Field Study of the Effect of Various Gas Turbine and Supplementary Firing Operating Modes on the Performance of a Real Combined Cycle Power Plant

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Abdollahian A.; AMERI M.

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Journal: Modares Mechanical Engineering Year:2021 | Volume:21 | Issue:5 Page(s): 285-295

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Title

Field Study of the Effect of Various Gas Turbine and Supplementary Firing Operating Modes on the Performance of a Real Combined Cycle Power Plant

Author(s)

Abdollahian A. | AMERI M. | Issue Writer Certificate

Keywords

Combined Cycle Power PlantQ2

Heat Recovery Steam GeneratorQ1

Supplementary FiringQ1

ExergyQ1

Abstract

The Supplementary Firing system is one of the common methods to compensate for the lack of thermal energy sent by gas turbines and increase the power generation of combined cycle units. The low cost of investment relative to the increase in power generation has encouraged designers to use this method in mentioned power plants. In this paper, the field study of the performance changes of a real combined cycle unit is investigated in different modes of operation with and without using Supplementary Firing system from the energy and Exergy viewpoints. Studies show that in all modes of operation of the research subject, the Supplementary Firing system causes the power generation and the energy efficiency of the steam cycle to increase to 26. 3 MW and 2. 43%, respectively. However, this system has a negative effect on the energy and Exergy efficiency of the whole combined cycle, and these cause decrease about 1. 7% and 1. 13% in the worst case, respectively. Also, it was specified that the operation of the power plants at the partial loads causes high Exergy destruction in the cycle, which higher Exergy efficiencies and steam cycle due the use of Supplementary Firing system cannot fully compensate for it.

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APA: Copy

Abdollahian, A., & AMERI, M.. (2021). Field Study of the Effect of Various Gas Turbine and Supplementary Firing Operating Modes on the Performance of a Real Combined Cycle Power Plant. MODARES MECHANICAL ENGINEERING, 21(5 ), 285-295. SID. https://sid.ir/paper/370489/en

Vancouver: Copy

Abdollahian A., AMERI M.. Field Study of the Effect of Various Gas Turbine and Supplementary Firing Operating Modes on the Performance of a Real Combined Cycle Power Plant. MODARES MECHANICAL ENGINEERING[Internet]. 2021;21(5 ):285-295. Available from: https://sid.ir/paper/370489/en

IEEE: Copy

A. Abdollahian, and M. AMERI, “Field Study of the Effect of Various Gas Turbine and Supplementary Firing Operating Modes on the Performance of a Real Combined Cycle Power Plant,” MODARES MECHANICAL ENGINEERING, vol. 21, no. 5 , pp. 285–295, 2021, [Online]. Available: https://sid.ir/paper/370489/en

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