非理想电网下储能变流器下垂控制分析  

Droop control analysis of energy storage converter in non ideal power grid

作　　者：张修睿 郭权利[1] Zhang Xiurui;Guo Quanli(Shenyang Institute of Engineering,Shenyang Liaoning,110136)

机构地区：[1]沈阳工程学院,辽宁沈阳110136

出　　处：《电子测试》2022年第20期26-28,共3页Electronic Test

摘　　要：本文首先分析了级联型储能变流系统的拓扑结构,这种拓扑结构适合与电池组配合工作;其次着重对比了DC\DC环节的拓扑结构,非隔离型DC/DC更适应未来市场与发展;接着,针对电网中电压电流不平衡的情况提出了一种改良的下垂控制方法,最后通过simulink仿真分析,验证了理论分析的正确性。Firstly,this paper analyzes the topology of cascade energy storage converter system,which is suitable for working with battery pack;Secondly,the topology of DC\DC link is emphatically compared.Non isolated DC/DC is more suitable for the future market and development;Then,aiming at the unbalanced voltage and current in the power grid,an improved droop control method is proposed.Finally,the correctness of the theoretical analysis is verified by Simulink simulation analysis.

关 键 词：级联型储能变流器 拓扑结构 下垂控制 

分 类 号：TM910.6[电气工程—电力电子与电力传动] U491.8[交通运输工程—交通运输规划与管理]