低压塑壳断路器触头系统三维磁场的可视化分析

Analysis on Three-Dimension Magnetic Field of Contact Systems of Low-Voltage Molded Case Circuit Breakers

将面向对象技术、可视化技术、人机交互技术等相结合 ,开发了用于三维磁场计算的积分方程法仿真软件 ,它不仅有可视化的前后处理程序 ,而且还可以通过IGES文件格式同常用的三维计算机辅助设计软件UG -Ⅱ或Pro/E等接口。该软件特别适用于低压断路器触头系统的三维磁场分析。为了分析触头系统结构对断路器开断性能的影响 ,本文计算了 4种不同结构的触头系统的磁场分布。

In this paper,a simulation software for integral equation method is developed by using Object-Oriented Programming,Visualization technology and human-computer interaction technology.This software has visual Pre-process and Post-process program and can interface with CAD software UG-Ⅱ or Pro/E by IGES format,and besides,it is particular to calculate the 3D magnetic field of contact systems of low-voltage circuit breakers.In order to analyse the effects of structure of contact systems on interrupting performance,the magnetic fields of four different structures of contact systems are calculated.