SURVEY OF SCADA SYSTEM UNDER ETD BARAUT

Drain out of complete Transformer oil in empty oil tanker for internal inspection of Transformer. (Centrifuging machine with operator shall be provided by the contractor)

Opening of inspection plate, dismantling of HV/ LV side bushings for internal inspection of 40 MVA Transformer at 220 KV sub-station Shatabdinagar.

Providing of Dry air plant for internal inspection of 40 MVA Transformer at 220 KV Sub-Station- Shatabdinagar

Internal inspection of 40 MVA Transformer, checking of HV/LV side winding lead of Transformer, tightening of joints, connections and all other components inside the main tank of Transformer.

Erection of dismantled bushings, Inspection Plate and replacement of gasket of open parts of 40 MVA Transformer.

Complete evacuation of 40 MVA Transformer main tank and filling of Dry Air of dew point-40°C or better in vacuum up to pressure of 0.25Kg/Cm2 and the again evacuating the Transformer tank after required time interval (approx. 12/24 Hrs) using centrifuging machine the work shall including connecting pipe of machine as required measuring due point values ​​of dry air after ever cycle till the required value is achieved.

Create the vacuum inside the 40 MVA Transformer before filling the Transformer oil including vacuum standing test.

Filling of Transformer oil from oil tanker to Transformer main tank after internal inspection of damaged 40 MVA Transformer. (Centrifuging machine with operator shall be provided by the contractor)

Centrifuging the T/F oil in main tank and circulating the T/F oil through centrifuging machine and taking BDV time to time. (Centrifuging machine shall be provided by the contractor.) (approx.-18KL)

Transformer oil sample collection testing of T/F oil testing lab including cost of transportation of each sample in standard sample bottles. i-BDV ii-PPM iii-DGA

Jumpering of HV/LV side Bushings of 40MVA Transformer with the help of ACSR Moose/Zebra/Panther Conductor, associated to complete the job satisfactorily.