Power Development Department Tender

Installation of 11KV HT metering CT and PT unit on Turnkey Basis by way of supply Erection,Testing Commissioning et of following Material:

11KV Pilfer resistant metering cubicle for 3 phase 4 wire metering system of Ms sheet steel thickness not than 2mm duly power coat painted suitable for indoor as well as outdoor as per the site requirement . The cubicle shall be painted through7-tank process. The External dimensios should be adequate. panel having two compartment upper meter compartment and lower CT/PT compartment. Provided with synthetic or semi synthetic gasket firmly glued to the surface. Dust weather and vermi proof and shall comply degree of protecion IP 65 both the chamber having one side hinged door arrangement. The metering panel shall be provided with two no Ms Channels of size 100x50mm on the front ane rear side duly welded and 4 No. of lifting hooks. It should be possible to take meter reading manually. through CMRI and computer with out opening the LV chamber door.

Single Phase. Single Core, Single ratio, Epoxy resin Cast current transformers suitable for 11 KV, copper wound primary type with rated buden 5 VA and accuracy class 0.5 or better and conforming to IS 2705 (Part-i & ii) amended upto date ISF shall be upto 5 the CT ratio shall be as under:- i) 2.5/5 for 25 KVA DT ii) 5/5 for 63KVA DT iii)7.5/5 for 100KVA DT iv)15/5 for 200KVA DT v)20/5 for 250KVA DT vi)25/5 for 400KVA DT vii)50/5 for 630KVA DT viii)75/5 for 1MVA DT