大功率UPS的新型充电解决方案

F. Luo, Y. Kang, S. Duan, Xueliang Wei
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引用次数: 0

摘要

本设计提出了一种利用电流互感器进行直流电流测量的新方法,该方法既可以降低电流传感器元件的成本,又可以满足电流检测的要求,只需增加一个二极管和一个电阻。介绍了一种应用于大功率UPS的基于微处理器的电控电池充电器。分析了两阶段充电策略及其控制方法。最后介绍了一种带参数设计的数字PI控制策略
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A Novel Charging Solution for High Power UPS application
In this paper, a new DC current measuring method using current transformer is put forward in this design, which can both reducing the cost of current sensor component and fulfilling the requirement of current detecting, simply adding a diode and a resister. A digital controlled battery charger based on microprocessor for high power UPS application is also presented. A two-stage charging strategy along with the control method is analyzed. A digital PI control strategy with parameter design is described at the last part of the paper
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