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锂电池并联的Boost升压电路设计与仿真

更新时间:2020-06-30 14:56:25 大小:303K 上传用户:zhiyao6查看TA发布的资源 标签:锂电池boost 下载积分:5分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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多节单体锂电池并联系统中,对电池一致性的要求较低,但锂电池并联系统的输出电压偏低,且直接并联的多节锂电池之间存在电池间环流,不能满足很多场合的要求。针对锂电池并联的输出电压低、电池间环流和电流分配问题,结合开关电源技术,提出了采用Boost升压变换器对并联锂电池升压和基于电池容量的均流方案。结合锂电池并联模型,使用saber软件对设计实例进行了仿真。结果表明,采用该方案的锂电池并联系统的输出电流和电压等级、纹波系数符合设计初衷。

The coherence requirement of multiple lithium parallel cells is not high, but the output voltage of lithium parallel cells is low, and there exists circumfluence among batteries directly connected, which can not meet the requirements of most applications. Aimed at the problem of low output voltage, circumfluenee among batteries and current distribution, By integrating power switch supply technology, a scheme which adopts boost converter and balance current based on battery capacity is introduced in this paper. A design is demonstrated with lithium battery model, and a simulation is conducted in Saber. The result shows that the level and ripple of the output current and the voltage of lithium parallel cells can meet the requ...

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锂电池并联的Boost升压电路设计与仿真.pdf 303K

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