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电气工程及其自动化毕设之文献翻译

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oducesdamagethatmakesoperationoftheequipmentimpossibleandrequiresrepairstobemade.Temporaryfaultsarethosewhichmayberemovedbydeenergizingtheequipmentforashortperiodoftime,shortcircuitsonoverheadlinesfrequentlyareofthisnature.Highwindsmaycausetwoormoreconductionstoswingtogethermomentarily.Duringtheshortperiodofcontact.Anarcisformedwhichmaycontinueaslongaslineremainsenergized.However,ifautomaticequipmentcanbebroughtintooperationtoserviceassoonastheareisextinguished.ircuit-urs.Becauseofthischaracteristicoffaultsonlines,paniesoperatefollowingaprocedureknownashigh-speedreclosing.urrenceofafault,thelineispromptlydeenergizedbyopeningthecircuitbreakersateachendoftheline.Thebreakersremainopenlongenoughforthearctoclear,andthenrecloseautomatically.Inmanyinstancesserviceisrestoredinafractionofasecond.Of

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