Supply of electrical equipments

The Contractor shall design, Supply, Construct, Operation and Maintenance all the electrical equipments for main Station Refinery according to electrical single line diagram as Following: -

MV Switchgear: - Indoor Metal-Enclosed Switchgear designed for MV Substation. The switching devices are of the Metal Clad with drawable type, Floor Mounting, dead, Front structure grouped together for centralized control, Structure shall include the necessary Comment for protection of Breakers, transformers and other type offeeder.

MV Circuit Breakers for the Incoming feeders, Bus- Section and other Outgoing feeders, transformer feeders, their design are using SF6 or vaccume arc interruption technique. The panels shall be supplied with analogue metering devices (Voltmeter, Ammeter, kilowatt meter, kilowatt-hour meter for incomer feeders,Voltmeter for bus riser, and Ammeter, Kilowatt-hour meter for outgoing feeders) and effective full protection. All indication and control devices are front mounted.

Transformers:- A- 3.3 kV/400 -231Volt, I MVA,3 phase, 50H.Z oil filled.