Cooling fan to increase efficiency to increase the efficiency of the transformer cooling system from the original 75 MVA to the 90 MVA.
Details as follows :
Supply cooling fan 6 units "STE" Brand, type A63C-B5 Power 
400VAC, 50HZ, 1.1A, 450W Air Flow: 2.81 m3/s
and support Control cabinet for Auto  Manual control