Frequency-domain Analysis Of Resonant Current Controllers For Active Power Filters
This paper performs a frequency-domain analysis of three different resonant current controllers for active power filters. Respect to previous papers, the novelty consists of a stability analysis of the closed loop system using the Nyquist criterion. To perform this analysis, the time delay introduce...
| Autores: | , , , |
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| Formato: | artículo |
| Estado: | Versión publicada |
| Fecha de publicación: | 2010 |
| País: | Brasil |
| Recursos: | Associação Brasileira de Eletrônica de Potência (SOBRAEP) |
| Repositorio: | Eletrônica de Potência (Online) |
| Idioma: | inglés |
| OAI Identifier: | oai:ojs2.journal.sobraep.org.br:article/650 |
| Acesso em linha: | https://journal.sobraep.org.br/index.php/rep/article/view/650 |
| Access Level: | acceso abierto |
| Palavra-chave: | Active Power Filters Current control |
| Resumo: | This paper performs a frequency-domain analysis of three different resonant current controllers for active power filters. Respect to previous papers, the novelty consists of a stability analysis of the closed loop system using the Nyquist criterion. To perform this analysis, the time delay introduced by the inverter and the sampling due to the digital control are taken into account in the current controller closed loop transfer function. This procedure demonstrates the importance and effectiveness of the delay compensation to maintain the whole system stability. Experimental results are presented for a 25 kVA shunt active power filter prototype to confirm the theoretical analysis. |
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