文档介绍：第 24 卷第 3 期中国电机工程学报 Mar. 2004
2004 年 3 月 Proceedings of the CSEE ©2004 .
文章编号:0258-8013(2004)03-0102-06 中图分类号:TM561 文献标识码:A 学科分类号:470·4027
低压断路器操作机构的动态仿真与优化设计
张敬菽,陈德桂,刘洪武
(西安交通大学电气学院,陕西西安 710049)
DYNAMIC SIMULATION AND OPTIMUM DESIGN OF
LOW-VOLTAGE CIRICUIT BREAKER
ZHANG Jing-shu, CHEN De-gui, LIU Hong-wu
(School of Electrical Engineering, Xi'an Jiaotong University, Xi'an 710049, China)
ABSTRACT: A novel dynamic model of low-voltage molded 长期以来凭借经验,通过样机制作和大量试验来确
case circuit breaker operating mechanisms was built based on 定设计方案。这种传统的方法不但耗费大量人力、
multi-body dynamics adopting virtual prototyping technology. 物力,并且新产品开发周期很长,不能适应我国电
An experiment was done to verify the model. The results 力事业的发展。以往利用计算机进行优化设计的方
showed that the simulation is in good agreement with the test
案是:采用某种数值方法求解断路器运动部件的运
results of the real circuit breaker. It is significant that the model
动学和动力学方程组,利用可视化技术仿真出运动
can be used to study the interrupting characteristics of low-
voltage circuit breaker and to provide a good basis for circuit 部件的运动过程,并给出相关的运动参数。它只适
breaker optimum design. Considering the electro-dynamic 于简单的机械系统,已不适于较为复杂的低压断路
repulsion force effect, the time of the interrupting process was 器机构。
shortened about 2ms. It is indicated that the centroid y 虚拟样机技术(Virtual Prototyping Tech-
coordinates and mass of upper linkage have most influ