Parameter |
| Unit |
Live steam temperature at the boiler outlet | 702 | ˚C |
Live steam temperature at the turbine inlet | 700 | ˚C |
Live steam pressure at the boiler outlet | 35.8 | MPa |
Live steam pressure at the turbine inlet | 35 | MPa |
Reheated steam temperature at the boiler outlet | 721 | ˚C |
Reheated steam temperature at the turbine inlet | 720 | ˚C |
Reheated steam pressure at the boiler outlet | 7.5 | MPa |
Steam pressure in the IP/LP crossover pipe | 0.5 | MPa |
Feed water temperature | 330 | ˚C |
Internal efficiency of the turbine HP part stage groups | 90 | % |
Internal efficiency of the turbine IP part stage groups | 92 | % |
Internal efficiency of the turbine LP part stage groups (the efficiency value is corrected due to the stack loss) | 92 | % |
Stack loss | 20 | kJ/kg |
Flue gas temperature at the boiler outlet | 110 | ˚C |
The boiler power efficiency | 95 | % |
Excess air factor | 1.2 | - |
Hard coal calorific value | 23 | MJ/kg |
Generator efficiency | 98.8 | % |
The turbine mechanical losses | 0.9 | MW |
Efficiency of feed water pumps | 85 | % |
Efficiency of regenerative exchangers | 99.5 | % |
Flow losses in steam pipelines to regenerative exchangers | 2 | % |
Losses of the feed water flow through regenerative exchangers | 1 | % |
The cycle medium pressure drop in the boiler | 4.3 | MPa |
Pressure drop of interstage steam in the boiler reheater | 0.2 | MPa |
Flow losses in reheated steam pipelines | 1 | % |
Flow losses between the turbine IP and LP part | 1 | % |
The power unit gross electric power (at the generator terminals) | 900 | MW |
Internal efficiency of the feed water and condensate pumps | 85 | % |
Internal efficiency of the cooling water pumps | 82 | % |
Efficiency of air and flue gas fans | 85 | % |
Energy consumed by coal mills per kg of coal | 90 | kJ/kg |
Efficiency of electric motors driving auxiliary equipment | 97 | % |
Efficiency of the rotational speed adjustment | 96 | % |
Efficiency of the unit transformer | 99.5 | % |
Ambient temperature | 14 | ºC |
Ambient pressure | 98 | hPa |
The condenser cooling water temperature | 19.1 | ˚C |
Increment in the cooling water temperature | 9 | K |
Temperature difference in the condenser | 2.8 | K |
Pressure in the condenser | 4.5 | kPa |
Heat from the machinery and equipment cooling as a percentage of heat extracted in the condenser | 4 | % |