@inproceedings{98a58a87e09146d9a1ee05fcd1d9098b,
title = "Capacitor voltage balance limits in a multilevel-converter-based energy storage system",
abstract = "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.",
keywords = "Converter control, Energy storage, Modulation strategy, Multilevel converters, Renewable energy systems",
author = "Sendoa Burusteta and Josep Pou and Salvador Ceballos and Iker Marino and Alzola, {Jos{\'e} {\'A}ngel}",
year = "2011",
language = "English",
isbn = "9781612841670",
series = "Proceedings of the 2011 14th European Conference on Power Electronics and Applications, EPE 2011",
booktitle = "Proceedings of the 2011 14th European Conference on Power Electronics and Applications, EPE 2011",
note = "2011 14th European Conference on Power Electronics and Applications, EPE 2011 ; Conference date: 30-08-2011 Through 01-09-2011",
}
