Analysis of voltage balancing limits in modular multilevel converters

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dc.contributor	Universitat Politècnica de Catalunya. Departament d'Enginyeria Electrònica
dc.contributor	Universitat Politècnica de Catalunya. TIEG - Terrassa Industrial Electronics Group
dc.contributor.author	Ceballos Recio, Salvador
dc.contributor.author	Pou Félix, Josep
dc.contributor.author	Choi, Sanghun
dc.contributor.author	Saeedifard, Maryam
dc.contributor.author	Agelidis, Vassilios
dc.date	2011
dc.identifier.citation	Ceballos, S. [et al.]. Analysis of voltage balancing limits in modular multilevel converters. A: Annual Conference of the IEEE Industrial Electronics Society. "IECON 2011 - IEEE Industrial Electronics Conference". Melbourne: IEEE, 2011, p. 4397-4402.
dc.identifier.citation	978-1-61284-972-0
dc.identifier.uri	http://hdl.handle.net/2117/14581
dc.language.iso	eng
dc.publisher	IEEE
dc.relation	http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6120032
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Àrees temàtiques de la UPC::Enginyeria electrònica::Electrònica de potència::Convertidors de corrent elèctric
dc.subject	Rotary converters
dc.subject	Industrial electronics
dc.subject	Convertidors rotatius
dc.subject	Electrònica industrial
dc.title	Analysis of voltage balancing limits in modular multilevel converters
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/conferenceObject
dc.description.abstract	The modular multilevel converter (MMC) is one of the most promising converter topologies for high-voltage applications, especially for high-voltage direct-current (HVDC) transmission systems. One of the most challenging issues associated with the MMC is the capacitor voltage variations, which if not properly controlled, result in large circulating currents flowing through the converter legs. This paper develops a mathematical model to formulate and analyze capacitor voltage variations and the circulating currents within the MMC legs. Based on the developed model, the limits to the capacitor voltage balancing task are derived and graphically presented. A set of simulation results conducted in MATLAB/Simulink environment are presented to verify the accuracy of the mathematical analysis.
dc.description.abstract	Peer Reviewed

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