Performance Analysis of an Open Cycle Gas Turbine Power Plant in Grid Electricity Generation

2020 ◽  
Author(s):  
M. J. B. Kabeyi ◽  
O. A. Olanrewaju
Keyword(s):  
Power Plant ◽  
Performance Analysis ◽  
Gas Turbine ◽  
Electricity Generation ◽  
Open Cycle ◽  
Gas Turbine Power Plant

ANALYSIS OF THERMAL EFFICIENCY OF OPEN CYCLE GAS TURBINE POWER PLANT AT PUTRAJAYA (MALAYSIA)

2015 ◽  
Vol 76 (5) ◽  
Author(s):  
Alhassan Salami Tijani ◽  
Mohd Rashid Halim
Keyword(s):  
Power Plant ◽  
Gas Turbine ◽  
Thermal Efficiency ◽  
Pressure Ratio ◽  
Inlet Temperature ◽  
Compressor Inlet ◽  
Current Cycle ◽  
Open Cycle ◽  
Gas Turbine Power Plant ◽  
Regenerative Cycle

The purpose of this paper is to study the performance of an existing open cycle gas turbine power plant at Putrajaya power station. At compressor inlet temperature of 298.90K, thermal efficiency of 31 % was observed for the existing or current cycle whiles the modified configuration yielded thermal efficiency of 45 %, this result in 14 % increase in thermal efficiency. At pressure ratio of 3.67, thermal efficiency of about 31.06% and 44% was recorded for the current cycle and regenerative cycle respectively. The efficiency of both cycles increase considerably with increase in pressure ratio, but at pressure ratio of about 7, only a small increase in efficiency for both cycles was observed. The optimum value of the efficiencies for both cycles that correspond to pressure ratio of 7 is 43.06 and 56% for the current cycle and the regenerative cycle respectively.

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