Photovoltaic System for Microinverter Applications Based on a Non-Electrolytic-Capacitor Boost Converter and a Sliding-Mode Controller
This paper presents a photovoltaic (PV) system designed to reduce the DC-link capacitance present in double-stage PV microinverters without increasing the capacitor interfacing the PV source. This solution is based on a modified boost topology, which exhibits continuous current in both input and out...
- Autores:
-
Ramos-Paja, Carlos Andres
Danilo-Montoya, Oscar
Grisales-Noreña, Luis Fernando
- Tipo de recurso:
- Fecha de publicación:
- 2022
- Institución:
- Universidad Tecnológica de Bolívar
- Repositorio:
- Repositorio Institucional UTB
- Idioma:
- eng
- OAI Identifier:
- oai:repositorio.utb.edu.co:20.500.12585/12372
- Acceso en línea:
- https://hdl.handle.net/20.500.12585/12372
- Palabra clave:
- Boost converter
Non-electrolytic capacitor
PV microinverter
Sliding-mode controller
- Rights
- openAccess
- License
- http://creativecommons.org/licenses/by-nc-nd/4.0/
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Photovoltaic System for Microinverter Applications Based on a Non-Electrolytic-Capacitor Boost Converter and a Sliding-Mode Controller |
| title |
Photovoltaic System for Microinverter Applications Based on a Non-Electrolytic-Capacitor Boost Converter and a Sliding-Mode Controller |
| spellingShingle |
Photovoltaic System for Microinverter Applications Based on a Non-Electrolytic-Capacitor Boost Converter and a Sliding-Mode Controller Boost converter Non-electrolytic capacitor PV microinverter Sliding-mode controller |
| title_short |
Photovoltaic System for Microinverter Applications Based on a Non-Electrolytic-Capacitor Boost Converter and a Sliding-Mode Controller |
| title_full |
Photovoltaic System for Microinverter Applications Based on a Non-Electrolytic-Capacitor Boost Converter and a Sliding-Mode Controller |
| title_fullStr |
Photovoltaic System for Microinverter Applications Based on a Non-Electrolytic-Capacitor Boost Converter and a Sliding-Mode Controller |
| title_full_unstemmed |
Photovoltaic System for Microinverter Applications Based on a Non-Electrolytic-Capacitor Boost Converter and a Sliding-Mode Controller |
| title_sort |
Photovoltaic System for Microinverter Applications Based on a Non-Electrolytic-Capacitor Boost Converter and a Sliding-Mode Controller |
| dc.creator.fl_str_mv |
Ramos-Paja, Carlos Andres Danilo-Montoya, Oscar Grisales-Noreña, Luis Fernando |
| dc.contributor.author.none.fl_str_mv |
Ramos-Paja, Carlos Andres Danilo-Montoya, Oscar Grisales-Noreña, Luis Fernando |
| dc.subject.keywords.spa.fl_str_mv |
Boost converter Non-electrolytic capacitor PV microinverter Sliding-mode controller |
| topic |
Boost converter Non-electrolytic capacitor PV microinverter Sliding-mode controller |
| description |
This paper presents a photovoltaic (PV) system designed to reduce the DC-link capacitance present in double-stage PV microinverters without increasing the capacitor interfacing the PV source. This solution is based on a modified boost topology, which exhibits continuous current in both input and output ports. Such a characteristic enables the implementation of PV microinverters without electrolytic capacitors, which improves the reliability in comparison with solutions based on classical converters with discontinuous output current and electrolytic capacitors. However, the modified boost converter exhibits different dynamic behavior in comparison with the classical boost converter; thus, design processes and controllers developed for the classical boost converter are not applicable. This paper also introduces a sliding-mode controller designed to ensure the stable operation of the PV microinverter around the maximum power point. Moreover, this solution also rejects the voltage oscillations at double the grid frequency generated by the grid-connection. The global stability of the complete PV system is formally demonstrated using mathematical analyses, and a step-by-step design process for both the power stage and control system is proposed. Finally, the design process is illustrated using a representative application example, and the correct operation of the PV system is validated using realistic circuital simulations. The results validate the accuracy of the theoretical equations proposed for both the design and control of the novel PV system, where errors below 4.5% were obtained for the ripple prediction, and below 1% for the prediction of the dynamic behavior. |
| publishDate |
2022 |
| dc.date.issued.none.fl_str_mv |
2022-09-15 |
| dc.date.accessioned.none.fl_str_mv |
2023-07-21T20:47:03Z |
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2023-07-21T20:47:03Z |
| dc.date.submitted.none.fl_str_mv |
2023-07 |
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Ramos-Paja, C.A.; Danilo-Montoya, O.; Grisales-Noreña, L.F. Photovoltaic System for Microinverter Applications Based on a Non-Electrolytic-Capacitor Boost Converter and a Sliding-Mode Controller. Electronics 2022, 11, 2923. https://doi.org/10.3390/electronics11182923 |
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https://hdl.handle.net/20.500.12585/12372 |
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10.3390/electronics11182923 |
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Universidad Tecnológica de Bolívar |
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Repositorio Universidad Tecnológica de Bolívar |
| identifier_str_mv |
Ramos-Paja, C.A.; Danilo-Montoya, O.; Grisales-Noreña, L.F. Photovoltaic System for Microinverter Applications Based on a Non-Electrolytic-Capacitor Boost Converter and a Sliding-Mode Controller. Electronics 2022, 11, 2923. https://doi.org/10.3390/electronics11182923 10.3390/electronics11182923 Universidad Tecnológica de Bolívar Repositorio Universidad Tecnológica de Bolívar |
| url |
https://hdl.handle.net/20.500.12585/12372 |
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eng |
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eng |
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32 páginas |
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Pdf |
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Ramos-Paja, Carlos Andres6c8f6752-cad7-4a04-9a85-1d5483213510Danilo-Montoya, Oscar96c898c1-3272-4ab3-864c-43e5bff72ec4Grisales-Noreña, Luis Fernando7c27cda4-5fe4-4686-8f72-b0442c58a5d12023-07-21T20:47:03Z2023-07-21T20:47:03Z2022-09-152023-07Ramos-Paja, C.A.; Danilo-Montoya, O.; Grisales-Noreña, L.F. Photovoltaic System for Microinverter Applications Based on a Non-Electrolytic-Capacitor Boost Converter and a Sliding-Mode Controller. Electronics 2022, 11, 2923. https://doi.org/10.3390/electronics11182923https://hdl.handle.net/20.500.12585/1237210.3390/electronics11182923Universidad Tecnológica de BolívarRepositorio Universidad Tecnológica de BolívarThis paper presents a photovoltaic (PV) system designed to reduce the DC-link capacitance present in double-stage PV microinverters without increasing the capacitor interfacing the PV source. This solution is based on a modified boost topology, which exhibits continuous current in both input and output ports. Such a characteristic enables the implementation of PV microinverters without electrolytic capacitors, which improves the reliability in comparison with solutions based on classical converters with discontinuous output current and electrolytic capacitors. However, the modified boost converter exhibits different dynamic behavior in comparison with the classical boost converter; thus, design processes and controllers developed for the classical boost converter are not applicable. This paper also introduces a sliding-mode controller designed to ensure the stable operation of the PV microinverter around the maximum power point. Moreover, this solution also rejects the voltage oscillations at double the grid frequency generated by the grid-connection. The global stability of the complete PV system is formally demonstrated using mathematical analyses, and a step-by-step design process for both the power stage and control system is proposed. Finally, the design process is illustrated using a representative application example, and the correct operation of the PV system is validated using realistic circuital simulations. The results validate the accuracy of the theoretical equations proposed for both the design and control of the novel PV system, where errors below 4.5% were obtained for the ripple prediction, and below 1% for the prediction of the dynamic behavior.32 páginasPdfapplication/pdfenghttp://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccessAttribution-NonCommercial-NoDerivatives 4.0 Internacionalhttp://purl.org/coar/access_right/c_abf2Electronics (Switzerland) - Vol. 11 No. 18 (2022)Photovoltaic System for Microinverter Applications Based on a Non-Electrolytic-Capacitor Boost Converter and a Sliding-Mode Controllerinfo:eu-repo/semantics/articleinfo:eu-repo/semantics/drafthttp://purl.org/coar/resource_type/c_6501http://purl.org/coar/version/c_b1a7d7d4d402bccehttp://purl.org/coar/resource_type/c_2df8fbb1Boost converterNon-electrolytic capacitorPV microinverterSliding-mode controllerCartagena de IndiasKrechowicz, M., Krechowicz, A., Lichołai, L., Pawelec, A., Piotrowski, J.Z., Stępień, A. 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