Avaliação da impedância virtual no problema do compartilhamento de potência em microrredes
Autor(a) principal: | |
---|---|
Data de Publicação: | 2023 |
Tipo de documento: | Dissertação |
Idioma: | por |
Título da fonte: | Biblioteca Digital de Teses e Dissertações do UNIOESTE |
Texto Completo: | https://tede.unioeste.br/handle/tede/6938 |
Resumo: | Reactive power sharing is a common problem in a microgrid (MG), which may result in undesired events such as overloading of converters and feeders, higher thermal losses, voltage sags and consequent deterioration of the MG stability. One of the most consolidated control techniques in the literature to correct this problem has been the virtual impedance, which simulates the insertion of an impedance between the converter and the feeder, manipulating the reference voltage of the converter control. However, in addition to the difficulty of adjusting the impedance values to be inserted, whose depend on the size and topology of the MG, the implementation of fixed virtual impedance values does not take into account the dynamics of the MG loads, which can make worse the power sharing issue depending on the load scenario or MG topology reconfiguration. In this context, this work studied real-time virtual impedance adjustment techniques to correct the reactive power-sharing issue in MGs, and classified them according to their communication scheme. Three of these techniques were selected and implemented in two MGs with generation based on power electronic converters, one with a central bus topology and another with a distributed buses topology, and the performances of the techniques were compared. Also, it was proposed a combined operation of a centralized technique as the main technique and a decentralized one as backup of the first one in case of communication failure and its operation was evaluated in a radial topology MG. The simulations showed that, although centralized techniques perform better than decentralized ones, due to the reliability problem of techniques that use communication, the best result can be achieved with a combination of techniques. |
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Almeida, Adriano Batista dehttp://lattes.cnpq.br/2483742275772291Marujo, Diogohttp://lattes.cnpq.br/0507143597634871Motter, Danielhttp://lattes.cnpq.br/2485951756714882Gonçalves, Amilcar Flamarion Querubinihttp://lattes.cnpq.br/1742343294433199http://lattes.cnpq.br/2838873068833458Felisberto, Kim Diefrei Remboski2023-12-06T14:35:52Z2023-06-22Felisberto, Kim Diefrei Remboski. Avaliação da impedância virtual no problema do compartilhamento de potência em microrredes. 2023. 79 f. Dissertação (Programa de Pós-Graduação em Engenharia Elétrica e Computação) - Universidade Estadual do Oeste do Paraná, Foz do Iguaçu - PR.https://tede.unioeste.br/handle/tede/6938Reactive power sharing is a common problem in a microgrid (MG), which may result in undesired events such as overloading of converters and feeders, higher thermal losses, voltage sags and consequent deterioration of the MG stability. One of the most consolidated control techniques in the literature to correct this problem has been the virtual impedance, which simulates the insertion of an impedance between the converter and the feeder, manipulating the reference voltage of the converter control. However, in addition to the difficulty of adjusting the impedance values to be inserted, whose depend on the size and topology of the MG, the implementation of fixed virtual impedance values does not take into account the dynamics of the MG loads, which can make worse the power sharing issue depending on the load scenario or MG topology reconfiguration. In this context, this work studied real-time virtual impedance adjustment techniques to correct the reactive power-sharing issue in MGs, and classified them according to their communication scheme. Three of these techniques were selected and implemented in two MGs with generation based on power electronic converters, one with a central bus topology and another with a distributed buses topology, and the performances of the techniques were compared. Also, it was proposed a combined operation of a centralized technique as the main technique and a decentralized one as backup of the first one in case of communication failure and its operation was evaluated in a radial topology MG. The simulations showed that, although centralized techniques perform better than decentralized ones, due to the reliability problem of techniques that use communication, the best result can be achieved with a combination of techniques.O compartilhamento de potência reativa é um problema comum em uma microrrede (MR), podendo resultar em eventos indesejados tais como sobrecarga de conversores e alimentadores, maiores perdas térmicas, afundamentos de tensão e consequente piora da estabilidade da MR. Uma das técnicas de controle mais consolidadas na literatura para correção deste problema tem sido a impedância virtual, a qual simula a inserção de uma impedância entre o conversor e o alimentador manipulando a tensão de referência do controle do conversor. No entanto, além da dificuldade de ajustar os valores das impedâncias a serem inseridas, a depender do tamanho e topologia da MR, a implementação de valores fixos de impedância virtual não leva em consideração a dinâmica das cargas da MR, o que pode levar a uma piora do problema dependendo do cenário de carga ou reconfiguração da topologia da MR. Diante deste contexto, neste trabalho foram estudadas técnicas de ajuste da impedância virtual em tempo real para corrigir o compartilhamento de potência reativa em MRs, e classificadas conforme seu esquema de comunicação. Três dessas técnicas foram selecionadas e implementadas em duas MRs com geração baseada em conversores eletrônicos de potência, uma com topologia de barramento central e outra de topologia de barramentos distribuídos, e os desempenhos das técnicas foram comparados. Ainda, foi proposta uma operação conjunta de uma técnica centralizada como técnica principal e uma descentralizada como backup da primeira em caso de falha da comunicação e seu funcionamento foi avaliado em uma MR de topologia radial. As simulações mostraram que, embora as técnicas centralizadas apresentem desempenho superior ao das descentralizadas, devido ao problema de confiabilidade das técnicas que utilizam comunicação, o melhor resultado pode ser atingido com uma combinação de técnicas.Submitted by Katia Abreu (katia.abreu@unioeste.br) on 2023-12-06T14:35:52Z No. of bitstreams: 1 Kim_Diefrei_Remboski_Felisberto_2023.pdf: 2086866 bytes, checksum: 2043e0474f0a1eb6d9a34e40f1a2a156 (MD5)Made available in DSpace on 2023-12-06T14:35:52Z (GMT). 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dc.title.por.fl_str_mv |
Avaliação da impedância virtual no problema do compartilhamento de potência em microrredes |
dc.title.alternative.eng.fl_str_mv |
Evaluation of virtual impedance in the problem of sharing power in microgrids |
title |
Avaliação da impedância virtual no problema do compartilhamento de potência em microrredes |
spellingShingle |
Avaliação da impedância virtual no problema do compartilhamento de potência em microrredes Felisberto, Kim Diefrei Remboski Microrredes Compartilhamento de potência reativa Impedância virtual Microgrids Reactive power sharing Virtual impedance ENGENHARIAS::ENGENHARIA ELETRICA |
title_short |
Avaliação da impedância virtual no problema do compartilhamento de potência em microrredes |
title_full |
Avaliação da impedância virtual no problema do compartilhamento de potência em microrredes |
title_fullStr |
Avaliação da impedância virtual no problema do compartilhamento de potência em microrredes |
title_full_unstemmed |
Avaliação da impedância virtual no problema do compartilhamento de potência em microrredes |
title_sort |
Avaliação da impedância virtual no problema do compartilhamento de potência em microrredes |
author |
Felisberto, Kim Diefrei Remboski |
author_facet |
Felisberto, Kim Diefrei Remboski |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Almeida, Adriano Batista de |
dc.contributor.advisor1Lattes.fl_str_mv |
http://lattes.cnpq.br/2483742275772291 |
dc.contributor.advisor-co1.fl_str_mv |
Marujo, Diogo |
dc.contributor.advisor-co1Lattes.fl_str_mv |
http://lattes.cnpq.br/0507143597634871 |
dc.contributor.referee1.fl_str_mv |
Motter, Daniel |
dc.contributor.referee1Lattes.fl_str_mv |
http://lattes.cnpq.br/2485951756714882 |
dc.contributor.referee2.fl_str_mv |
Gonçalves, Amilcar Flamarion Querubini |
dc.contributor.referee2Lattes.fl_str_mv |
http://lattes.cnpq.br/1742343294433199 |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/2838873068833458 |
dc.contributor.author.fl_str_mv |
Felisberto, Kim Diefrei Remboski |
contributor_str_mv |
Almeida, Adriano Batista de Marujo, Diogo Motter, Daniel Gonçalves, Amilcar Flamarion Querubini |
dc.subject.por.fl_str_mv |
Microrredes Compartilhamento de potência reativa Impedância virtual |
topic |
Microrredes Compartilhamento de potência reativa Impedância virtual Microgrids Reactive power sharing Virtual impedance ENGENHARIAS::ENGENHARIA ELETRICA |
dc.subject.eng.fl_str_mv |
Microgrids Reactive power sharing Virtual impedance |
dc.subject.cnpq.fl_str_mv |
ENGENHARIAS::ENGENHARIA ELETRICA |
description |
Reactive power sharing is a common problem in a microgrid (MG), which may result in undesired events such as overloading of converters and feeders, higher thermal losses, voltage sags and consequent deterioration of the MG stability. One of the most consolidated control techniques in the literature to correct this problem has been the virtual impedance, which simulates the insertion of an impedance between the converter and the feeder, manipulating the reference voltage of the converter control. However, in addition to the difficulty of adjusting the impedance values to be inserted, whose depend on the size and topology of the MG, the implementation of fixed virtual impedance values does not take into account the dynamics of the MG loads, which can make worse the power sharing issue depending on the load scenario or MG topology reconfiguration. In this context, this work studied real-time virtual impedance adjustment techniques to correct the reactive power-sharing issue in MGs, and classified them according to their communication scheme. Three of these techniques were selected and implemented in two MGs with generation based on power electronic converters, one with a central bus topology and another with a distributed buses topology, and the performances of the techniques were compared. Also, it was proposed a combined operation of a centralized technique as the main technique and a decentralized one as backup of the first one in case of communication failure and its operation was evaluated in a radial topology MG. The simulations showed that, although centralized techniques perform better than decentralized ones, due to the reliability problem of techniques that use communication, the best result can be achieved with a combination of techniques. |
publishDate |
2023 |
dc.date.accessioned.fl_str_mv |
2023-12-06T14:35:52Z |
dc.date.issued.fl_str_mv |
2023-06-22 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/masterThesis |
format |
masterThesis |
status_str |
publishedVersion |
dc.identifier.citation.fl_str_mv |
Felisberto, Kim Diefrei Remboski. Avaliação da impedância virtual no problema do compartilhamento de potência em microrredes. 2023. 79 f. Dissertação (Programa de Pós-Graduação em Engenharia Elétrica e Computação) - Universidade Estadual do Oeste do Paraná, Foz do Iguaçu - PR. |
dc.identifier.uri.fl_str_mv |
https://tede.unioeste.br/handle/tede/6938 |
identifier_str_mv |
Felisberto, Kim Diefrei Remboski. Avaliação da impedância virtual no problema do compartilhamento de potência em microrredes. 2023. 79 f. Dissertação (Programa de Pós-Graduação em Engenharia Elétrica e Computação) - Universidade Estadual do Oeste do Paraná, Foz do Iguaçu - PR. |
url |
https://tede.unioeste.br/handle/tede/6938 |
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por |
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por |
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600 600 600 |
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openAccess |
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application/pdf |
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Universidade Estadual do Oeste do Paraná Foz do Iguaçu |
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Programa de Pós-Graduação em Engenharia Elétrica e Computação |
dc.publisher.initials.fl_str_mv |
UNIOESTE |
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Brasil |
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Centro de Engenharias e Ciências Exatas |
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Universidade Estadual do Oeste do Paraná Foz do Iguaçu |
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