组合混联式充电电源及其功率均分策略研究  

Research on the Series-parallel Hybrid-type Charge Power Supply and Control Strategy of Power-sharing

作　　者：赵冬玉[1,2] 段善旭[1] 刘宝其[1] 高捷[3] 

机构地区：[1]强电磁工程与新技术国家重点实验室,华中科技大学 [2]中国人民解放军91550部队15分队 [3]中国舰船研究设计中心

出　　处：《电力电子技术》2012年第8期77-79,共3页Power Electronics

基　　金：国家重点基础研究发展973计划资助项目(201-0CB227206)~~

摘　　要：为适应大容量和模块化充电电源发展的需求,提出一种基于串并混联结构的充电电源,它由4个改进的移相全桥电路模块构成。该充电电源采用先恒流后恒压的两段式充电方法,控制器则采用电流环和电压环并联切换的结构,同时引入一种外环控制加平均电流的功率均分策略,并根据频域分析法设计了均流和均压控制器。最后,设计了一套2并2串的实验样机。实验结果表明,采用该充电电路拓扑和控制策略,输出电流和电压的不均衡度均小于5%,很好地验证了分析及设计的正确性。In order to meet the high capacity and modularity requirements of the development of charge power supply, a series-parallel hybrid-type charge power supply is proposed, which composed of 4 modules based on the improved phase-shift full-bridge ZVS converter.A two-stage charging method is introduced along with a compound controller comprised a current-loop and a vohage-loop.Besides,a power-sharing control strategy based on outer-loop regulator adding with basic average program methods introduced.Also,current-sharing controller and voltage-sharing controller are designed by analysis method of frequency domain.Finally,a prototype with 2x2 modules is fabricated,experimen- tal results show that the imbalance-rates of both output-current and output-voltage are lower then 5% ,verify the anal- ysis and the design are correct.

关 键 词：电源 串并混联 功率均分 移相全桥变换器 

分 类 号：TN86[电子电信—信息与通信工程]