{"title":"Dynamic Characteristic and Contact Bounce Analysis for an AC Contactor with PWM Controlled Coil","authors":"Yingyi Liu, Degui Chen, Liang Ji, Yingsan Geng","doi":"10.1109/HOLM.2007.4318232","DOIUrl":null,"url":null,"abstract":"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.","PeriodicalId":11624,"journal":{"name":"Electrical Contacts - 2007 Proceedings of the 53rd IEEE Holm Conference on Electrical Contacts","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2007-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"20","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Electrical Contacts - 2007 Proceedings of the 53rd IEEE Holm Conference on Electrical Contacts","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/HOLM.2007.4318232","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 20
Abstract
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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