{"title":"在低直流电压下，真空中由阳极电弧相过渡到阴极金属电弧相","authors":"L. Morin, N. Ben Jemaa, D. Jeannot, H. Sone","doi":"10.1109/HOLM.2001.953194","DOIUrl":null,"url":null,"abstract":"Contact material transfer in relays has been described in several papers. Transfer from the anode to the cathode has been attributed to the anodic arc phase, and opposite transfer from the cathode to the anode has been attributed to the cathodic arc phase. In a previous paper, we showed that the transition from the anodic to the cathodic arc occurs when a breaking arc becomes longer than a critical arc length, independent of electrical and mechanical parameters. In this paper, we completed our work using the same breaking apparatus (14 VDC, 40 A) equipped with an arc length control device. We showed that the transition from the anodic to the cathodic arc occurs always at the same critical arc length independent of the opening speed and the ambient pressure. Through measurements of material transfer in vacuum, indications are that transfer direction is independent from metallic and gaseous phases, though further work is needed for full confirmation. Finally, we showed that it was possible to distinguish the transition from anodic to cathodic arc by observing the evolution of the arc spots on the rivets.","PeriodicalId":136044,"journal":{"name":"Proceedings of the Forth-Seventh IEEE Holm Conference on Electrical Contacts (IEEE Cat. No.01CH37192)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2001-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"20","resultStr":"{\"title\":\"Transition from the anodic arc phase to the cathodic metallic arc phase in vacuum at low DC electrical level\",\"authors\":\"L. Morin, N. Ben Jemaa, D. Jeannot, H. Sone\",\"doi\":\"10.1109/HOLM.2001.953194\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Contact material transfer in relays has been described in several papers. Transfer from the anode to the cathode has been attributed to the anodic arc phase, and opposite transfer from the cathode to the anode has been attributed to the cathodic arc phase. In a previous paper, we showed that the transition from the anodic to the cathodic arc occurs when a breaking arc becomes longer than a critical arc length, independent of electrical and mechanical parameters. In this paper, we completed our work using the same breaking apparatus (14 VDC, 40 A) equipped with an arc length control device. We showed that the transition from the anodic to the cathodic arc occurs always at the same critical arc length independent of the opening speed and the ambient pressure. Through measurements of material transfer in vacuum, indications are that transfer direction is independent from metallic and gaseous phases, though further work is needed for full confirmation. Finally, we showed that it was possible to distinguish the transition from anodic to cathodic arc by observing the evolution of the arc spots on the rivets.\",\"PeriodicalId\":136044,\"journal\":{\"name\":\"Proceedings of the Forth-Seventh IEEE Holm Conference on Electrical Contacts (IEEE Cat. No.01CH37192)\",\"volume\":\"20 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2001-09-10\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"20\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings of the Forth-Seventh IEEE Holm Conference on Electrical Contacts (IEEE Cat. No.01CH37192)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/HOLM.2001.953194\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the Forth-Seventh IEEE Holm Conference on Electrical Contacts (IEEE Cat. No.01CH37192)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/HOLM.2001.953194","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Transition from the anodic arc phase to the cathodic metallic arc phase in vacuum at low DC electrical level
Contact material transfer in relays has been described in several papers. Transfer from the anode to the cathode has been attributed to the anodic arc phase, and opposite transfer from the cathode to the anode has been attributed to the cathodic arc phase. In a previous paper, we showed that the transition from the anodic to the cathodic arc occurs when a breaking arc becomes longer than a critical arc length, independent of electrical and mechanical parameters. In this paper, we completed our work using the same breaking apparatus (14 VDC, 40 A) equipped with an arc length control device. We showed that the transition from the anodic to the cathodic arc occurs always at the same critical arc length independent of the opening speed and the ambient pressure. Through measurements of material transfer in vacuum, indications are that transfer direction is independent from metallic and gaseous phases, though further work is needed for full confirmation. Finally, we showed that it was possible to distinguish the transition from anodic to cathodic arc by observing the evolution of the arc spots on the rivets.
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