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Tuesday, October 27, 2026

藍田站月中兩事故 港鐵稱涉絶緣膠失效及接地匯流排位置耗損

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港鐵向立法會提交文件,交代本月13日下午與14日早上藍田站先後出現事故,影響服務的經過和初步調查。港鐵指,兩宗起火事故是涉及絕緣膠失效和接地匯流排的接駁位置出現耗損。

港鐵表示,藍田站本月13日下午有路軌設備起火,初步調查發現近藍田站道岔轉轍器組件間的一件絕緣膠失效,令列車牽引回路與車站接地之間,形成非預期的導電路徑,引致短路,從而產生高電流、火花及起火。

至於14日的事故,初步調查發現,涉事電機房內的便攜式接地開關,因應前一天的事故及基於安全考慮維持閉合,電流未有完全經原定路徑流向接地網,改經其他接地路徑流走,持續的較大電流令相關電纜接地部件過熱冒煙。

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