Model Number

GT13D3A

This 273MW combined cycle power plant is completely introduced from ABB Group Switzerland. Com and manufactured by America GE Company. It was commercially run in 1993 year. It is composed of two (2) GT13D3A gas turbines and one (1) DK1-1N31 steam turbine.

The operating conditions and main technical data are as follows:

1.      Operating conditions:

Atmospheric Temperature:             25℃

Atmospheric Pressure:                1010mbar

Humidity:                            80%

Fuel:                                180cst HFO

2.      Gas turbine data:

Model:                                 GT13D3A

Compression Grade:                        18

Turbine Grade:                             5

Pressure Ratio:                             12.4

Air Flow:                                 317kg/s

Turbine Inlet Temperature:                    990℃

Turbine Exhaust Temperature:                 500℃

Combustor:                             Single-cylinder, Single injector                

3.      Operating data (Standard Status and Basic Load)

Output power of each turbine:                           92MW

Total output power by combined cycle:                    273MW

Unicycle Fuel consumption:                            296g/kWh

Unicycle Heat efficiency:                              29.8%

Combined cycle Fuel consumption:                      204g/kWh

Combined cycle Heat efficiency:                         43%

Combined cycle Total Heat consumption:                   8376KJ/kWh

4.      Steam turbine main data:

Model:                          DK1—1N31 Single-cylinder, Straight condensing, Reaction turbine

Grade Number:                              26

Inlet Steam Pressure:                        36bar

Inlet Steam Temperature:                     473℃

Exhaust Steam Pressure:                     0.065bar

Rated Power:                                87MW

5.      The Overhaul of generating set:

Under the terms of manufacturer- ALSTOM, when use HFO fuel, the overhaul cycle of GT13D3A gas turbine is 16000EOH, GT13DM gas turbine: 24000EOH, steam turbine: 50000EOH.

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