|
Units |
Values |
| Power (generator) |
MW |
600 |
| Net output |
MW |
542,3 |
| Own consumption |
MW |
57,7 |
| Spec. use – guaranteed value (full capacity) |
kJ/kWh |
8.441 |
| Fresh steam – flow rate |
t/h |
1515 |
| Fresh steam – pressure/temperature |
bar/°C |
275/600 |
| Reheated steam – pressure/temperature |
bar/°C |
56/610 |
| Feed water temperature |
°C |
290 |
| Unit’s operating power range – min/max |
% |
42/100 |
| Load change |
MW/min |
10 |
|
|
|
| BOILER |
Benson, tower type |
| Fresh steam flow rate |
kg/s |
420,7 |
| Fresh steam pressure |
bar |
275 |
| Fresh steam temperature |
°C |
600 |
| Reheated steam pressure |
bar |
56 |
| Reheated steam pressure |
°C |
610 |
| Temperature of feed water to boiler |
°C |
290 |
| Combustion (lignite – Velenje coal mine) |
PCC, tangential, NOx optimised burners |
| Ignition fuel |
fuel oil |
| Coal mills – blower type mills |
8 |
| Flue gas temperature at boiler outlet |
°C |
145 |
| Flue gas cleaning |
SCR-DeNOx, electrostatic precipitator, wet DeSOx process |
| Flue gas discharge |
no additional heating – to the cooling tower |
|
|
|
| EMISSIONS: Limit values |
|
| SOx |
mg/nm3 |
< 100 |
| NOx |
mg/nm3 |
< 150 |
| CO |
mg/nm3 |
< 250 |
| Dust |
mg/nm3 |
< 20 |
|
|
|
| TURBINE |
ALSTOM – three-part system with single reheating |
| Nominal power |
MW |
600 |
| Nominal rotations |
min-1 |
3.000 |
| Nominal pressure |
bar |
275 |
| Number of regenerative heaters |
9+1 |
| Cooling system |
natural draft cooling tower |
| Cooling water preparation |
decarbonisation, lamellar reactor |
|
|
|
| GENERATOR |
ALSTOM – 50WT 23E-138 |
| Nominal power |
MVA |
727 |
| Frequency |
Hz |
50 |
| Nominal cos(φ) |
cos φ |
0,85 |
| Nominal voltage |
kV |
21 |
|
|
|
| Step-up transformer |
21/400±8×1.25 % Kv 710 MVA |
|
|
|
| Cogeneration of heat |
Heat station 3 |
| Installed capacity |
MW |
120 |
