{"title":"Study on the Influence of Thermal Effect of Multi-Pulse Lightning Current on the Aging Characteristics of ZnO Varistor","authors":"Chunlong Zhang, Xiucheng Yi, Chunying Li, Yubao Xu, Hongyan Xing","doi":"10.1109/ICEMI52946.2021.9679633","DOIUrl":null,"url":null,"abstract":"In this paper, a 5-pulse current is used to conduct an impact experiment on ZnO varistor. The impact resistance and surface temperature rise characteristics of different types of varistors are studied to explore the influence of multi-pulse current heating on the aging of varistors. Using experimental data, the impact life distribution and damage patterns of ZnO varistors are analyzed. Varistor types have a great influence on impact resistance, which are closely related to internal uniformity. The non-uniformity of the ZnO varistor will affect the energy absorption capacity. The worse the non-uniformity of the varistor, the worse the ability to absorb energy, and the worse the impact resistance.","PeriodicalId":289132,"journal":{"name":"2021 IEEE 15th International Conference on Electronic Measurement & Instruments (ICEMI)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2021-10-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2021 IEEE 15th International Conference on Electronic Measurement & Instruments (ICEMI)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICEMI52946.2021.9679633","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
In this paper, a 5-pulse current is used to conduct an impact experiment on ZnO varistor. The impact resistance and surface temperature rise characteristics of different types of varistors are studied to explore the influence of multi-pulse current heating on the aging of varistors. Using experimental data, the impact life distribution and damage patterns of ZnO varistors are analyzed. Varistor types have a great influence on impact resistance, which are closely related to internal uniformity. The non-uniformity of the ZnO varistor will affect the energy absorption capacity. The worse the non-uniformity of the varistor, the worse the ability to absorb energy, and the worse the impact resistance.
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