Análise e desenvolvimento de sistema eletrônico de iluminação com LEDs de potência empregando conversor ressonante e indutor variável
Autor(a) principal: | |
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Data de Publicação: | 2017 |
Tipo de documento: | Tese |
Idioma: | por |
Título da fonte: | Repositório Institucional Manancial UFSM |
Texto Completo: | http://repositorio.ufsm.br/handle/1/14661 |
Resumo: | An analysis and design of a power control stage topology for an LED (Light Emitting Diode) driver for lighting is presented in this work. The circuit is based on the resonant topology LLC-HB – resonant filter LLC type fed from Half-Bridge inverter (HB) – using variable inductor. The variable inductor is used as a part of the LLC resonant tank and allows varying the LED current furthering the lighting dimming. A normalized project methodology is proposed where the Zero Voltage Switching (ZVS) is guaranteed for the desired LED current range, according to the resonant tank series inductance schifting. The methodology allows to examinate the resonant current phase angle and also the resonant current amplitude for the established operation range. It is indispensable to properly define these parameters to assure high efficiency of the resonant tank and consequently of the entire topology. The purpose is presented as an alternative to the conventional frequency operated resonant converters. The results proves the project methodology and topology feasibility. |
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2018-10-24T18:59:59Z2018-10-24T18:59:59Z2017-08-25http://repositorio.ufsm.br/handle/1/14661An analysis and design of a power control stage topology for an LED (Light Emitting Diode) driver for lighting is presented in this work. The circuit is based on the resonant topology LLC-HB – resonant filter LLC type fed from Half-Bridge inverter (HB) – using variable inductor. The variable inductor is used as a part of the LLC resonant tank and allows varying the LED current furthering the lighting dimming. A normalized project methodology is proposed where the Zero Voltage Switching (ZVS) is guaranteed for the desired LED current range, according to the resonant tank series inductance schifting. The methodology allows to examinate the resonant current phase angle and also the resonant current amplitude for the established operation range. It is indispensable to properly define these parameters to assure high efficiency of the resonant tank and consequently of the entire topology. The purpose is presented as an alternative to the conventional frequency operated resonant converters. The results proves the project methodology and topology feasibility.Este trabalho apresenta a análise e desenvolvimento de uma topologia para o estágio de controle de potência para um circuito de acionamento para LEDs (Light Emitting Diodes) empregados à iluminação. Este circuito é baseado na topologia ressonante LLC-HB - filtro ressonante do tipo LLC alimentado a partir do inversor meia ponte, ou Half-Bridge (HB) – empregando indutor variável (IV). Este indutor é empregado como elemento do tanque ressonante LLC e permite variação da corrente nos dispositivos LEDs, promovendo controle da intensidade luminosa. Uma metodologia de projeto normalizada é proposta, onde a operação ZVS (Zero Voltage Switching) é garantida para a faixa de variação da corrente de saída desejada, de acordo com a variação da indutância série do tanque ressonante. A metodologia permite também a análise da amplitude do ângulo de defasagem da corrente ressonante bem como a amplitude da corrente ressonante para a faixa de operação estabelecida. Estes parâmetros são fundamentais para a determinação da faixa de operação garantindo alto rendimento para o tanque ressonante e consequentemente para a topologia. A proposta apresenta uma alternativa ao convencional controle da potência de saída através da variação de frequência de comutação para conversores ressonantes. Os resultados comprovam a viabilidade da metodologia de projeto e a topologia proposta.Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPESporUniversidade Federal de Santa MariaCentro de TecnologiaPrograma de Pós-Graduação em Engenharia ElétricaUFSMBrasilEngenharia ElétricaAttribution-NonCommercial-NoDerivatives 4.0 Internationalhttp://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccessConversor LLCConversor ressonanteIluminação a LEDIndutor variávelRegulador magnéticoLED lightingLLC converterLED lightingMagnetic regulatorResonant converterVariable inductorCNPQ::ENGENHARIAS::ENGENHARIA ELETRICAAnálise e desenvolvimento de sistema eletrônico de iluminação com LEDs de potência empregando conversor ressonante e indutor variávelAnalysis and design of an LED driver employing resonant converter and variable inductorinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/doctoralThesisPrado, Ricardo Nederson dohttp://lattes.cnpq.br/6324790827842684Sa Junior, Edilson Mineirohttp://lattes.cnpq.br/4828845714096699Lopes, Juliano de Pelegrinihttp://lattes.cnpq.br/6067809162522750Dalla Costa, Marco Antôniohttp://lattes.cnpq.br/4455422053321491Silva, Marcelo Freitas dahttp://lattes.cnpq.br/1859027020843429http://lattes.cnpq.br/4834011530700633Cosetin, Marcelo Rafael300400000007600a3e0e676-87b0-41f2-9e78-004e0012d738d0287d44-5f9c-4cb9-8e39-751df995e82b21561a02-e8ff-44d6-98c0-43fb7f2d7796d0ec8db0-b599-4f35-90d6-1ec00ba28f99e4e5df5a-7e79-4936-ad6e-3b73fff9f0daab98adc4-8a5f-4574-a431-3322a5091563reponame:Repositório Institucional Manancial UFSMinstname:Universidade Federal de Santa Maria (UFSM)instacron:UFSMLICENSElicense.txtlicense.txttext/plain; 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dc.title.por.fl_str_mv |
Análise e desenvolvimento de sistema eletrônico de iluminação com LEDs de potência empregando conversor ressonante e indutor variável |
dc.title.alternative.eng.fl_str_mv |
Analysis and design of an LED driver employing resonant converter and variable inductor |
title |
Análise e desenvolvimento de sistema eletrônico de iluminação com LEDs de potência empregando conversor ressonante e indutor variável |
spellingShingle |
Análise e desenvolvimento de sistema eletrônico de iluminação com LEDs de potência empregando conversor ressonante e indutor variável Cosetin, Marcelo Rafael Conversor LLC Conversor ressonante Iluminação a LED Indutor variável Regulador magnético LED lighting LLC converter LED lighting Magnetic regulator Resonant converter Variable inductor CNPQ::ENGENHARIAS::ENGENHARIA ELETRICA |
title_short |
Análise e desenvolvimento de sistema eletrônico de iluminação com LEDs de potência empregando conversor ressonante e indutor variável |
title_full |
Análise e desenvolvimento de sistema eletrônico de iluminação com LEDs de potência empregando conversor ressonante e indutor variável |
title_fullStr |
Análise e desenvolvimento de sistema eletrônico de iluminação com LEDs de potência empregando conversor ressonante e indutor variável |
title_full_unstemmed |
Análise e desenvolvimento de sistema eletrônico de iluminação com LEDs de potência empregando conversor ressonante e indutor variável |
title_sort |
Análise e desenvolvimento de sistema eletrônico de iluminação com LEDs de potência empregando conversor ressonante e indutor variável |
author |
Cosetin, Marcelo Rafael |
author_facet |
Cosetin, Marcelo Rafael |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Prado, Ricardo Nederson do |
dc.contributor.advisor1Lattes.fl_str_mv |
http://lattes.cnpq.br/6324790827842684 |
dc.contributor.referee1.fl_str_mv |
Sa Junior, Edilson Mineiro |
dc.contributor.referee1Lattes.fl_str_mv |
http://lattes.cnpq.br/4828845714096699 |
dc.contributor.referee2.fl_str_mv |
Lopes, Juliano de Pelegrini |
dc.contributor.referee2Lattes.fl_str_mv |
http://lattes.cnpq.br/6067809162522750 |
dc.contributor.referee3.fl_str_mv |
Dalla Costa, Marco Antônio |
dc.contributor.referee3Lattes.fl_str_mv |
http://lattes.cnpq.br/4455422053321491 |
dc.contributor.referee4.fl_str_mv |
Silva, Marcelo Freitas da |
dc.contributor.referee4Lattes.fl_str_mv |
http://lattes.cnpq.br/1859027020843429 |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/4834011530700633 |
dc.contributor.author.fl_str_mv |
Cosetin, Marcelo Rafael |
contributor_str_mv |
Prado, Ricardo Nederson do Sa Junior, Edilson Mineiro Lopes, Juliano de Pelegrini Dalla Costa, Marco Antônio Silva, Marcelo Freitas da |
dc.subject.por.fl_str_mv |
Conversor LLC Conversor ressonante Iluminação a LED Indutor variável Regulador magnético |
topic |
Conversor LLC Conversor ressonante Iluminação a LED Indutor variável Regulador magnético LED lighting LLC converter LED lighting Magnetic regulator Resonant converter Variable inductor CNPQ::ENGENHARIAS::ENGENHARIA ELETRICA |
dc.subject.eng.fl_str_mv |
LED lighting LLC converter LED lighting Magnetic regulator Resonant converter Variable inductor |
dc.subject.cnpq.fl_str_mv |
CNPQ::ENGENHARIAS::ENGENHARIA ELETRICA |
description |
An analysis and design of a power control stage topology for an LED (Light Emitting Diode) driver for lighting is presented in this work. The circuit is based on the resonant topology LLC-HB – resonant filter LLC type fed from Half-Bridge inverter (HB) – using variable inductor. The variable inductor is used as a part of the LLC resonant tank and allows varying the LED current furthering the lighting dimming. A normalized project methodology is proposed where the Zero Voltage Switching (ZVS) is guaranteed for the desired LED current range, according to the resonant tank series inductance schifting. The methodology allows to examinate the resonant current phase angle and also the resonant current amplitude for the established operation range. It is indispensable to properly define these parameters to assure high efficiency of the resonant tank and consequently of the entire topology. The purpose is presented as an alternative to the conventional frequency operated resonant converters. The results proves the project methodology and topology feasibility. |
publishDate |
2017 |
dc.date.issued.fl_str_mv |
2017-08-25 |
dc.date.accessioned.fl_str_mv |
2018-10-24T18:59:59Z |
dc.date.available.fl_str_mv |
2018-10-24T18:59:59Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/doctoralThesis |
format |
doctoralThesis |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://repositorio.ufsm.br/handle/1/14661 |
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http://repositorio.ufsm.br/handle/1/14661 |
dc.language.iso.fl_str_mv |
por |
language |
por |
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300400000007 |
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600 |
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dc.rights.driver.fl_str_mv |
Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/ info:eu-repo/semantics/openAccess |
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Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/ |
eu_rights_str_mv |
openAccess |
dc.publisher.none.fl_str_mv |
Universidade Federal de Santa Maria Centro de Tecnologia |
dc.publisher.program.fl_str_mv |
Programa de Pós-Graduação em Engenharia Elétrica |
dc.publisher.initials.fl_str_mv |
UFSM |
dc.publisher.country.fl_str_mv |
Brasil |
dc.publisher.department.fl_str_mv |
Engenharia Elétrica |
publisher.none.fl_str_mv |
Universidade Federal de Santa Maria Centro de Tecnologia |
dc.source.none.fl_str_mv |
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