Power distribution system may be linked to Bukit Panjang LRT disruption: SMRT
The Power Scada system plays a key role in monitoring and controlling power distribution across the LRT line.
SINGAPORE - A system that monitors and controls power distribution may be linked to the power trip that caused service on the Bukit Panjang LRT (BPLRT) system to be
disrupted for almost three hours on July 3.
In a post on train operator SMRT's Facebook page on July 4 , Mr Lam Sheau Kai, the president of SMRT Trains, said preliminary investigations found that the power trip could be linked to the Power Scada system .
The system plays a key role in monitoring and controlling power distribution across the LRT line, enhancing the safety and reliability of train operations, he added.
Mr Lai said the Power Scada system had developed a fault, which then affected the E mergency Trip System (ETS) and caused the traction power on the LRT line to be tripped.
The system is part of the BPLRT Power Renewal Project , which is targeted for completion by end 2026.
Mr Lam said LTA and SMRT are conducting an investigation to address the issue, which includes a comprehensive design review of the system to enhance network stability.
'We will continue to closely monitor the system as the renewal works progress,' he said.
'On behalf of the BPLRT renewal project team, we apologise for the inconvenience caused and thank commuters for their patience and understanding,' added Mr Lam.
On July 3 , a power fault led to a disruption at all stations on the BPLRT line. Train services were stalled from about 8.50am and progressively resumed from 11.30am.
As a result of the power fault, five trains were stalled between stations, while seven trains were stationary at platforms, said Mr Lam. Commuters who were on trains stalled on the track were guided by SMRT employees to the nearest station, he added.
To allow the resumption of train services, Mr Lam said the ETS was bypassed, which reinstated traction power to the trains.
Additional staff were also deployed to man all stations till the end of the day as an added safety measure, he added.
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Straits Times
3 days ago
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Power distribution system may be linked to Bukit Panjang LRT disruption: SMRT
Sign up now: Get ST's newsletters delivered to your inbox The Power Scada system plays a key role in monitoring and controlling power distribution across the LRT line. SINGAPORE - A system that monitors and controls power distribution may be linked to the power trip that caused service on the Bukit Panjang LRT (BPLRT) system to be disrupted for almost three hours on July 3. In a post on train operator SMRT's Facebook page on July 4 , Mr Lam Sheau Kai, the president of SMRT Trains, said preliminary investigations found that the power trip could be linked to the Power Scada system . The system plays a key role in monitoring and controlling power distribution across the LRT line, enhancing the safety and reliability of train operations, he added. Mr Lai said the Power Scada system had developed a fault, which then affected the E mergency Trip System (ETS) and caused the traction power on the LRT line to be tripped. The system is part of the BPLRT Power Renewal Project , which is targeted for completion by end 2026. Mr Lam said LTA and SMRT are conducting an investigation to address the issue, which includes a comprehensive design review of the system to enhance network stability. 'We will continue to closely monitor the system as the renewal works progress,' he said. 'On behalf of the BPLRT renewal project team, we apologise for the inconvenience caused and thank commuters for their patience and understanding,' added Mr Lam. On July 3 , a power fault led to a disruption at all stations on the BPLRT line. Train services were stalled from about 8.50am and progressively resumed from 11.30am. As a result of the power fault, five trains were stalled between stations, while seven trains were stationary at platforms, said Mr Lam. Commuters who were on trains stalled on the track were guided by SMRT employees to the nearest station, he added. To allow the resumption of train services, Mr Lam said the ETS was bypassed, which reinstated traction power to the trains. Additional staff were also deployed to man all stations till the end of the day as an added safety measure, he added.
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Sign up now: Get ST's newsletters delivered to your inbox SMRT said free regular or bridging buses were available outside the stations. SINGAPORE – Train service on the Bukit Panjang LRT (BPLRT) line resumed at about 11.40am on July 3 about three hours after a power fault led to disruption at all stations. In a Facebook update at 9.13am, transport operator SMRT notified commuters about the fault spanning all 13 stations that happened at around 8.50am. It said that free regular or bridging buses were available outside the stations. In an update about five minutes later, SMRT said that its staff were on site working to resolve the issue and were a ssisting affected commuters. 'Train services are currently unavailable across the entire BPLRT system. In-train and station announcements have been made to keep commuters informed,' SMRT said. In an update at 11.37am, about three hours after the fault surfaced, SMRT said traction power on the BPLRT was restored and regular train service was progressively resuming. It added that free bus services were still available. A few minutes later, SMRT said that train service has fully resumed. Free bus services have also ended. When The Straits Times arrived at Bukit Panjang station at about 9.45am, about seven SMRT staff were seen informing commuters about the LRT disruption. Singapore Polytechnic student Darryl Teo, 18, was heading to his school's Dover campus from his home in Segar when his LRT train stopped just after Fajar station. He took one of the bridging buses to Bukit Panjang. 'I was supposed to be at school at 10.15am, but now it's already 10am. I'm either going to have to find a bus or take the MRT,' he said, adding that he would typically stop at Choa Chu Kang station before switching to the East-West Line to Dover. He said that what would have been a 45-minute journey would now take him double the time on an alternative route. Mr Mohammad Adamin, who lives in Segar, told ST that he was now late for his barista job in Lakeside. The 35-year-old had similarly intended to take the LRT to Choa Chu Kang before switching to the East-West Line, but decided to take bus service 180 from Bukit Panjang interchange instead. 'It takes me about 45 minutes by train. But with the bus, I don't know the traffic, so it may take me one hour,' he said. This was the second train disruption to occur this week, after a signalling fault at Orchard station on the Thomson-East Coast Line on July 1 led to delays between Napier and Great World stations. Train service resumed after two hours. The 8km long BPLRT network has had a long history of reliability issues, with the most recent disruption taking place on Oct 22, 2024, during the evening rush hour. Train service stalled between the Bukit Panjang and Choa Chu Kang LRT stations and only resumed the next morning. Initial findings showed that the breakdown was in one of the wheel assemblies on a faulty train. Following this, the Land Transport Authority and SMRT said that it would end train services an hour earlier from Thursdays to Sundays between Nov 14, 2024, and Oct 31, 2025 to facilitate renewal works. These include the upgrading of the BPLRT's signalling system, and the testing of new and retrofitted light-rail vehicles. Works to upgrade the existing signalling system on the BPLRT to a new communications-based train control system that better controls train speeds – similar to that used on MRT lines – have been carried out progressively since 2022. LTA said it is targeting to complete the full renewal programme by the end of 2026. This was delayed by two years from 2024 due to a manpower shortage and supply chain disruptions arising from the Covid-19 pandemic. In 2024, the average daily ridership on the LRT network, which includes the Sengkang-Punggol LRT, stood at 210,000. This was an increase of 4 per cent over the 2023 figure.
