tender for supply, testing and commissioning of 11kv compact substation (transformer & vacuum circuit breaker panels) and ring main gear panels for kelambakkam and kilambakkam busterminals e-bus charging uses , supply, testing and commissioning of 11kv compact substation (transformer & vacuum circuit breaker panels) and ring main gear panels for kelambakkam and kilambakkam busterminals e-bus charging uses , compact substation - ht 11 kv 630a vcb panel supply, testing and commissioning of indoor type 11kv, 630a, 26.3 ka for 3 sec, horizontal draw out vcb fitted with manual/motor operated spring charging mechanism with 230v ac motor and motor control switch, shunt trip coil of 24v dc, closing coil of 24v dc, auxiliary contact 2 no + 2 nc,mechanical on/off indicator, mechanical operation counter, protection ct, (--/5a, 5p10,15 va, 11kv/110v, cl-0.2, 25 va pt instantaneous idmt relaywith microprocessor based 3 o/c + and 1 ef protection relay, strip heater with thermostat, digital ammeter and digital voltmeter, power pack 230v ac- 24 v dc emergency off push button. compact substation - ht 11kv 630 kva transformer supply, testing and commissioning of 630 kva, 11 kv /433v, lv side connected to lt compartment & hv side connected 11kv vcb panel with standard fittings and accessories.as per is 1180 (part 1) 2021 level 1 , compact substation - ht 11kv 630a vcb panel supply, testing and commissioning of indoor type 11 kv, 630a, 26.3 ka for 3 sec, horizontal draw out vcb fitted with manual/motor operated spring charging mechanism with 230v ac motor and motor control switch, shunt trip coil of 24v dc, closing coil of 24v dc, auxiliary contact 2 no + 2 nc,mechanical on/off indicator, mechanical operation counter, protection ct,(--/5a, 5p10,15va, 11kv/110v, cl-0.2, 25 va pt instantaneous idmt relay with microprocessor based 3o/c + and 1ef protection relay, strip heater with thermostat, digital ammeter and digital voltmeter, power pack 230vac- 24 v dc emergency off push button. compact substation - ht 11kv 1600 kva transformer supply, testing and commissioning of 1600 kva, 11 kv/433v, lv side connected to lt compartment & hv side connected 11 kv vcb panel with standard fittings and accessories. as per is 1180 (part 1) 2021 level 1 , supply, testing and commissioning of 11kv, 630 a, 26.3 ka outdoor kiosk type ring main gear panel, switchboard (1 lbs + 1 vcb) (as per tangedco/tnpdcl standard) , gst