NEL, Sengkang-Punggol LRT Disruption: LTA, SBS Transit Working to Avoid Repeat of Rare 'Double Fault' Scenario

NEL, Sengkang-Punggol LRT disruption: LTA, SBS Transit working to avoid repeat of rare 'double fault' scenario

Engineers will test around 28km of cables along the Sengkang-Punggol LRT network to assess their condition by Aug 23, say LTA and SBS Transit.

NEL, Sengkang-Punggol LRT disruptions stemmed from rare 'double fault' scenario: LTA and SBS Transit

The disruptions to the North East Line and the Sengkang-Punggol LRT (SPLRT) lines on Aug 12 was due to a "double fault" scenario which occurred in a voltage transformer for one of two interconnected switchboards at the Sengkang Depot Substation — an occurrence described as "rare". The Land Transport Authority (LTA) and SBS Transit (SBST) said this in a statement...

LTA and SBS Transit investigate rare “double fault” power failure on North-East Line and LRT

The Land Transport Authority (LTA) and SBS Transit are undertaking comprehensive investigations and system tests after a rare “double fault” disrupted rail services on the North-East Line (NEL) and the Sengkang-Punggol Light Rail Transit (LRT). In a joint statement issued on 16 August 2025, the two agencies confirmed that both incidents—on 12 August and 15 August—stemmed from electrical faults affecting the Sengkang Depot Substation, leading to …

Rare 'double fault' scenario cut power to NEL & SPLRT on 12 Aug, LTA & SBS working to avoid recurrence

Open the article to view the coverage from Must Share News

NEL, Sengkang-Punggol LRT disruption: LTA, SBS Transit working to avoid repeat of rare ‘double fault’ scenario

In a normal situation, the first fault would have triggered the fuse in the voltage transformer and cut off electric current, said LTA and SBS Transit. “However, in this situation, the dislodged cable came into contact with the metallic surface of the voltage transformer panel and allowed electric current to continue to flow, despite the fuse having been blown,” they said. As a result, the high current surge damaged Switchboard 2. As the two swi…

Four-hour power fault cripples Sengkang-Punggol LRT: Commuters voice growing frustration

SINGAPORE: Train services on the Sengkang-Punggol Light Rail Transit (LRT) system were disrupted for about four hours on Friday (Aug 15) following a power fault, sparking renewed frustration among commuters already reeling from recent breakdowns. The fault, which began around 8:40 a.m., crippled services across all 29 stations on the network. SBS Transit’s Group CEO […]