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專家:接駁無紀錄後備電纜屬人為疏忽 促港燈檢視
阿思達克 04-21 10:09
工程師學會電機分部代表勞偉籌在電台節目表示,若後備電纜多年未曾使用,在接駁前要進行測試,確定能否承受高電壓,控制中心亦需要知道情況;一般而言,後備電纜都會接地,以達致保護作用,若高壓電纜接駁後備電纜,會產生很大的電流,出現短路。 他表示,工程人員接駁無紀錄的後備電纜是難以想像,認為涉及人為疏忽。港燈並不能單靠手上文件及資料,要了解實際情況,令整個檢查程序做得更好,建議再檢視是否仍有無紀錄的後備電纜。 本周三凌晨港島多區發生停電事故,港燈表示,是由於維修保養期間,意外接駁到一條無紀錄的後備電纜,引發短路,觸發供電系統的自動保護機制,影響供電。(ca/u) ~
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