一种基于辅助功率环的链式混合储能系统故障容错控制策略研究  

Research on fault-tolerant control of the cascaded hybrid energy storage system based on auxiliary power loop

作　　者：李育灵 任凯 杨军 张红日 蒋玮[2] 倪喜军[3] Li Yuling;Ren Kai;Yang Jun;Zhang Hongri;Jiang Wei;Ni Xijun(State Grid Shanxi Electric Company Changzhi Power Supply Company,Changzhi 046011,China;School of Electrical Engineering,Southeast University,Nanjing 210096,China;School of Electric Power Engineering,Nanjing Institute of Technology,Nanjing 211167,China)

机构地区：[1]国网山西省电力公司长治供电公司,山西长治046011 [2]东南大学电气工程学院,江苏南京210096 [3]南京工程学院电力工程学院,江苏南京211167

出　　处：《可再生能源》2020年第5期654-659,共6页Renewable Energy Resources

基　　金：国家自然科学基金资助项目(51877041);江苏省重点研发计划项目(BE2018130);国网山西省电力公司科技项目(5205D0170007);南京工程学院科研项目(YKJ201522,PTKJ201609)。

摘　　要：以基于辅助功率环的链式混合储能系统为研究对象,提出了一种基于双频载波移相调制的故障容错控制策略。首先介绍了基于辅助功率环的链式混合储能系统拓扑,对其工作模式进行了分析;然后提出了基于双频载波移相调制的故障冗余控制策略,并分析了故障状态下的功率输出能力以及储能系统的工作效率;最后给出了基于Matlab/Simulink的仿真结果和基于样机的实验,验证了链式混合储能系统容错控制的有效性。To enhance the reliability of cascaded hybrid energy storage system,a fault-tolerant control strategy based on the auxiliary power loop and dual-frequency carrier phase-shift modulation is proposed.Firstly,the topology of the cascaded hybrid energy storage system based on the auxiliary power loop is introduced,and its operating modes are analyzed.Secondly,the fault-tolerant control strategy based on dual-frequency carrier phase-shift modulation is proposed,and the power output capability and the working efficiency of the energy storage system are analyzed.Finally,simulation results based on Matlab/Simulink and experiments based on prototypes are given to verify the effectiveness of the proposed fault-tolerant control approach.

关 键 词：辅助功率环 链式混合储能系统 容错控制 

分 类 号：TM76[电气工程—电力系统及自动化]