Plant Specifications

ORIGINAL EQUIPMENT MANUFACTURER

SIEMENS

TURBINE

Number of Stages: 4

FUEL

Natural Gas

GAS TURBINE OPEN CYCLE

Power Output per unit: 145Mw
Number of Units: 3
Total Capacity: 435Mw
Model: SGT5-2000E Formerly V94.2
Frequency: 50Hz

COMPRESSOR

Number of stages: 16
Number of variable inlet guide vane rows: 1
Extraction ports in stages: 5/10
Compressor Pressure Ratio Approx: 11.1

COMBUSTION CHAMBERS

Type: Off Board
Number of CC: 2
Number of burners per CC: 8
Number of Ignition Burners per CC: 8

GENERATOR

Type TLR1 115/36
Rating: 164MVA
Power Factor: 0.85
Rated terminal voltage: 15.75+/_5%Kv
Rated current: 6.012KA
Speed: 50 cycles/sec
Frequency: 50Hz

TRANSFORMER

Rated power: 173 600 kVA with ODAF cooling
Power definition: According to IEC 76
Power constant on all positions
Rated voltage ratio: 345 000 V ±10% in ±8
steps /15 750 V
Voltage deviation of Generator ± 5% continuously

WINDING VOLTAGE kV/CURRENT A
Position 1 379,5 264,1
HV Position 9 345 290,5
Position 17 310,5 322,8
LV 15,75 6363,7
Vector group: YNd11
Impedance voltage in % at 75° C:
Rated Power

MVA
Position Short-circuit voltage %1 -173,6 HV / LV 9 1717 –
No-load current: 0,2 %
Maximum permissible short-circuit duration: 2s, IEC
Rated frequency: 50 Hz