Power Development Department

Power Development Department has published CONSTRUCTION OF 33 KV TRANSFORMER BAY FOR6.3 MVA 33/11KV, POWER TRANSFORMER INCLUDING ITS CIVIL FOUNDATION WORK,ERECTION TESTING AND COMMISSIONING AT 33/11KV SUBSTATION AT RAMGARH.ON TURNKEY BASIS- 1 SUB-STATION MAIN EQUIPMENT 2 33kV Vacuum Circuit Breaker (36kV,1250A,26.2 kA,Outdoor type) 3 33 kV Isolator without Earthing Blade (36kV, 1250A, Outdoor, 3 poles, 25 kA) 4 33 kV Current Transformer (33 kV, 10, Multi Ratio Multi Core, Outdoor) (1 No. per ) 5 33 kV lightening arrestor (33kV, 1phase, Core Outdoor )(1 No. per ) 6 33kV C&R Panel along with O/C, E/F relays and differential relays , mimic diagram,Voltmeter, Ammeter, Annunciation Windows with annunciation relays, 3-phase Tri-vector meter -5 Amps with RS-485 port, DLMS Compliant with RS-485 port suitable for transformer protection 7 33 kV Polymer Post Insulator 36kV,170kV Impulse, creepage distance 1224m 8 11kV Incomer VCB Panel (to Match with existing 11kV Stelmecmake feeder panels) 9 630mm²1 Core Power Cable 11kV XLPE 10 GANTRY STRUCTURES 11 Steel Structures 12 Galvanised Nuts & Bolts 13 Redoxidepaint for Gantry structures (Existing and new) 14 Aluminium paint for Gantry structures (Existing and new) 15 CONTROL CABLES 16 12 Core 2.5 mm² Control cable copper Armoured, 1.1 kV Grade, ISI, FRLS. 17 6 Core 2.5 mm² Control cable copper Armoured, 1.1 kV Grade, ISI, FRLS. 18 2 Core 2.5 mm² Control cable copper Armoured, 1.1 kV Grade, ISI, FRLS. 19 iv) Lugs, Ferrules etc. 20 CONDUCTOR & HARDWARE 21 i) 200 mm² ACSR Conductor Panther 22 ii) T Clamps/C.T clamp/LA clamp/VCB clamp 23 iii) Aluminum Bus Bar(75x10mm for power transformer ) 24 iv) Cable kits suitable for 630mm²1 Core Power Cable 11kV XLPE (Both indoor and outdoor type) Denson/3M/Raychaim make 25 Civil works for transformer equipment foundation and gantry foundation as per approved design 26 Erection testing and commisioning of 6.3 MVA,33/11kV power transformer available at site . Last date of submission for this tender is 2025-05-31. This is a Transformer Supply tender in Ramgarh, Jammu And Kashmir