Capacitor voltage balance limits in a multilevel-converter-based energy storage system

Sendoa Burusteta*, Josep Pou, Salvador Ceballos, Iker Marino, José Ángel Alzola

*Autor correspondiente de este trabajo

Producción científica: Capítulo del libro/informe/acta de congresoContribución a la conferenciarevisión exhaustiva

8 Citas (Scopus)

Resumen

This paper studies an energy storage system based on a three-level DC-DC converter and a grid-connected neutral-point-clamped inverter. The main advantages of this multilevel power conversion system are highlighted and the neutral-point voltage oscillations are analyzed. A modulation algorithm for the DC-DC converter which includes the neutral-point voltage balance control is used to improve the voltage balancing capabilities of the inverter. Some figures are presented to show the extended operating areas without neutral-point voltage oscillations thanks to the contribution of the DC-DC converter to the voltage balance. Finally, some guidelines to size the DC-link capacitors are given for a practical application.

Idioma originalInglés
Título de la publicación alojadaProceedings of the 2011 14th European Conference on Power Electronics and Applications, EPE 2011
EstadoPublicada - 2011
Evento2011 14th European Conference on Power Electronics and Applications, EPE 2011 - Birmingham, Reino Unido
Duración: 30 ago 20111 sept 2011

Serie de la publicación

NombreProceedings of the 2011 14th European Conference on Power Electronics and Applications, EPE 2011

Conferencia

Conferencia2011 14th European Conference on Power Electronics and Applications, EPE 2011
País/TerritorioReino Unido
CiudadBirmingham
Período30/08/111/09/11

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