NDLI: Dynamic power sharing strategy for active hybrid energy storage systems

Content Provider	IEEE Xplore Digital Library
Author	Yu Zhang Zhenhua Jiang
Copyright Year	2009
Description	Author affiliation: Department of Electrical and Computer Engineering, University of Miami, Coral Gables, FL 33146 USA (Yu Zhang; Zhenhua Jiang)
Abstract	Batteries have been used as main energy storage devices in hybrid electric vehicles and portable electronics for many years and they are good in the medium-term low-power applications, but low dynamics and relatively shorter lifespan are their main week points. Due to their fast power response, high power density and high cycling capability, supercapacitors or double-layer capacitors are becoming a promising option for short-term high-power applications. Therefore, it is desirable to combine supercapacitors and batteries in a hybrid energy storage system. This paper presents a dynamic strategy for the active power sharing in hybrid battery/supercapacitor energy storage systems. The power sharing ratio can be dynamically changed during the runtime. The battery may be predominant in the charging or discharging mode when the load demand is relatively low. When the load is rising, the power sharing ratio of the battery is decreasing, while the power ratio of the supercapacitor is increasing simultaneously. This dynamic strategy enables power sharing to depend upon the load demand and makes full use of different capabilities of the battery and supercapacitor. Different dynamic power sharing strategies are tested under different repetitive pulsed load conditions. The effects of different power sharing ratios on the battery and supercapacitor state of charge are also investigated.
Starting Page	558
Ending Page	563
File Size	616576
Page Count	6
File Format	PDF
ISBN	9781424426003
DOI	10.1109/VPPC.2009.5289798
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-09-07
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Energy storage Supercapacitors Batteries Vehicle dynamics Control systems Hybrid electric vehicles Testing Application software Capacitors Runtime energy management Battery supercapacitor hybrid energy storage electric vehicles power sharing dynamic strategy
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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