NDLI: Simple Analytical Method for Determining Parameters of Discharging Batteries

Content Provider	IEEE Xplore Digital Library
Author	Tingshu Hu Zanchi, B. Jianping Zhao
Copyright Year	1986
Abstract	This paper derives simple and explicit formulas for computing the parameters of Thevenin's equivalent circuit model for a discharging battery. The general Thevenin's equivalent circuit model has n pairs of parallel resistors and capacitors ( nth-order model). The main idea behind the new method is to transform the problem of solving a system of high-order polynomial equations into one of solving several linear equations and a single-variable nth-order polynomial equation, via some change of variables. The computation can be implemented with a simple MATLAB code less than half-page long. Experimental and computational results are obtained for three types of batteries: Li-polymer, lead-acid, and nickel metal hydride. For all the tested batteries, the first-order models are not able to generate voltage responses that closely match the measured responses, while second-order models can generate well-matched responses. For some of the batteries, a third-order model can do a better job matching the voltage responses.
Sponsorship	IEEE Power Engineering Society
Starting Page	787
Ending Page	798
Page Count	12
File Size	1372638
File Format	PDF
ISSN	08858969
Volume Number	26
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-09-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Mathematical model Batteries Polynomials Computational modeling Integrated circuit modeling Load modeling Thevenin’s equivalent circuit Battery model linear algebraic equations polynomials
Content Type	Text
Resource Type	Article
Subject	Energy Engineering and Power Technology Electrical and Electronic Engineering

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