基于储能电感对称分布的动态均衡充电的研究

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Abstract In view of the un-uniformity with each cell of series-connected traction battery bank in a serial charging scheme, a charge equalization circuit with inductor symmetrically distributed is proposed. The operating principle and equalizing process are analyzed in detail in this paper. Taking advantage of the relationship between the terminal voltage of battery and the state of charge (SOC) based on the reactive battery circuit model, the duty ratio of switching device in the charge-equalizing circuit can be calculated and the uniformity of SOC in each cell should be implemented during charging-time. It is confirmed by the experiment that the energy among the batteries could be dynamically transferred with this method. As a result, this means make up the un-uniformity of battery and improve the performance as well.

Key words： Inductor traction battery equalizing charge state of charge

Received: 21 August 2009 Published: 04 March 2014

PACS:

TM912

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	Zhang Yinhai
	Lin Jun
	Li Jigang

Cite this article:

Zhang Yinhai,Lin Jun,Li Jigang. Dynamic Charge Equalization With Inductor Symmetrically Distributed[J]. Transactions of China Electrotechnical Society, 2010, 25(10): 136-141.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2010/V25/I10/136

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