Nagpur Maha Metro’s first Traffic and Transit Management Centre (TTMC) Building which houses a Receiving Sub-Station (RSS) was inaugurated today on August 13, by Managing Director Brijesh Dixit at Morris College Ground, Sitabuldi. This is the Metro’s first-ever Receiving Sub-Station to be inaugurated which would cater to the power needs of the North-South Corridor and at the same time, it would also supply electricity to East-West Corridor during an emergency.
The TTMC is one of the Nagpur Maha Metro’s mega-project which involves commercial use of available space and It would signal the opening of malls, shops, and offices in the building. The TTMC building also houses Maha Metro’s Receiving Sub Station.
The incoming power supply to the sub-station is taken from Mankapur Grid Substation of Maharashtra State Electricity Transmission Company Limited (MSETCL). Underground cables of 132 kV voltage level have been laid in a double circuit of 9 km between MSETCL GSS to Metro RSS.
This major sub-station has full capacity to provide Traction Power & Auxiliary Power for the entire N-S corridor. In general terms, traction power substation is an electrical substation that converts electric power provided by the power supply unit to an appropriate voltage, current type and frequency for public utility service like Metro Railways. Similarly, auxiliary power /electric power provided by an alternate source and serves as a backup for the primary power source.
In simple terms, power supply from a source is converted to match particular needs of a utility, at the Receiving Sub-Station.
The RSS Sitabuldi receives power at 132 kV voltage level. Subsequently, the Traction Transformers installed at RSS convert 132 kV to 25 kV, which is essential for the operation of Metro train.
During the inauguration Sudhakar Urade, General Manager (O&M) and S.Sivamathan, Director (Finance) were present along with Anil Kokate, Executive Director (Administration), Girdhar Paunikar, General Manager (Electrical).
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