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Use of Thermal Storage for Compressed Air Energy Storage (CAES)

Yazdanibakhsh, Hamid Reza | 2018

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 50547 (46)
  4. University: Sharif University of Technology
  5. Department: Energy Engineering
  6. Advisor(s): Rajabi Ghahnavieh, Abbas
  7. Abstract:
  8. One of the issues that today is considered by planners and system operators in power systems, especially the Iranian power grid, is the high variation and the lack of uniformity of load curves in different hours of the day. This has led to the use of all installed capacity of the country's production only in peak hours, and in the low and intermediate times, a large amount of installed capacity is out of the circuit, which means Unused capital. This problem is more or less seen in world power networks with high load variation curves. Also, the production of renewable energies has always been fluctuating, and the production of power control to improve this fluctuation is very important. This has prompted researchers to think of storing electrical energy by looking at human experiences and the storage background for a long time. Since the cost of generating electricity and its sales price varies considerably overnight due to the emergence of the electricity market, so the idea of electricity storage during non-peak hours (cheap electricity) and its use during peak hours of (expensive electricity) Was raised. The purpose of this thesis is to investigate the use of thermal storage in a compressed air energy storage system. According to the previous experience in building a prototype energy storage system at the Faculty of Energy at 2kW, which is mentioned in the research background, our intention is to consider the use of thermal storage for this system To be placed. For this purpose, the system model is developed and verified using the available data from the sample system initially. Then, the thermal storage, simulation and implementation and its effect on the optimal performance of the system are examined
  9. Keywords:
  10. Energy ; Thermal Energy Storage ; Compressed Air Energy Storage (CAES) ; Energy Recovery ; Energy Storage

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