摘要
电磁推力机构是一种利用涡流原理制作的新型快速操动机构,在电力系统故障限流、电能质量控制以及相控开关等诸多领域具有广阔的应用前景。本文通过对电磁推力机构的原理和结构进行分析,提出并设计了一台12kV断路器用配永磁保持的新型电磁推力机构,并利用有限元分析软件Maxwell对设计模型进行仿真分析。计算出保持力数值与设计值基本相符,此外,得到该机构的动态参数:仅需1.25ms就可完成合闸,平均速度可达8.8m/s,满足设计要求,从而验证了设计的合理性。
Electromagnetic repulsion mechanism is a new rapid actuator based on the principle of eddy current. It has a wide application prospects in power system fault current limiter,power quality control,phase control switch and many other fields. In this paper,a novel structure with permanent magnet mantaining device is proposed. The principle and structure of electromagnetic repulsion mechanism are analysised firstly,and a 12kV with the permanent magnet mantaining device is designed,and the model is simulated by ...
出处
《电气技术》
2009年第12期33-36,共4页
Electrical Engineering
关键词
电磁推力
永磁机构
涡流
有限元
快速开关
electromagnetic repulsion
permanent magnetic actuator
eddy current
finite element
fast switch
