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双盘式线圈结构快速斥力机构设计与运动特性仿真研究

双盘式线圈结构快速斥力机构设计与运动特性仿真研究

Study on the Design and Movement Characteristics Simulation of a Fast Repulsion Mechanism Based on Double-Coil Structure

Study on the Design and Movement Characteristics Simulation of a Fast Repulsion Mechanism Based on Double-Coil Structure

doi:
10.19595/j.cnki.1000-6753.tces.161162
摘要:
近年来基于涡流原理的快速斥力机构成为研究热点,但该机构很难适用于长开距、高电压等级断路器.因此,研究适用于长开距的斥力机构具有重要意义.提出一种双盘式线圈结构的快速斥力机构,建立其数学模型,并对其运动特性进行仿真研究.通过与涡流斥力机构对比发现,该斥力机构的电能利用率更高,优势更为明显.根据40.5kV真空断路器的参数要求,比较分析各项参数对机构运动特性的影响,结果表明:两线圈初始间距影响最大,其次是线圈轴向匝数,影响最小的是线圈径向匝数.最后对机构应用于长开距的高电压等级真空断路器进行了展望.研究成果对新型高压快速斥力机构的设计具有一定的参考价值.
Abstract:
Although in recent years, the electromagnetic repulsion mechanism based on the eddy current repulsive force has quickly become a hotspot, the mechanism is not applicable to high-voltage circuit breaker of long clearance between open contacts. Thus, this paper puts forward a new fast repulsion mechanism based on double-coil-structure. Its mathematic model and movement characteristic simulations have been carried out. Compared with the electromagnetic repulsion mechanism, the results show that proposed mechanism has more obvious advantages and higher energy efficiency. Finally, in terms of the parameter requirements of 40.5kV vacuum circuit breaker, the effects of parameters on the motion characteristics are compared and analyzed, that is, the most important parameter is initial clearance between the two coils, followed by the number of coil axial turns, the least is the number of coil radial turns. Finally, the prospect about the mechanism used in vacuum circuit breaker of long clearance and high voltage is put forward. This paper provides a certain reference for the motion characteristics of new fast repulsion mechanism.
作者 张力 阮江军 黄道春 黎鹏
Author: Zhang Li Ruan Jiangjun Huang Daochun Li Peng
作者单位 武汉大学电气工程学院 武汉 430072
期 刊: 电工技术学报 ISTIC EI SCI PKU CSSCI
Journal: Transactions of China Electrotechnical Society
年,卷(期) 2018, 33(2)
分类号 TM561.2
关键词: 真空断路器 知识脉络 快速斥力机构 知识脉络 线圈 知识脉络 参数优化 知识脉络
Keywords: Vacuum circuit breaker fast repulsion mechanism coil parameter optimization
机标分类号
基金项目 国家重点研发计划资助项目
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