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A new model for a lead-acid battery pack is proposed for use in power simulations of electric vehicles. A linear approximation using a constant voltage drop has been used to model the charge-transfer resistance of the battery pack, and an exponential voltage-recovery equation has been used to model the transient capacitance effects following a period of discharge. The new model is easy to implement with simple calculations and easily acquired parameters, combining speed of implementation with accuracy. The new model was found to have a peak error of 3.1% in drive cycle tests, thus comparing favorably to existing models of similar complexity. An initial assessment of the model's suitability for use with a lithium-ion battery pack was also performed, finding a peak error of 5%.
Published in:
Energy Conversion, IEEE Transactions on
(Volume:27
,
Issue:
1
)
Date of Publication: March 2012
- Page(s):
- 21 - 28
- ISSN :
- 0885-8969
- INSPEC Accession Number:
- 12537563
- Digital Object Identifier :
- 10.1109/TEC.2011.2170574
- Product Type:
- Journals & Magazines
- Date of Publication :
- 15 November 2011
- Date of Current Version :
- 16 February 2012
- Issue Date :
- March 2012
- Sponsored by :
- IEEE Power & Energy Society
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