dc.contributor.authorKandasamy, Karthik
dc.contributor.authorVilathgamuwa, Mahinda
dc.contributor.authorTseng, King Jet
dc.identifier.citationKandasamy, K., Vilathgamuwa, M., & Tseng, K. J. (2015). Inter-module state-of-charge balancing and fault-tolerant operation of cascaded H-bridge converter using multi-dimensional modulation for electric vehicle application. IET Power Electronics, 8(10), 1912-1919.en_US
dc.description.abstractThis study presents a method for module-level state-of-charge (SOC) balancing and fault-tolerant operation of the cascaded H-bridge (CHB) converter-based battery energy storage system for electric vehicle (EV) application. The proposed methods are based on the multi-dimensional pulse-width modulation (MD-PWM) strategy. It is shown that the proposed methods are conveniently integrated with the PWM generation algorithm. A conceptual design of modular battery pack (or micro-pack) system using lithium-ion cells for the CHB converter is described to show its feasibility for EV application. A brief review on the MD-PWM strategy and a detailed explanation on the method to integrate the inter-module SOC balancing and fault-tolerant control with the PWM generation are presented. Experimental results from the laboratory setup of a five-level CHB converter driving an induction motor with a battery system consisting of six 52.8 V 60 Ah (16 lithium-ion cells in series) modules are presented to verify the system operation for fault-tolerant control and the proposed SOC balancing method. The results demonstrate the need of SOC balancing, and efficacy of the proposed methods in achieving fault-tolerant as well as SOC-balanced operation to prolong the system operation.en_US
dc.description.sponsorshipNRF (Natl Research Foundation, S’pore)en_US
dc.format.extent20 p.en_US
dc.relation.ispartofseriesIET Power Electronicsen_US
dc.rights© 2015 Institution of Engineering and Technology (IET). This is the author created version of a work that has been peer reviewed and accepted for publication by IET Power Electronics, Institution of Engineering and Technology (IET). It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [http://dx.doi.org/10.1049/iet-pel.2014.0943].en_US
dc.subjectAmphibious vehicles
dc.subjectCascaded H-bridge converter
dc.titleInter-module state-of-charge balancing and fault-tolerant operation of cascaded H-bridge converter using multi-dimensional modulation for electric vehicle applicationen_US
dc.typeJournal Article
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen_US
dc.description.versionAccepted versionen_US

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