Efficient modulation technique for a four-leg fault-tolerant neutral-point-clamped inverter

Salvador Ceballos*, Josep Pou, Jordi Zaragoza, José L. Martin, Eider Robles, Igor Gabiola, Pedro Ibáñez

*Autor correspondiente de este trabajo

Producción científica: Contribución a una revistaArtículorevisión exhaustiva

75 Citas (Scopus)

Resumen

This paper presents a new low-loss modulation technique for the hybrid three-level four-leg converter. The total losses of the converter are reduced by about 18% on average compared to the standard three-leg neutral-point-clamped converter. Furthermore, the low-frequency voltage oscillation in the neutral point is completely cancelled, and the maximum benefit of the dc-link voltage is obtained. All these facts, together with the fault-tolerant ability due to the fourth leg, make this topology very interesting for applications such as wind generation, in which it is important to maximize efficiency and reliability. Some experimental results confirm the good performance of the proposed modulation technique.

Idioma originalInglés
Páginas (desde-hasta)1067-1074
Número de páginas8
PublicaciónIEEE Transactions on Industrial Electronics
Volumen55
N.º3
DOI
EstadoPublicada - mar 2008

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