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Operation Reserve Determination in a Power System Containing Renewable Generation

Ghaedi, Amir | 2013

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  1. Type of Document: Ph.D. Dissertation
  2. Language: Farsi
  3. Document No: 44652 (05)
  4. University: Sharif University of Technology
  5. Department: Electrical Engineering
  6. Advisor(s): Abbaspour Tehranifard, Ali; Fotouhi Firouzabad, Mahmoud
  7. Abstract:
  8. Renewable energy resources, e.g. wind, solar and geothermal, experience rapid progresses in electric power industry all over the world. So, it becomes essential that these free-emission electrical energy resources be integrated in the existing generating capacity planning procedures. On the other hand, the uncertain and intermittent nature of these energies has led to some problems in their integration in power systems. The reserve requirement in a renewable-based power system is a main challenge, which has to be addressed properly. In this way, this research presents an analytical approach, based on the modified PJM method, to quantify the risk of renewable energies commitment during the system operation. For this purpose, a reliability model for PV and wind farms is developed in which both the uncertainties associated with solar radiation and wind speed and, also, components outages are taken into account. The proposed model represents these farms by a multi-state generating unit which is suitable for the generation system assessment. To reach appropriate analytical models for the variable output level of the renewable energies, a well-known clustering method, fuzzy c-means clustering, is employed. At the next step, for reserve determination of a renewable energy-based power system, an analytical method is proposed and the operation studies of a power system containing wind and solar generation is performed. In order to consider the impact of transmission system on the studies, reliability evaluation of a composite power system with renewable resources is discussed. Finally, the last part of this research is related to the impact of the vanadium redox batteries on the reliability evaluation of the renewable energy-based power system. In all parts of the research, the proposed methods is applied to two various case studies, i.e. Roy Billinton Test System (RBTS) and IEEE Reliability Test System (IEEE-RTS). Wind speed historical data associated with a wind farm in Manjil and also the historical solar radiation data of Jask, both in Iran, are utilized to more efficiently validate the main features of the proposed analytical models
  9. Keywords:
  10. Reliability Model ; Operating Reserve ; Wind Farms ; Photovoltaic System ; Power Transmission System ; Energy Storage ; Renewable Energy Resources

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