The Concrete Substation project covers a turnkey job including civil building works, design and engineering, manufacturing of equipment related to Primary Substation, Installation, testing & Commissioning until the full operation of Substation.
Civil works comprise of the following:
- The Civil building shall be single or double storey of construction.
- Building shall have a concrete skeleton structure and flat concrete roof.
- Internal concrete roads, pathways, Guard room and boundary walls.
- Separate indoor rooms for HV switchgear, MV switchgear, Batteries & Chargers, LV Distribution boards, Control & Relay boards, Telecommunication equipment, Neutral Resistors, Local Transformers and Fire-fighting equipment.
- Outdoor concrete skeleton structure with raft foundation for Power Transformers and fire wall separation between the Transformers and sunshade.
- Central Air-conditioning and Heat ventilation system.
- External and Internal lighting.
- Fire-fighting water spray and Fire alarm system.
The Substation shall have the following major equipment’s:
- 132kV HV Gas Insulated Switchgear
- 30MVA,132/11.5kV Power Transformers
- Neutral Earthing Resistors arrangement for 11kV side of Power Transformers
- 11/0.433 kV Local Transformers for Substation auxiliary power.
- 11KV Metal clad switchgear with vacuum Breakers.
- Remote control Panels for the operation of HV & MV Switchgears.
- Protection Board for the above Switchgears.
- LV AC & DC Distribution boards.
- Batteries & Charging equipment.
- Telemetry Equipment.
- Intertrip equipment for feeders connected between Substations.
- Fire alarm & water spray system Control panels.