Título:
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Capacitor voltage balance limits in a multilevel-converter-based energy storage system
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Autor/a:
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Burusteta, Sendoa; Pou Félix, Josep; Ceballos Recio, Salvador; Marino, Iker; Alzola, José Ángel
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Otros autores:
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Universitat Politècnica de Catalunya. Departament d'Enginyeria Electrònica; Universitat Politècnica de Catalunya. TIEG - Terrassa Industrial Electronics Group |
Abstract:
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This paper studies an energy storage system based on a three-level DC-DC converter and a gridconnected
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. |
Abstract:
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Peer Reviewed |
Materia(s):
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-Àrees temàtiques de la UPC::Enginyeria electrònica::Electrònica de potència -Energy storage -Renewable energy sources -Rotary converters -Energia -- Emmagatzematge -Energies renovables -Convertidors rotatius |
Derechos:
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Tipo de documento:
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Artículo - Versión publicada Objeto de conferencia |
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