混合式直流断路器子模块杂散电感对子模块电压的影响  

The Influence of Stray Inductance of Submodule of a Hybrid DC Circuit Breaker on the Voltage of Submodule

作　　者：胡四全[1] 何青连 范彩云[1] 刘堃[1] HU Siquan;HE Qinglian;FAN Caiyun;LIU Kun(XuJi Group Corporation,Xuchang 461000,China)

机构地区：[1]河南省许继集团有限公司,河南许昌461000

出　　处：《电器与能效管理技术》2018年第22期40-44,共5页Electrical & Energy Management Technology

摘　　要：分析了混合型直流断路器转移支路的电气结构,建立了直流断路器分断试验PSCAD仿真模型。在通态和断态情况下,分别分析了转移支路子模块杂散电感对子模块暂态电压的影响,并提出了降低子模块电压的措施。研究为混合型直流断路器的研制提供了指导。This paper analyzed the electrical structure of hybrid DC circuit breaker transfer branch,and established the DC circuit breaker PSCAD simulation model.The paper also analyzed the influence of the stray inducfance of transfer branch submodule,in on-state and off-state situation,on submodule’s transient voltage,when the DC circuit breaker is in the breaking current situation.It put forward the measures to reduce the voltage of the submodule which provides the guidance for the development of a hybrid DC circuit breaker.

关 键 词：直流断路器 IGBT 反向二极管 杂散电感 暂态电压 

分 类 号：TM561[电气工程—电器]