Inlet temperature effect on Electric Power Production from gas turbine power plants in Kurdistan-Iraq
The demand for electric power is significantly high during the hot summer season. Electric-power output of simple cycle gas turbines vary according to the inlet conditions. The amount of these variations greatly affects the production of electricity. Therefore, the variation of inlet temperature will effect on the electric power production. For this purpose, simple cycle gas turbines in three stations are demonstrated in this study. Each station contains four units with 125 MW power output for each unit. The units were designed to produce 125 MW at standard design conditions (sea level, 15 °C, 1.013bar, 60% relative humidity). While, the operation conditions in Kurdistan region recorded highest ambient temperature. The objective of this study is to analysis the power output of the stations based on the variation in the inlet temperature. The results show that the losses in electricity production occur in all regions during the periods that the temperature is above the standard design temperature and loss up to 21.6 % depending upon the regions. While, the average power output of the plant decreases by 0.91 % for each 1 oC increase in inlet temperature.
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