开关关合速度和短路关合能力计算分析  

Calculation and Analysis of Switch Closing Speed and Short-Circuit Closing Capacity

作　　者：张安明 周强 ZHANG Anming;ZHOU Qiang(The First Military Representative Office of Haizhuang Shenyang Bureau Stationed in Dalian,Dalian 116000,China;Shanghai Electrical Apparatus Research Institute(Group)Co.,Ltd.,Shanghai 200063,China)

机构地区：[1]海装沈阳局驻大连地区第一军事代表室,辽宁大连116000 [2]上海电器科学研究所(集团)有限公司,上海200063

出　　处：《电器与能效管理技术》2024年第10期19-25,共7页Electrical & Energy Management Technology

摘　　要：短路关合能力是开关的一项重要性能指标。分析影响开关短路关合能力的主要因素,采用有限元仿真和计算公式相结合的方法,对开关的关合速度和关合能力进行理论计算分析。最后,通过DC 70 kA短路关合能力试验,验证了开关设计及其关合能力计算分析的可行性,具有重要的工程意义。Short-circuit closing capacity is an important performance of the switch.The main factors of affecting the short-circuit closing capacity are analyzed.With the method of electro-magnetic simulation and calculation formula,the closing speed and short-circuit closing capacity of the switch are calculated and analyzed.Finally,the feasibility of the design and calculation analysis is verified by the short-circuit closing capacity test of DC 70 kA,which has a great engineering significance.

关 键 词：关合速度 短路关合能力 计算分析 开关设计 

分 类 号：TM564[电气工程—电器]