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Transmissionlinesformthebackboneofpowerutilityoperationsandachievethecontinuityofservicefromgenerat ingplantstotheusers.Linesaresubjecttomultifariouskindsoffaultsbecausetheyareexposedtotheelements .Thecausesoffaultaremultifarious .Linefaultmaybetriggeredbylight ningstrokes.Treesmayfallacrosslines .Fogandsaltsprayondirtyinsulatorsmaycausetheinsulatorstringstoflashover.Iceandsnowloadingmaycauseinsulatorstringstofailmechanically .Followingtheoccurrenceofalinefault,itisnecessaryforthemaintenance… 相似文献
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