Capacitor voltage balancing in a three-level-converter-based energy storage system

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RECERCAT Home > Universitat Politècnica de Catalunya > Documents de recerca > View document

To access the full text documents, please follow this link: http://hdl.handle.net/2117/25171

dc.contributor	Universitat Politècnica de Catalunya. Departament d'Enginyeria Electrònica
dc.contributor	Universitat Politècnica de Catalunya. TIEG - Terrassa Industrial Electronics Group
dc.contributor.author	Burusteta, Sendoa
dc.contributor.author	Pou Félix, Josep
dc.contributor.author	Ceballos Recio, Salvador
dc.contributor.author	Marino, Iker
dc.contributor.author	Anzola, Jose Angel
dc.contributor.author	Agelidis, Vassilios
dc.date	2013-10-01
dc.identifier.citation	Burusteta, S. [et al.]. Capacitor voltage balancing in a three-level-converter-based energy storage system. "EPE journal", 01 Octubre 2013, vol. 23, núm. 4, p. 14-22.
dc.identifier.citation	0939-8368
dc.identifier.citation	10.1080/09398368.2013.11463863
dc.identifier.uri	http://hdl.handle.net/2117/25171
dc.language.iso	eng
dc.relation	http://www.tandfonline.com/doi/abs/10.1080/09398368.2013.11463863
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Àrees temàtiques de la UPC::Enginyeria electrònica::Electrònica de potència
dc.subject	Inductance
dc.subject	Modulation (Electronics)
dc.subject	Energy storage
dc.subject	Electric current converters
dc.subject	Energy storage
dc.subject	Renewable energy systems
dc.subject	Multilevel converters
dc.subject	Modulation strategy
dc.subject	Converter control
dc.subject	MULTILEVEL CONVERTERS
dc.subject	INVERTER
dc.subject	Inductància
dc.subject	Modulació (Electrònica)
dc.subject	Energia--Emmagatzematge
dc.subject	Convertidors de corrent elèctric
dc.title	Capacitor voltage balancing in a three-level-converter-based energy storage system
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/article
dc.description.abstract	This paper discusses a grid-connected energy storage system based on two three-level (3L) converters: a DC-DC one and a neutral-point-clamped inverter. When compared to a system using standard two-level converters, the main advantages of this system are: higher efficiency, smaller reactive components allowing for a system cost reduction and its capability to handle higher voltage and power. A modulation strategy for the DC-DC converter which includes the neutral-point voltage balance control is proposed. The capability of the DC-DC converter to cancel the inverter's neutral-point voltage oscillations is also analyzed. Results are presented to illustrate the extended operation area without imbalances. Design guidelines to size the DC-link capacitors are given for a practical implementation. Experimental results taken from a 10 kW 3L DC-DC converter prototype are provided to show the capability of this particular converter to keep neutral-point voltage balance.
dc.description.abstract	Peer Reviewed

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