Operation studies of the power system containing solar power plants equipped with linear parabolic collectors

Subject Areas :

Mohammad Bagher Rezaeianzadeh ¹ , Mohammad h Fatehi ²

1 - Department of Electrical & Computer, Kazeroun Branch, Islamic Azad University, Kazeroun, Iran
2 - Department of Electrical Engineering, Kazerun Branch, Islamic Azad University, Kazerun, Iran

Received: 2023-07-22 Accepted : 2023-11-18 Published : 2023-12-20

Keywords: solar power plant equipped with linear parabolic collector, operation, sun irradiance, unit commitment risk, spinning reserve,

Abstract :

Due to the issues and problems that fossil fuel-based power plants have, the use of renewable energy sources such as wind, sun and ocean in the power system to generate electricity is increasing. Environmental pollution, worry about running out of fossil fuel resources and their price fluctuation are among the problems that have caused different countries of the world to think about replacing them with renewable energy sources. One of the types of power plants that uses the sun's energy to produce electricity is parabolic collector solar thermal power plants. In these power plants, the sunlight is focused on a focal point with the help of parabolic mirrors. In these power plants, the focal point is in the form of a line in which tubes containing fluid are placed. The heat from concentrated sunlight causes the temperature of the fluid inside the tube to increase. With the help of a heat exchanger, the heat of the fluid inside the pipe is transferred to the water and causes its evaporation. Water vapor also causes the rotation of the turbine and, as a result, produces electricity. Considering that the production capacity of these power plants is high, these power plants can be connected to the transmission network. On the other hand, one of the important issues in the power network is the operation issue. In the operation of the power system, the production power must be equal to the required load so that the network frequency remains constant at a certain value. Considering that the production power of parabolic collector solar power plants depends on the amount of solar radiation, due to the change of solar radiation, the production power of parabolic collector power plants also changes, and therefore, the study of the operation of the power system with the presence of this power plant will be different from the study of power system operation that has conventional power plants with constant and controllable power. Therefore, in this research, the study of power system utilization with the presence of parabolic collector power plant will be done.

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