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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2001, Vol. 2 Issue (1): 56-59    DOI: 10.1631/jzus.2001.0056
Science & Engineering     
A NOVEL CHARGE AND DISCHARGE EQUALIZATION SCHEME FOR BATTERY STRINGS
PAN Shang-zhi, QIAN Zhao-ming, LEI Na
Dept. of Electrical Engineering, Zhejiang University, Hangzhou 310027, China
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Abstract  A novel charge/discharge equalization scheme is proposed in this paper. According to the states of batteries, two equalizing methods are adopted for equalization during different charging and discharging phases. A switched capacitor is utilized during high rate charging and discharging. During the later period of charging and discharging, an auxiliary low power DC/DC converter and the inherent switch modules of a control/monitor unit are used. So it is very simple and efficient. With the developed equalizer, the lifetime of a series battery string can be extended.

Key words： charge      discharge      equalization      battery string     
Received: 27 September 1999     
CLC:  TM910.6  
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QIAN Zhao-ming
PAN Shang-zhi
LEI Na
Cite this article:

PAN Shang-zhi, QIAN Zhao-ming, LEI Na. A NOVEL CHARGE AND DISCHARGE EQUALIZATION SCHEME FOR BATTERY STRINGS. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2001, 2(1): 56-59.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.2001.0056     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2001/V2/I1/56

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