{"title":"电气化铁路的空气间隙:不同大气条件下路面间隙击穿电压的研究","authors":"P. Lambeth, D. Nguyen","doi":"10.1109/TPAS.1985.319132","DOIUrl":null,"url":null,"abstract":"A study has been made of the electric strength of air gaps for the Canadian 50 kV railway system. Tests were made on a rod-plane gap using switching and lightning impulses, 60 Hz and combined impulse and 60 Hz waves. The effects of clean and salt-water fog and dust contamination as well as exhaust fumes were investigated. The influence of water droplets falling from one electrode was also determined. Of these, the most important factor in reducing the AC strength of the air gap was exhaust fumes, which brought down the strength by as much as 20%.","PeriodicalId":227345,"journal":{"name":"IEEE Transactions on Power Apparatus and Systems","volume":"38 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1985-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Air Clearances for Electric Railways: A Study of the Breakdown Voltage of Rod-Plane Gaps in a Variety of Atmospheric Conditions\",\"authors\":\"P. Lambeth, D. Nguyen\",\"doi\":\"10.1109/TPAS.1985.319132\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A study has been made of the electric strength of air gaps for the Canadian 50 kV railway system. Tests were made on a rod-plane gap using switching and lightning impulses, 60 Hz and combined impulse and 60 Hz waves. The effects of clean and salt-water fog and dust contamination as well as exhaust fumes were investigated. The influence of water droplets falling from one electrode was also determined. Of these, the most important factor in reducing the AC strength of the air gap was exhaust fumes, which brought down the strength by as much as 20%.\",\"PeriodicalId\":227345,\"journal\":{\"name\":\"IEEE Transactions on Power Apparatus and Systems\",\"volume\":\"38 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1985-10-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"IEEE Transactions on Power Apparatus and Systems\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/TPAS.1985.319132\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE Transactions on Power Apparatus and Systems","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/TPAS.1985.319132","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Air Clearances for Electric Railways: A Study of the Breakdown Voltage of Rod-Plane Gaps in a Variety of Atmospheric Conditions
A study has been made of the electric strength of air gaps for the Canadian 50 kV railway system. Tests were made on a rod-plane gap using switching and lightning impulses, 60 Hz and combined impulse and 60 Hz waves. The effects of clean and salt-water fog and dust contamination as well as exhaust fumes were investigated. The influence of water droplets falling from one electrode was also determined. Of these, the most important factor in reducing the AC strength of the air gap was exhaust fumes, which brought down the strength by as much as 20%.
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