Supply Erection Testing and Commissioning of 132 KV Sub station at Kalyanpur alongwith associated 132 KV Loop In Loop Out LILO Transmission Line under Khowai District Tripura

Group - A (SUPPLY )

Sub-station Equipment and Structure:

132/33 KV, 2 X 10/16 MVA ONAN / ONAF Ynyn0 two winding Power Transformer with off load tap changer at HV side with tapping range ± 10% in equal steps of 2.5 % complete with first filling of EHV grade oil as per technical specification attached.

132 KV, 3 pole outdoor class SF6 Circuit Breaker of 1600 A rated normal current and breaking capacity 2500 MVA rated symmetrical breaking current 31.5 KA, asymmetrical 36 KA with required motor operated spring charging closing (local & remote) mechanism complete with Galvanized supporting Structure and standard accessories & tools complete with all accessories.

132 KV, 1250 Amp horizontally centre rotating type double break isolator with post insulator, arching horns, terminal connectors, mechanical inter locking arrangement, auxiliary switches complete.

a) With Earth Switch

b) Without Earth Switch

132 KV single phase out-door type oil cooled wound primary type CT of turn ratio as given below with suitable class of accuracy & burden complete with associated standard terminal box, CT junction boxes etc. as per IS : 2705.

a) CTR 300 - 100 / 1 - 1 - 1 - 1 - 1 A for Transformer

b) CTR 1600 - 800 / 1-1-1-1-1 A for feeder