{"title":"旧开关柜升级","authors":"L. Eubanks","doi":"10.1109/PAPCON.1992.186284","DOIUrl":null,"url":null,"abstract":"The history of the development of power circuit breaker overcurrent trip devices from dashpots to digital circuit breakers is presented. The development of the retrofit circuit breaker concept is reviewed. The engineering considerations of retrofitting, economical benefits of retrofitting, sources and brands of retrofit kits, and problems with un-kit retrofits are discussed. Two examples of retrofit cases are described.<<ETX>>","PeriodicalId":174734,"journal":{"name":"Conference Record on Pulp and Paper Industry Technical Conference","volume":"23 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1992-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Upgrading obsolete switchgear\",\"authors\":\"L. Eubanks\",\"doi\":\"10.1109/PAPCON.1992.186284\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The history of the development of power circuit breaker overcurrent trip devices from dashpots to digital circuit breakers is presented. The development of the retrofit circuit breaker concept is reviewed. The engineering considerations of retrofitting, economical benefits of retrofitting, sources and brands of retrofit kits, and problems with un-kit retrofits are discussed. Two examples of retrofit cases are described.<<ETX>>\",\"PeriodicalId\":174734,\"journal\":{\"name\":\"Conference Record on Pulp and Paper Industry Technical Conference\",\"volume\":\"23 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1992-06-08\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Conference Record on Pulp and Paper Industry Technical Conference\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/PAPCON.1992.186284\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Conference Record on Pulp and Paper Industry Technical Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/PAPCON.1992.186284","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
The history of the development of power circuit breaker overcurrent trip devices from dashpots to digital circuit breakers is presented. The development of the retrofit circuit breaker concept is reviewed. The engineering considerations of retrofitting, economical benefits of retrofitting, sources and brands of retrofit kits, and problems with un-kit retrofits are discussed. Two examples of retrofit cases are described.<>
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