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Evaluating Capacity Value of Wind Power Plants Considering Storage Systems

Habibi, Mina | 2021

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 54022 (05)
  4. University: Sharif University of Technology
  5. Department: Electrical Engineering
  6. Advisor(s): Fotuhi Firuzabad, Mahmud; Safdarian, Amir
  7. Abstract:
  8. In recent decades, the trend towards renewable energy sources has increased dramatically. Rising fossil fuel prices and concerns about the effects of greenhouse gases and carbon dioxide emissions have drawn the attention of many energy experts to the use of renewable energy sources such as wind farms as an alternative to fossil fuel energy sources. Therefore, the issue of reliability related to these sources and whether such units can be considered as a source of generation has gained more importance. Due to the random nature of wind power, the share of these power plants in providing system adequacy is less than their nominal value. Therefore, determining the capacity value of wind power plants has attracted the attention of many researchers. The capacity value of a wind power plant is equivalent to the capacity of a conventional unit the reliability improvement resulting from both of them is equal. For this purpose, in this dissertation, the capacity value of wind power plants and the effect of wind penetration level on it are investigated. A Risk-based method using EENS has been used to calculate the capacity value of wind power plants. Besides, the effect of correlation between wind power plants with each other and the load of the system, on capacity value calculations is investigated. In order to model the random behavior of wind power, the Monte-Carlo method is used to obtain different scenarios, and then by examining the scenarios, the capacity value of each scenario has been calculated. In addition, by adding energy storage systems to the grid and solving an optimization problem, to maximize the profit of the energy storage system owner, its effect on the capacity value is investigated. Finally, all of the above are implemented and tested on the IEEE-RTS test system, and the results are thoroughly studied and analyzed. According to the results, it is observed that with increasing the level of wind penetration in the system, the capacity value increases regardless of the presence of energy storage systems in the system. Also, at higher wind penetration levels, the effect of correlation on capacity value is reduced
  9. Keywords:
  10. Energy Storage System ; Power System Reliability ; Wind Power Plant ; Correlation ; Wind Energy ; Effective Capacity

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