Renovation of tripping system and metering system of 3.3 kV Crompton greaves and reyrollburn panel installed in main sub station of SOCP, IB Valley Area.

Amount

item description

Supply of New Current Transformer, Resin Cast, Copper Wound, CT Ratio : 300A/5-5 A Core1 : CL 1, 15 VA, @300/5 A Core2 : CL 5P10, 15 VA, @300/5 A STR : 25KA/1 SEC, Frequency: 50 Hz BIL : 12/ 28/ 75 KVP, Insulation Class: B Ref Std.: IS 2705 Type : COPPER WOUND

Onsite Primary Injection & testing of 3.3KV indoor resincast current Transformers with NABL Accreated Equipments.

Labour Charge for dismantling of old Current Transformer and for fitting of New Current Transformer along with connection and wiring.

Providing and fixing 50 mm X 5 mm Copper strip on surface or in recess for connections etc. as required.(Jointing shall be done by overlapping and with 2 sets of G.I. nut bolt & washer spaced at 50mm).

Labour Charge for fitting of Relay including connection and wiring etc.

Testing over current & earth fault protective relay 3.3KV with NABL Accreated Equipments.

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cuttinB, hoisting, fixing in position and applying a priming coat of approved steel primer all complete

Providing with fixing of Voltmeter (3 Phase 3 Wire with 4 digit LED display), True RMS, 64 samples per cycle 1 sec update time with following specifications: 1.Input Voltage-50 - 550 VL, PT Primary and Secondary user programmable for LT and HT applications, Burden: 0.2VA max per phase 2. Aux voltage-80 - 300V AC 3. Panel cutout-92 x 92 mm 4.Burden: 0.2VA max per phase 5.Detailed data sheet with diagram should be provided. 6.CE, RoHS Certified.

Total

M/s Evergreen Electrical Works

M/S. R.K. TRADING AGENCY