Controle Direto De Potência Do Tipo Deadbeat Com Desacoplamento Do Fluxo Do Estator Para O Gerador De Indução Duplamente Alimentado
DOI:
https://doi.org/10.18618/REP.2017.3.2682Keywords:
Controle Deadbeat, Controle direto de potência, energia eólica, Gerador de Indução Duplamente AlimentadoAbstract
Neste artigo é proposto um algoritmo de controle direto de potência, operando a velocidade variável e robusto às variações nos parâmetros de um gerador de indução duplamente alimentado, cuja aplicação é realizada em sistemas eólicos em condições normais de operação. O controlador possui duas malhas de controle: uma para o desacoplamento do fluxo do estator e outra malha de controle Deadbeat. O controlador calcula o vetor de tensão fornecido ao rotor a fim de garantir que a potência ativa e reativa atinjam seus valores de referência desejados. A dependência do algoritmo às variações dos parâmetros foi investigada, assim como a influência dos erros na estimativa desses parâmetros. Simulações em Matlab/Simulink e testes com uma bancada experimental foram feitos para analisar a eficácia do algoritmo proposto.
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