{"title":"A Life-Time Monitoring Device of Surge Arrester with Series Gap","authors":"Tongchun Luo, Shuai Yang, Xiaolu Li, Wenjun Zhou, Jianhui Yu, L. Qiu","doi":"10.1109/ICEEE.2010.5660669","DOIUrl":null,"url":null,"abstract":"By means of experiments, the aging situation of ZnO varistor under the effect of impulse-current was observed, also, parameters (i.e. the change rate of U1mA and power loss) which reflect aging degree was measured. The relationship between the times of impulse current -which is under varies current peaks, waveforms, varistor temperatures- and ZnO varistor's life-time is also analyzed. Therefore, a discipline is concluded, which reflects the relationship between the times of large current going through arrester and its life-time. And the times of current with a certain value which is larger than arrester's nominal discharge current, can be regarded as a criterion as the ending of arrester's life-time. In the end, according to this conclusion, an on-line life-time monitoring device of surge arresters with series gap was designed, made and tested.","PeriodicalId":6302,"journal":{"name":"2010 International Conference on E-Product E-Service and E-Entertainment","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2010-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2010 International Conference on E-Product E-Service and E-Entertainment","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICEEE.2010.5660669","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
By means of experiments, the aging situation of ZnO varistor under the effect of impulse-current was observed, also, parameters (i.e. the change rate of U1mA and power loss) which reflect aging degree was measured. The relationship between the times of impulse current -which is under varies current peaks, waveforms, varistor temperatures- and ZnO varistor's life-time is also analyzed. Therefore, a discipline is concluded, which reflects the relationship between the times of large current going through arrester and its life-time. And the times of current with a certain value which is larger than arrester's nominal discharge current, can be regarded as a criterion as the ending of arrester's life-time. In the end, according to this conclusion, an on-line life-time monitoring device of surge arresters with series gap was designed, made and tested.
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