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Lookup NU author(s): Dr Cheng Chin,
Dr Wai Lok Woo
This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).
A computational efficient battery pack model with thermal consideration is essential for simulation prototyping before real-time embedded implementation. The proposed model provides a coupled equivalent circuit and convective thermal model to determine the state-of-charge (SOC) and temperature of the LiFePO4 battery working in a real environment. A cell balancing strategy applied to the proposed temperature-dependent battery model balanced the SOC of each cell to increase the lifespan of the battery. The simulation outputs are validated by a set of independent experimental data at a different temperature to ensure the model validity and reliability. The results show a root mean square (RMS) error of 1.5609 × 10−5 for the terminal voltage and the comparison between the simulation and experiment at various temperatures (from 5 °C to 45 °C) shows a maximum RMS error of 7.2078 × 10−5.
Author(s): Gao ZC, Chin CS, Woo WL, Jia JB
Publication type: Article
Publication status: Published
Print publication date: 11/01/2017
Online publication date: 11/01/2017
Acceptance date: 04/01/2017
Date deposited: 26/01/2017
ISSN (electronic): 1996-1073
Notes: Special Issue Control of Energy Storage
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