电动汽车铅酸电池脉冲快速充电系统设计

摘要

为了缩短电动汽车铅酸电池的充电时间,提高能量接受率,基于带放电电流脉宽调制技术,设计了汽车电池脉冲快速充电系统.该系统采用嵌入式控制和上位机监控相结合的方式,软硬设计合理,性能可靠.试验数据分析表明,该系统有效缓解了电池的极化现象,缩短了汽车铅酸电池的充电时间,提高了电池能量接受率.系统具有广泛的应用前景.%In order to shorten the charging time of the lead-acid battery for electric car,and improve the energy acceptance rate,based on current pulse width modulation technology with discharging,the pulse type fast speed charging system of the battery for electric car has been designed.By adopting embedded control and combining with host computer monitoring,the system is designed reasonably in hardware and software and offers reliable performance.The analysis of test data indicates that this system effectively alleviates the polarization phenomenon of battery,shortens the charging time of the lead-acid battery,and enhances the energy acceptance rate.The system possesses broad applicable prospects.