Abstract

The performance correction curves of gas turbine, waste heat boiler and steam turbine in gas-steam combined cycle power plants are often reflected in engineering documents, but the overall performance correction curves of gas-steam combined cycle power plants are not in the documents mentioned. Based on the performance correction curves of gas turbine, waste heat boiler and steam turbine, the correction relationship between atmospheric temperature and the overall performance of gas-steam combined cycle power plant is calculated according to the principle of energy and mass conservation. The specific calculation process is shown in the TABLE in the text. The calculation process can provide ideas and references for the drawing of the overall performance correction curves of the gas - steam combined cycle power plant with other parameters such as atmospheric pressure, atmospheric humidity, fuel temperature, frequency, etc. in the gas-steam combined cycle power plant.

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