: An Auxiliary Sub-station of Kochi Metro Rail Limited set up at Muttom Depot was inaugurated by KMRL Managing Director Elias George today.
This Auxiliary Sub-station 2 (ASS-2) will work as the source of power for all utilities in the Muttom yard, a KMRL press release said.
It will also provide power for third rail traction through an innovative method.
DMRC Project Director Dani Thomas and other senior officials from KMRL and DMRC were also present.
For Metro operation, as per the designed plan, the 110 kV supply from Kalamassery KSEB sub-station would be extended to the Metro receiving sub-station at Muttom yard, the release said.
"Then 110 kV will be stepped down to 33 kV which will further be stepped down to 415 V for the auxiliary usages at depot at Muttom premises and the metro stations for general use (Lighting, HVAC etc.).
"For 3rd rail traction purpose, the 33 kV AC supply will be stepped down further and converted in to 750 V DC in Traction substation (TSS) installed in Muttom Depot and stations," it added.
Muttom depot TSS would be commissioned within a few days, the release said.
