Main Technical Indicators
1 Main Technical Indicators of Gas Turbine Generator Unit
The operating condition of the gas turbine is closely related to atmospheric conditions. The Seller shall take the local atmospheric conditions specified below into consideration and provide correction curves under different ambient conditions.
ISO Conditions:
Atmospheric Pressure: 1. 013 bar
Atmospheric Temperature: 15 ℃
Relative Humidity: 60 %
Design Atmospheric Conditions:
Atmospheric Pressure: 1016. 41 bar
Average Relative Humidity: 81 %
Annual Average Ambient Temperature: 16. 1℃
Average Summer Temperature: 28. 4 ℃
Average Winter Temperature: 4. 2 ℃
The Seller shall provide the following technical specifications and parameters of the gas turbine generator unit (the Seller may add or remove items independently):
Rated Parameters of Gas Turbine (ISO Condition)
| Item |
Unit |
Value |
Remark |
| Rated Power |
kW |
8084 |
Power generation output |
| Pressure Ratio |
/ |
14/1 |
|
| Gas Turbine Power Generation Efficiency |
% |
30. 83 |
|
| Gas Turbine Heat Rate |
kJ/kWh |
11675 |
|
| Fuel Gas Inlet Pressure |
kPa(G) |
2100~2800 |
|
| Exhaust Gas Flow Rate |
kg/s |
30. 21 |
|
| Exhaust Gas Temperature |
— |
546. 9 |
|
| Maximum Allowable Exhaust Back Pressure |
kPa(G) |
3 |
|
| Gas Turbine Rotational Speed |
r. p. m |
14045 |
|
| Minimum Steady-State Load |
% |
≤30 |
|
| Gas Turbine Bearing Vibration |
mpp |
/ |
|
| NOx Emission |
Mg/HM3 |
30 |
At 15% oxygen content |
| Weight |
T |
59. 4 |
Gas turbine generator skid |
Gas Turbine Parameters (Guarantee Condition)
Temperature reference point: 16. 1℃
| Item |
Unit |
Value |
Remark |
| Natural Gas Consumption |
Nm³/h |
2688 |
Based on natural gas low heating value of 34. 86MJ/m³ |
| Natural Gas Inlet Pressure |
kPa (G) |
2100~2800 |
|
| Mechanical Output Power |
kW |
8108 |
|
| Electric Output Power |
kW el. |
7865 |
|
| Gas Turbine Efficiency |
% |
30. 22 |
|
| Gas Turbine Heat Rate |
kJ/kWh |
11912 |
|
| Exhaust Gas Flow Rate |
kg/s |
30. 03 |
|
| Exhaust Gas Temperature |
℃ |
552. 8 |
|
| Exhaust Gas Pressure |
kPa |
104. 14 |
|
| Gas Turbine Rotational Speed |
r. p. m |
14045 |
|
| NOx Emission |
mg/Nm³ |
30 |
At 15% oxygen content |
| Inlet Duct Pressure Loss |
mmH₂O |
50 |
|
| Exhaust Back Pressure |
mmH₂O |
250 |
|
Generator Technical Parameters
| Item |
Unit |
Value |
| Gas Generator Model |
— |
Tfw8-4 |
| Rated Power |
MW |
8 |
| Rated Voltage |
kV |
10. 5 |
| Rated Frequency |
Hz |
50 |
| Generator Rotational Speed |
Rpm |
1500 |
| Power Factor |
Lagging |
0. 8 |
| Neutral Point Earthing Mode |
— |
/ |
| Cooling Method |
— |
Air-water Cooling ICW 87 |
| Stator Winding Connection |
— |
Y |
| Excitation Mode |
— |
Brushless Excitation |
| Short Circuit Ratio |
— |
0. 534 |
| Insulation Class |
— |
F/b |
| Control Cabinet |
Set |
1 |
| Service Life |
Year |
≥30 |
| Noise Level |
dB |
≤85 (1m away from enclosure) |
| Weight |
T |
33. 6 |
Lubrication System Technical Parameters of Gas Turbine Generator Unit
| Item |
Unit |
Value |
| Lubricating Oil Grade (Winter & Summer) |
— |
VG46 |
| Lubricating Oil Tank Volume |
m³ |
4. 537 |
| Maximum Oil Temperature |
℃ |
74 |
| Total Lubricating Oil Charge |
m³ |
5. 041 |
Gas Turbine Emission Data (100% Load)
| Item |
Unit |
Value |
| NOx Emission (at 15% O₂) |
mg/Nm3 |
30 |
| CO |
mg/Nm3 |
18 |
| SOX |
mg/Nm3 |
35 |
| Particulate Matter |
mg/Nm3 |
5 |
Summary of Main Technical Parameters of Gas Turbine Generator Unit
| Item |
Unit |
Value |
| Unit Model |
— |
SGT-300 |
| Rated Power of Generator Unit |
kW |
7865 |
| Rotational Speed (Turbine / Generator) |
rpm |
14045/ 1500 |
| Fuel Gas Inlet Pressure |
kPa |
2200~2900 |
| Exhaust Gas Temperature |
℃ |
552. 8 |
| Exhaust Back Pressure |
kPa |
2. 5 |
| Exhaust Gas Flow Rate |
kg/s |
30. 03 |
| Fuel Heat Rate |
kJ/kWh |
11912 |
| NOx Emission (at 15% O₂) |
mg/Nm3 |
30 |
| Power Generation Efficiency (Local Annual Average Meteorological Condition) |
% |
30. 22 |
| Power Generation Efficiency (ISO Condition) |
% |
30. 81 |
| Total Efficiency |
% |
/ |
| Generator Output Voltage |
kV |
10. 5 |
| Frequency |
Hz |
50 |
| Net Unit Weight (Excluding Generator) |
kg |
25785 |
| Total Weight of Skid-mounted Unit (Max Single Block) |
kg |
59349 |
| Unit Weight per kW |
kg /kW |
7. 55 |
| Noise Standard |
dB(A) |
85 |
| Enclosure Overall Dimension (Length × Width × Height) |
m |
11. 75×2. 85×10. 82 |
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