Well-being Model of Power System with Photovoltaic Unit
Subject Areas : Power Engineering and Energy Management
Amir Ghaedi
1
,
Hamid Keyvani
2
,
Ayoub Alipour
3
1 - department of electrical engineering, Dariun Branch, Isalic Azad University, Dariun, Iran
2 - Department of electrical engineering, Kazeroun Branch, Islamic Azad University, Kazeroun, Iran
3 - Department of electrical engineering, Kazeroun Branch, Islamic Azad University, Kazeroun, Iran
Keywords: renewable energies, power system operation, spinning reserve, well-being model, photovoltaic power plant,
Abstract :
Photovoltaic units convert solar energy into electricity. The power of these plants is dependent on the amount of solar radiation, and because the solar radiation is variable, the production power also changes over time, and its effect on various issues, including the operation of the power system, should be investigated. In the operation of the power system, to maintain the balance of production and consumption, some reserve is considered. In the past, the amount of reserve was considered as a percentage of load or power, and in probabilistic methods it is calculated based on risk. In the well-being model of power system, both the probabilistic model and the empirical rules are used to determine the indices. This model is based on risk and the amount of reserve is higher than the capacity of the largest unit. In this paper, the well-being model of the power system with the presence of photovoltaic plants is obtained. For this purpose, the reliability model of the photovoltaic plant is obtained by considering the failure of the components and changes in solar radiation. The simulation results are also presented to investigate the impact of photovoltaic plants on well-being model indices
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