Used GE PG 6531 Gas Turbine and Combine Cycle Power Plant of 36MW+15MW with HFO as Fuel from China
1. Gas Turbine/compressor, under ISO condition with base load.
Equipment # |
#1 Gas turbine |
Model |
PG6531B |
Manufacturer |
Nanjing Turbine Works (China)
GE’s partner in China |
Serial # |
GT6002 |
Combine Cycle |
Combine Cycle |
Shaft Speed |
5100 rpm |
Control |
Mark IV |
Starting |
Diesel Engine |
Rated Output |
36.5MW |
Inlet air temperature |
15 oC (59 oF) |
GT inlet temperature |
1104 oC |
Exhaust air temperature |
543 oC |
Heat Rate per KW |
11630 KJ/KW*H |
Heat Rate |
424.1*106 KJ/H |
Efficiency |
30.95% |
Air flow |
491*103 kg/h |
Turbine Stages |
3 stages |
Compressor Stages |
17 stages |
Compressor pressure ratio |
11.7 |
Compressor inlet temp. |
15 oC |
Compressor inlet pressure |
1013 mbar |
Compressor shaft speed |
5100 rpm |
2. HRSG
#1 HRSG: made by Harbin Boiler Works; Series #: Q377/535-62-3.8/445; Connected with #1 gas turbine and #1 steam turbine made by Nanjing Turbine Works. Operated in Dec. of 2000. Two pressures structure.
3. Steam Turbine
Equipment # |
#1 steam turbine |
Ex-work time |
1999.1 |
Year of starting operation |
2000 |
Main steam valve inlet pressure MPa |
3.43 |
Max. |
3.63 |
Min. |
3.14 |
Main Steam Valve Temperature Degree C |
440 |
Max |
450 |
Min |
420 |
Rated Steam Flow T/H |
58.5 |
Exhaust Pressure KPa |
10.7 |
Rated Turning Speed rpm |
6300 |
Generator Rated Turning Speed rpm |
3000 |
Connection between turbine and generator |
Coupling |
Steam Consumption, in calculation kg/kwH |
4077 |
Steam Consumption, guaranteed kg/kwH |
4.199 |
Heat Rate, in calculation kj/kwH |
12711 |
Heat Rate, guaranteed kj/kwH |
13092 |
Inlet cooling water temp. degree C |
30 |
Cooling water flow cubic m/h |
3000 |
Turning speed tolerance |
5+/-1% |
Synchronizing Range rpm |
2882--3180 |
Main steam shut-off time S |
<0.1 |
4. Generator
NO. |
#1 GT Generator |
#4 ST Generator |
Manufacturer |
Nangjing Turbine Works |
Nanjing Turbine Works |
Ex-Work Year |
1991.5 |
1999.2 |
COD time |
1992.8 |
2001.3 |
Capacity |
45000KVA |
18750KVA |
Rated Output Power |
36MW |
15MW |
Stator Voltage |
10500V |
10500V |
Stator Currency |
2474.4A |
1031A |
Frequency |
50Hz |
50Hz |
Speed |
3000RPM |
3000RPM |
Power Factor |
0.8 |
0.8 |
5. Main Transformer
Equipment No. |
#1 |
#4 |
Model |
SF7-50000/110 |
SF9-20000/110 |
Manufacturer |
Shenyang Transformer Works |
Shenyang Transformer Works |
Rated Capacity |
50MVA |
20MVA |
Rated Currency |
239A/2625A |
95.4A/1099A |
Phrase |
3 |
3 |
Frequency |
50Hz |
50Hz |
Off Load Loss |
45.4KW |
27.5KW |
On Load Loss |
197KW |
104KW |
6. Other information:
Currently, this combine cycle unit is burning HFO. In the normal condition, 1KWh spends 220g HFO.
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