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Content Provider | IET Digital Library |
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Author | Kandasamy, Karthik Vilathgamuwa, Mahinda Tseng, King Jet |
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. |
Starting Page | 1912 |
Ending Page | 1919 |
Page Count | 8 |
ISSN | 17554535 |
Volume Number | 8 |
e-ISSN | 17554543 |
Issue Number | Issue 10, Oct (2015) |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-pel/8/10 |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2014.0943 |
Journal | IET Power Electronics |
Publisher Date | 2015-07-22 |
Access Restriction | Open |
Rights Holder | © The Institution of Engineering and Technology |
Subject Keyword | Battery Chargers Battery Powered Vehicle Battery Storage Plants Battery System Cascaded H-bridge Converter CHB Converter-based Battery Energy Storage System Electric Actuators Electric Vehicle Application Fault Tolerant Control Fault-tolerant Operation Final Control Equipment Induction Motor Induction Motors Intermodule State-of-charge Balancing Lithium Lithium-ion Cell MD-PWM Modular Battery Pack System Multidimensional Modulation Multidimensional Pulse-width Modulation Other Power Stations And Plant Power Converter Power Supplies to Apparatus PWM Generation Algorithm PWM Power Converter Secondary Cell SOC Balancing Transportation Transportation System Control Voltage 52.8 V |
Content Type | Text |
Resource Type | Article |
Subject | Electrical and Electronic Engineering |
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