高功率因数锂电池化成能量回馈系统

电池化成作为电池生产过程中的关键工序关系到电池的特性和质量,并直接影响电池的生产成本。设计了一套带能量回馈功能的高功率因数锂电池化成系统,包含监控、AC/DC双向变流器和DC/DC双向变换器。AC/DC双向变流器可实现能量的双向传递和交流侧高功率因数,双向DC/DC变换器用于实现锂电池的充、放电。对AC/DC双向变流器和双向DC/DC变换器的工作原理进行了分析,并通过实验对实验样机进行功能验证。

Feedback energy formation system of lithium battery with high power factor

As the critical process in battery production, battery formation is related to the trait and quality of battery and directly affects its production cost.A formation energy feedback system of lithium battery with high power factor is present, which includes monitor, AC/DC bi-directional converter and DC/DC bi-directional converter.Two-way transfer of energy and high power factor in AC side can be achieved by AC/DC bi-directional converter, and DC/DC bi-directional converter can realize the charge and discharge of lithium batteries.The working principle of AC/DC bi-directional converter and DC/DC bi-directional converter was analyzed, and the experimental prototype func-tion was validated through experiments.