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BackTaiwan High Speed Rail Disruption Due to Signal Anomaly
Taiwan High Speed Rail Disruption Due to Signal Anomaly
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自由时报25.05.2026Tech2 dk okumaChina

Taiwan High Speed Rail Disruption Due to Signal Anomaly

L'essentiel

  • Taiwan High Speed Rail experienced a service disruption on May 25th due to a signal anomaly in the Miaoli section, caused by unstable current after a power module replacement.
  • Operations are reduced to 3 trains per hour, with full repairs expected after the evening service ends, and an update on tomorrow's service by the first train.

Résumé généré par IA

Pourquoi c'est important

Taiwan High Speed Rail experienced a signal anomaly in its Miaoli section on May 25th, leading to reduced operations. The issue is attributed to unstable current after a power module replacement in the Switch Machine Control Case (SMC).

Taille de police

2026/05/25 18:14 記者黃宜靜/台北報導

高鐵示意圖。(記者黃宜靜攝)

高鐵今天(25日)清晨因苗栗路段發生號誌訊號異常,維修人員持續搶修中,今天全天均以每小時自南港、左營站開出3班次列車營運模式(整點、20分、40分)服務旅客。台灣高鐵公司表示,今日故障樣態初判應為更換轉轍器控制機箱電源模組所導致,過去從未發生過類似狀況,須待晚間收班後才能進行夜間搶修,評估明天營運狀況,最晚會在明天首班營運前對外公告。

高鐵公司發言人鄒衡蕪下午受訪時表示,今天凌晨高鐵在進行SMC(Switch Machine Control Case,轉轍器控制機箱)內的電源模組更換後,出現電流不穩定情形,導致軌道上定位訊號喪失。

鄒衡蕪說明,SMC是「機房號誌連動系統」與「現場轉轍器設備」控制介面的「轉轍器控制機箱」,主要作用是將號誌連動裝置的控制命令傳送至轉轍器設備,並接收其回傳到號誌連動系統的道岔定位訊號。機箱內控制線路使用DC24V直流電源,由前端110V交流電轉換,負責轉換交直流電的硬體,就是SMC電源模組。

鄒衡蕪表示,高鐵全線SMC電源模組共有458個,每20年要更換一次,因此從2024年6月開始更換,到目前已更換超過8成,排定今年底全數更換完成;昨天更換是計畫性排程維修,之前沒有發生過類似情形。這次轉轍器定位喪失,使得軌道上失去定位,因此需要改由行控中心透過人工授權每輛列車通過,她也強調,這次事件並不是人為造成的,一切皆有依照程序進行更換,確切異常原因須經系統端查證、驗證才能確定。

鄒衡蕪指出,高鐵公司將於明天凌晨12點5分收班後才能進行夜間搶修,讓維修人員進場確認後,才能評估明天營運狀況,最晚會在明天首班營運前對外公告。

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À surveiller

Perspective IA — des possibilités, pas des certitudes

  • Taiwan High Speed Rail will announce tomorrow's operational status before the first train.

    Très probable · En quelques jours

  • Normal operations will resume on May 26th.

    Possible · En quelques jours

Questions ouvertes

  • What is the exact cause of the unstable current in the power module?
  • Will the repairs be completed in time for normal operations tomorrow?
  • What is the long-term impact of this type of power module failure on signal systems?

Sujets liés

This article was originally published by 自由时报.

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