Análise dinâmica de conversores CC-CC boost-flyback de elevado ganho
This study has the purpose of modeling the dynamic behavior of the conventional and soft-switching boost-flyback DC-DC converters. This analysis is justified by the need of controlling key system variables, such as voltage and current, in applications requiring a high step-up ratio, as for example i...
| Autor principal: | Pontes, Jhonatan de Abreu Soares |
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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/1/16258 |
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| Resumo: |
This study has the purpose of modeling the dynamic behavior of the conventional and soft-switching boost-flyback DC-DC converters. This analysis is justified by the need of controlling key system variables, such as voltage and current, in applications requiring a high step-up ratio, as for example in renewable energy processing. The results are validated using a simulation software and from the testing of two prototypes with a nominal 500 W output power , 48 V input voltage, 400 V output voltage and switching 100 kHz frequency. The closed-loop operation is also verified using a PI compensator plus a low pass filter, aiming to keep the output voltage regulated at 400 V. |
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