Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/81322
Title: Inter-module state-of-charge balancing and fault-tolerant operation of cascaded H-bridge converter using multi-dimensional modulation for electric vehicle application
Authors: Kandasamy, Karthik
Vilathgamuwa, Mahinda
Tseng, King Jet
Keywords: Amphibious vehicles
Cascaded H-bridge converter
Issue Date: 2015
Source: Kandasamy, 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.
Series/Report no.: IET Power Electronics
Abstract: This 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.
URI: https://hdl.handle.net/10356/81322
http://hdl.handle.net/10220/39543
ISSN: 1755-4535
DOI: 10.1049/iet-pel.2014.0943
Schools: School of Electrical and Electronic Engineering 
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].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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