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Power supply failure due to intertwined wires – MRT-3 report

By: - Reporter / @FMOrellanaINQ
/ 09:35 AM February 19, 2018

Intertwined wires caused the power supply failure at the Metro Rail Transit 3 (MRT-3), disabling trains to run and leaving hundreds of commuters stranded early Monday morning.

An MRT-3 incident report revealed that the intertwined wires were discovered between North Avenue and GMA-Kamuning Stations around 6 a.m. after MRT-3’s Overhead Catenary System (OCS) team reported power failure around 4 a.m.

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The MRT-3 Control Center decided to stop service operations around 5 a.m. while interventions were on-going.

“It was identified that the power supply failure was due to intertwined wires – the stringed new feeder wire made contact with the outrun messenger wire,” the report said. “This affected the supply of 750 Vdc of electricity needed to run our trains.”

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The power supply normalized at 6:15 a.m. and by 6:50 a.m., seven trains were deployed with 10-11minutes of headway to load passengers.

Currently, the MRT-3 management said they are further investigating if the “cable pulling” done on Sunday night by power capacity expansion contractor AsiaPhil has affected the wirings along the MRT-3 tracks.  /kga

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TAGS: Failure, MRT 3, power, Transportation
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