带PWM控制线圈的交流接触器动态特性及触点弹跳分析

Electrical Contacts - 2007 Proceedings of the 53rd IEEE Holm Conference on Electrical Contacts Pub Date : 2007-09-24 DOI:10.1109/HOLM.2007.4318232

Yingyi Liu, Degui Chen, Liang Ji, Yingsan Geng

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引用次数: 20

摘要

在交流接触器的优化设计中，对接触器的动态特性进行分析是十分重要的。动触点和铁芯回弹对接触器寿命有显著影响。针对一类带反馈机制的智能接触器，建立了两组不同的周期互传方程。该方程描述了考虑摩擦影响的电路、电磁场和机械系统的耦合关系。利用虚拟样机技术，获得了接触器的动态特性。本文引入接触电阻来研究接触的弹跳。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Dynamic Characteristic and Contact Bounce Analysis for an AC Contactor with PWM Controlled Coil

In the optimum design of AC contactors, it is important to analyze the dynamic behavior. Moreover, movable contact and core bounces have remarkable effect on the lifetime of contactors. According to a kind of intelligent contactor with feedback mechanism, this paper builds two different sets of periodically inter-transferred equations. The equations describe the coupling of the electric circuit, electromagnetic field and mechanical system taking account of the influence of friction. And with virtual prototyping technology, the dynamic behavior of the contactor can be obtained. The paper introduces the contact resistance to investigate the bounce of the contact.

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Electrical Contacts - 2007 Proceedings of the 53rd IEEE Holm Conference on Electrical Contacts

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