级联H桥电池储能系统的小容量等值设计  

Small Capacity Equivalent Design of Cascaded H-bridge Battery Energy Storage System

作　　者：何领风 田凯 凌志斌[1] 李旭光[1] He Lingfeng;Tian Kai;Ling Zhibin;Li Xuguang(Key Lab of Power Transmission and Power Conversion Control under Ministry of Education,Shanghai Jiao Tong University,Shanghai 200240,China;Suzhou Power Supply Branch,State Grid Jiangsu Electric Power Co.,Ltd.,Suzhou Jiangsu 215000,China)

机构地区：[1]上海交通大学电力传输与功率变换控制教育部重点实验室,上海200240 [2]国网江苏电力有限公司苏州供电分公司,江苏苏州215000

出　　处：《电气自动化》2023年第6期20-23,共4页Electrical Automation

摘　　要：建立小容量级联H桥电池储能系统可以较硬件在环仿真更加有效验证控制系统设计和控制算法的正确性。对包含子模块LC滤波器的级联H桥电池储能系统进行建模,得到一种小容量等值设计方法。仿真结果证明,提出的小容量等值设计能满足电流动态响应特性,并且滤波器电容电压、电池电流二倍频波动占比与大容量系统相近。仿真结果验证了小容量等值设计能使系统稳定,且能正确反映大容量系统的目标特性。The establishment of Cascaded H-bridge based Battery Energy Storage System with small capacity can verify the correctness of control system design and control algorithm more effectively than the application of the hardware-in-the-loop simulation.A cascaded H-bridge battery energy storage system including sub-module LC filters was modeled,and a small-capacity equivalent design method was obtained.The simulation results show that the proposed small-capacity equivalent design can meet the current dynamic response characteristics,and the filter capacitor voltage and battery current double-frequency fluctuation ratio are similar to that of the large-capacity system.In addition,these results also verify that the small-capacity equivalent design can make the system stable,and can correctly reflect the target characteristics of the large-capacity system.

关 键 词：电池储能 级联H桥 小容量等值 高压电池储能系统 PI控制器 

分 类 号：TM761[电气工程—电力系统及自动化]