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Análise de estabilidade de microrredes CC utilizando critérios baseados em região proibida
CARVALHO, M. M.; BESSA, I. V.; MEDEIROS, R. L. P.; AYRES JUNIOR, FLORINDO A. C.; Bessa, I. V.; E SILVA, LUIZ E. S.; DE LUCENA, VICENTE FERREIRA
Resumo
Resumo
DC microgrid systems can be represented by cascade converter systems. These types of systems are composed of constant power loads that can lead the system to instability. In this context, several stability criteria based on the forbidden region that evaluate the smallest mesh gain are used to assess the stability of the system. This work proposes to evaluate the stability of a cascade converter system against changes in the controller’s design. This evaluation was performed using the Nyquist diagram of the lowest loop gain of the system through Middlebrook stability criteria, gain margin and phase margin, and opposite argument.
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palavras-chave
Palavras-chave
DC microgridcascaded converterstability analysisconstant power loadforbidden regionsgain marginphase marginNyquist plot
Status
Published
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Trabalho em anais de evento