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Equalization device, equalization processing program, battery system, electric vehicle and equalization processing method
Equalization device, equalization processing program, battery system, electric vehicle and equalization processing method
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机译:均衡装置,均衡处理程序,电池系统,电动汽车及均衡处理方法
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摘要
A battery ECU acquires open circuit voltages of a plurality of battery cells that are divided into a plurality of groups A, B, C using a plurality of detecting units, and calculates SOCs of the battery cells based on the open circuit voltages. Then, the battery ECU selects the group to which the battery cell having the largest SOC among the SOCs of the plurality of battery cells belongs, and selects the battery cell to be discharged in the selected group. A series circuit composed of a resistor and a switching element is connected in parallel with each battery cell. The battery ECU turns on the switching element corresponding to the selected battery cell. At this time, the battery cell is connected to the resistor, thus being discharged.
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