General overhaul of turbo generator – TPP Kolubara A5
PROJECT: Overhaul of turbo generator – TPP Kolubara A5, Lot no. 1 – Turbine overhaul
FACILITY: Turbo generator 110MW, TPP Kolubara
INVESTOR: JP EPS Beograd, branch TENT Beograd-Obrenovac
LOCATION: Veliki Crljeni
YEAR: 2018
PROJECT DESCRIPTION:
During 2018 we carried out activities on overhaul of turbine TA110MW, 3723/5 manufactured by Škoda and generator HY 644840/2HH with hydrogen cooling manufactured also by Škoda. Turbine has three housings, axial, action, condensing with interheating. HP and MP pressure turbines are single-flow turbines with two-shell housings and LP turbine is double-flow turbine with single-shell housing.
Overhaul on the following units:
- Overhaul on turbine – HP unit
- Overhaul on turbine – MP unit
- Overhaul on turbine – LP unit
- Overhaul on shut-off and regulating valves and dampers
- Cleaning of oil system
- Overhaul of the main oil pump – MOP
- Overhaul of valves and servomotors
- Overhaul of generator and actuator
- Overhaul of reducer
- Works on stator of generator, fixing of coil heads and generator rods
- Adjusting regulation and diagram of regulating valves
- Oiling of sliding bearings