{"title":"Vacuum contactor retrofit of a low-voltage power circuit breaker","authors":"J. Fischer","doi":"10.1109/ICPS.1995.527003","DOIUrl":null,"url":null,"abstract":"Due to a misapplication of low-voltage power circuit breakers on\nhigh-cycling motor-starting services, the electrically operated\nmechanisms failed due to the large number of spring-charging, closing\nand opening cycles. Various options for correcting the problem were\nevaluated, and a vacuum contactor retrofit of the circuit breaker was\nselected for some of them. The vacuum starter units are electrically and\nmechanically interchangeable with the power circuit breakers. The paper\ndiscusses the design considerations and operating differences resulting\nfrom the technology conversion. It also discusses the differences in\nrating, function, and application","PeriodicalId":138670,"journal":{"name":"Proceedings of 1995 Industrial and Commercial Power Systems Conference","volume":"20 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of 1995 Industrial and Commercial Power Systems Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICPS.1995.527003","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
Due to a misapplication of low-voltage power circuit breakers on
high-cycling motor-starting services, the electrically operated
mechanisms failed due to the large number of spring-charging, closing
and opening cycles. Various options for correcting the problem were
evaluated, and a vacuum contactor retrofit of the circuit breaker was
selected for some of them. The vacuum starter units are electrically and
mechanically interchangeable with the power circuit breakers. The paper
discusses the design considerations and operating differences resulting
from the technology conversion. It also discusses the differences in
rating, function, and application
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