Implementação de conversor CC-CC com alto ganho de tensão e saída em corrente
The photovoltaic power generation stands out in the search for renewable electricity sources less harmful to the environment and especially closer to the largest energy consumers. This is due to the fact that photovoltaic generation has favorable conditions for applications in power distribution sys...
| Principais autores: | Souza, Jean Przybysz de, Oliveira, Priscila de, Ickert, Ricardo Vieira |
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| Formato: | Trabalho de Conclusão de Curso (Graduação) |
| Idioma: | Português |
| Publicado em: |
Universidade Tecnológica Federal do Paraná
2020
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| Assuntos: | |
| Acesso em linha: |
http://repositorio.utfpr.edu.br/jspui/handle/1/10019 |
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| Resumo: |
The photovoltaic power generation stands out in the search for renewable electricity sources less harmful to the environment and especially closer to the largest energy consumers. This is due to the fact that photovoltaic generation has favorable conditions for applications in power distribution systems, easy installation and adaptation to urban environments, the only condition is the presence of solar irradiance of any intensity. This application requires use of dc-dc converters for a high static gain and a careful study should be done in order to the efficiency, since a critical point is the operation with high output current and high output voltage. To ensure the maximum possible power from the PV modules are used MPPT control methods (Maximum Power Point Tracking) applied at this step of the generation process. This paper presents a study, simulation and assembly of a new converter topology based on the non-isolated Cuk converter plus voltage multiplier cells, which provides high static voltage gain, presenting input and output current source characteristic. The prototype does not have soft switching, but obtained a high yield, reaching 96 % for an output power of 100 W and 94.61 % to 220 W. |
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