KMRL commissions a new electric sub-station at Muttom to fight floods

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Inaugaration of the sub-station

Kochi (Metro Rail News) : Kochi Metro Rail Limited  has constructed a Combined Auxiliary and Traction substation at Muttom Depot.
The new substation will ensure continuous uninterrupted 415 V AC Auxiliary and 750 V DC Traction Power supply system at its Operation Command Centre at Muttom where the regular maintenance of Metro coaches, troubleshooting of any faults and Operational Controls are taking place. 
Kochi Metro Rail Limited MD Alkesh Kumar Sharma, IAS, on Friday 11.09.2020 inaugurated the substation in the presence of metro officials.
“Upon commissioning of the combined substation, KMRL will be equipped with uninterrupted Train operations. The 2018 floods had disrupted the regular metro operations and this facility has been set up to obviate any such eventuality. The sub-station will prevent any financial loss to KMRL due to the damage to assets and spares that can be caused due to floods.” said Alkesh Kumar Sharma IAS
The combined substation along with a 2-story building was constructed at a total cost of Rs 20 Crores. The auxiliary and traction substation is located at 1st floor of the building which will safeguard the substation from any water logging. The ground floor and the second floor of the building is dedicated for storage of spare parts and sensitive equipment.
The substation has a capacity of 3000 kVA for Auxiliary power supply and 2600 kVA for Traction power with 100 % redundancy. In the substation, the 33 kV Power supply will be converted into 415 V AC for meeting the Auxiliary loads such as lifts, lighting, AC and ventilation etc and 33 kV will be converted into 750 V DC to feed to the 3rd rail for Powering the trains to facilitate the train movement inside the yard for stabling, regular maintenance and troubleshooting of the trains. The substation has been designed and constructed taking into account the future load requirements of Kochi Metro yard at Muttom Depot due to the ongoing Kochi Metro extension project to Thripunithura and proposed phase II project to Kakkanad.

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