Name of Work:- SPECIAL REPAIR FOR REPLACEMENT OF BER TRANSFORMERS OF HQ WAC AT SUBROTO PARK UNDER GE (AF) SUBROTO PARK, DELHI CANTT-10
Sl. No.
Item Description
1
Supply, installation, testing and commissioning of Indoor type, step down transformer 11KV/433 Volts (at no load) AC, 3 phases, 50 Hz, 400 KVA capacity, core type copper wound on HV & LV coil immerse, naturally cooled, oil natural-air natural (ONAN) with external cooling tubes, delta connected on primary side (HV) and star connected on secondary side (LV side) in accordance with vector group DYN-11 with neutral brought out on secondary side (LV side) and having 7 step tappings (Tapping Range ( + ) 7.5% in step of 2.5%) on HV side to be changed by means of hand operated off load tap changer gear, the maximum temperature rise should not exceed 45 degree Celsius, in oil and 55 degree celcius the transformer shall be in accordance with latest EEL- 3 of IS : 1180 (Part-1)-2014 with latest amendments and with BIS marked and BEE 3 Star label and comprise of the following :- Please Enable Macros to View BoQ information
2
Supply, installation, testing and commissioning of Indoor type, step down transformer 11KV/433 Volts (at no load) AC, 3 phases, 50 Hz, 400 KVA capacity, core type copper wound on HV & LV coil immerse, naturally cooled, oil natural-air natural (ONAN) with external cooling tubes, delta connected on primary side (HV) and star connected on secondary side (LV side) in accordance with vector group DYN-11 with neutral brought out on secondary side (LV side) and having 7 step tappings (Tapping Range ( + ) 7.5% in step of 2.5%) on HV side to be changed by means of hand operated off load tap changer gear, the maximum temperature rise should not exceed 45 degree Celsius, in oil and 55 degree celcius the transformer shall be in accordance with latest EEL- 3 of IS : 1180 (Part-1)-2014 with latest amendments and with BIS marked and BEE 3 Star label and comprise of the following :- Please Enable Macros to View BoQ information
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