2005•北京理工大学学报：英文版Requires access
Energy Transferring Dynamic Equalization for Battery Packs
李红林, 张承宁, 彭莲云, 李军求, 孙逢春
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Abstract
The equivalent circuit model of battery and the analytic model of series battery uniformities are setup. The analysis shows that it is the key to maintain small voltage difference between cells in order to improve uniformities. Therefore a new technique combining low voltage difference, big current charging and bi-directional charge equalizer system is put forward and designed. The test shows that the energy transferring dynamic equalization system betters the series battery uniformities and protection during charging and discharging, improves the battery performance and extends the use life of series battery.