级联式电池储能系统在线间歇放电检测方案  

On-line Intermittent Discharge Detection Scheme of Cascade Battery Energy Storage System

作　　者：隋国正 刘向军 SUI Guozheng;LIU Xiangjun(Hekou Oil Production Plant of Shengli Oilfield,Dongying 266071,China)

机构地区：[1]胜利油田河口采油厂,山东东营266071

出　　处：《电工技术》2023年第7期42-45,51,共5页Electric Engineering

摘　　要：在现有级联H桥型逆变器的基础上,提出了一种级联H桥电池储能并网逆变器的拓扑设计方案,并将电池在线间歇放电检测技术加入控制策略中进行改进。新的拓扑用于级联式储能电站的工作过程中,在线电池故障检测技术可保障电站运行的安全性和稳定性。改进后的控制策略为储能电池组的动态特性和静态特性的分析提供了有效的数据支持。理论分析和仿真结果表明提出的新型拓扑和控制策略的有效性和可行性。Based on the existing cascaded H-bridge inverter,a topological design scheme of the cascaded H-bridge battery energy storage and grid-connected inverter is proposed,and the battery online intermittent discharge detection technology is added to the control strategy for improvement.The new topology is used in the working process of cascaded energy storage power station,and the online battery fault detection technology can ensure the safety and stability of power station operation.The improved control strategy provides effective data support for the analysis of dynamic and static characteristics of energy storage battery packs.Theoretical analysis and simulation results show the effectiveness and feasibility of the proposed new topology and control strategy.

关 键 词：级联H桥 多电平 级联储能 电池在线检测 

分 类 号：TM28[一般工业技术—材料科学与工程]