort, limiting distribution losses and improving power quality. Simulations and analyses of a representative real study case are conducted to illustrate how the proposed approach copes with unpredictable distributed energy resources and variable load demands. Moreover, experimental results considering a grid-connected inverter prototype are shown to validate the feasibility of the control approach to real-life implementations. |
publishDate |
2021 |
dc.date.none.fl_str_mv |
2021-01-01 2022-05-01T09:47:19Z 2022-05-01T09:47:19Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.1109/ACCESS.2021.3119335 IEEE Access, v. 9, p. 140487-140503. 2169-3536 http://hdl.handle.net/11449/233698 10.1109/ACCESS.2021.3119335 2-s2.0-85117283216 |
url |
http://dx.doi.org/10.1109/ACCESS.2021.3119335 http://hdl.handle.net/11449/233698 |
identifier_str_mv |
IEEE Access, v. 9, p. 140487-140503. 2169-3536 10.1109/ACCESS.2021.3119335 2-s2.0-85117283216 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
IEEE Access |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
140487-140503 |
dc.source.none.fl_str_mv |
Scopus reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
_version_ |
1808129480306196480 |