中国电机工程学报2017，Vol.37Issue(17)：4922-4930,9.DOI:10.13334/j.0258-8013.pcsee.161484
适用于直流微电网的开关电容接入式双主动移相变换器
Dual Active Bridge Converter Based on Switched Capacitor Access in Micro-grid DC Distribution System
摘要
Abstract
A scheme of dual active bridge converter based on switched capacitor access applied in micro-grid DC distribution system was presented and analyzed in this paper.When the ratio of dc voltages of the converter does not match the high frequency transformer's turn ratio,high frequency link's voltage match can be achieved by adding a short circuit conduction process of the primary full bridge.The proposed scheme can be functioned as a DC switch also,it can be switched out quickly when a DC side short circuit fault occurs,and can be switched on very quickly when the fault disappears,and this improves the reliability of the system.In this paper,the characteristics of voltage and current,conduction behavior and control strategies are analyzed thoroughly.On the basis of this,the correcmess and practicability of the proposed scheme are verified by simulation and physical experiment.关键词
直流微电网/隔离型双向DC-DC变换器/开关电容接入/电压匹配/高频链环流/直流开关Key words
DC micro-grid/isolated bidirectional DC-DC converter/switched capacitor/voltage match/high frequency link circular current/DC circuit breaker分类
信息技术与安全科学引用本文复制引用
李建国,赵彪,宋强,黄永章,刘文华..适用于直流微电网的开关电容接入式双主动移相变换器[J].中国电机工程学报,2017,37(17):4922-4930,9.基金项目
国家863高技术基金项目(2013AA050104).The National High Technology Research and Development of China 863 Program (2013AA050104). （2013AA050104）
