基于显式动力学的快速接地开关触头系统仿真分析与试验研究  

Simulation Analysis and Experimental Research on Contact System of Fast Earthing Switch Based on Explicit Dynamics

作　　者：徐敏航 吕鹏瑞 崔爱强 XU Minhang;L Pengrui;CUI Aiqiang(The 4th Representative Office of Navy in Shanghai,Shanghai 201108,China;Shanghai Electrical Apparatus Research Institute(Group)Co.,Ltd.,Shanghai 200063,China)

机构地区：[1]海军驻上海地区第四军事代表室,上海201108 [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》2023年第7期18-24,共7页Electrical & Energy Management Technology

摘　　要：快速接地开关是一种提供快速接地保护的电器设备,常用于中压开关柜等电力设备中,可以防止电器设备因内部电弧故障造成的设备损坏。针对其触头结构设计的发展现状与工程应用需求,开展快速接地开关的触头系统碰撞研究。首先,基于显式动力学分析快速接地开关锥面式触头系统在高速碰撞的瞬态过程,明确影响触头系统动作特性的主要参量;其次,利用Ansys Design Xplorer多目标优化模块对静触头的结构进行参数优化;最后,开展高速碰撞试验,验证触头系统是否满足设计需求。结果表明,在快速合闸过程中,锥面式触头系统具有较好的动态特性,并可以形成稳定的电接触面,满足快速接地开关设备的应用需求。Fast earthing switch(FES)is a kind of electrical equipment that provides fast earthing protection.It is often used in power equipment such as medium voltage switchgear to prevent electrical equipment from being damaged by the internal arc faults.According to the development status and engineering application requirements of its contact mechanism design,the contact system collision of FES is studied.Firstly,the transient process of the conical contact system of FES in high-speed collision is analyzed based on the explicit dynamics,and the main parameters affecting the contact system’s action characteristics are identified.Secondly,the structure parameters of the static contact are optimized by using the multi-objective optimization module of Ansys Design Xplorer.Finally,the high-speed collision test is carried out to verify whether the contact system meets the design requirements.The results show that the conical contact system has good dynamic characteristics and can form a stable electrical contact surface during the fast closing process,which can meet the application requirements of FES.

关 键 词：快速接地开关 显式动力学 触头系统 优化 

分 类 号：TM503[电气工程—电器]