Repairs/Replacement to 33 kva Line Bay System for 1.00 MVA Sub Station at WSS Pampore 3rd under M and R.

Amount

33 KV CT/PT Combined unit, 3 phases, 50 Hz. ONAN cooled, outdoor type. The combined unit, CTs and PTs shall be as per below specifications. a. The CT ratio shall be under: 20/5 for 500 kva and 1 MVA, 33/11 Kv Transformers. The rated burden of CT shall be 7VA. The PT shall be 33kv/110 volts/√3, three phases PT with rated. Burden 20 VA per phase with proper colour coded identification. PTs shall be of uniform insulating and one minute power frequency dry withstand voltage 70 kv. b. Metering cubicle for 3 phase 4 wire metering system suitable for 3 phase, HT, tri-vector meter with sealing and locking facility made of MS sheet steel thickness not less than 2 mm duly power coat painted suitable for indoor as well as outdoor as per the site requirement. The external dimensions should be adequate. Provided with synthetic or semi synthetic gasket firmly glued to the surface, dust, weather and vermin proof and shall comply degree of protection IP 65 both the chambers having one sided hinged door arrangements. The panel shall be provided with two No. MS channels of size 100 x 50 mm on the front and rear sides duly welded and 4 No. of lifting hooks. It should be possible to take meter reading manually, through CMRI and computer without opening door, including supply and fixing of 75mm GI pipe between CT/PT unit and metering cubicle for CT/PT wiring to tri-vector meter. c. MS Channels for mounting CT PT Combined Units with nuts and bolts (Size 100 x 50mm) d. 3ph wire HT CT/PT operated fully static smart Tri-Vector Energy meters DLMS Complaint Category ‘C’ with RS 232 port 33 kv/√3, Ph-N (3P,4W) meters for measurement of different electrical parameters including active energy (kwh/Mvah), reactive energy (kVarh/MVArh), Apparent Energy (kVAh/MVAh) etc. (Make Repued) e. PVC Copper wire flexible multi-strand of required size for secondary connections for CT wiring the minimum wire size shall be 4mm2 (RYB) and for CT wiring the minimum wire size shall be 2.5 mm2 (RYB). f. Copper Lugs preferably ring type duly crimped for termination of wires and tapes.

M/S ZARGAR ELECTRICAL