Projeto E Desenvolvimento De Um Sistema Inversor Para Fontes De Energia Renovável Com Conectividade À Rede Elétrica
DOI:
https://doi.org/10.18618/REP.2007.2.155162Keywords:
Alto Rendimento, Conexão à Rede, Energia Renovável, Inversor de Alta FreqüênciaAbstract
Este trabalho apresenta um inversor com potência nominal de 1kW, desenvolvido para aplicação em fontes de energia renovável. O equipamento pode operar em dois modos: autônomo ou conectado à rede elétrica com controle do fluxo de potência. O conversor é composto de três estágios: inversor de alta freqüência, retificador em ponte e inversor SPWM de baixa freqüência. O sistema proposto foi implementado com isolação galvânica e opera com tensão de entrada contínua entre 30V e 60V, obtendo-se tensão eficaz de saída de 110V ou 240V com freqüência de 50Hz ou 60Hz. THD, eficiência e regulação são parâmetros de desempenho que serão avaliados. Resultados experimentais para cada condição de operação serão apresentados neste desenvolvimento. Características como custo, volume e peso também são descritas.
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