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Developing a New Model to Estimate Flexibility of Thermal and Electrical Storage Units in Active Energy Distribution Systems

Hadi, Mohammad Behzad | 2021

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 53909 (46)
  4. University: Sharif University of Technology
  5. Department: Energy Engineering
  6. Advisor(s): Moeini Aghtaie, Moein
  7. Abstract:
  8. Nowadays, variable generation and renewable energy resources are increasingly penetrating the energy systems to supply the users' demand at the distribution grid. Variable Energy Resources (VER) can provide energy at a lower cost, and they also guarantee cleaner energy. Still, the uncertainty and variability from these resources' output can affect the net-load of the system at each hour. Besides, the issue of energy balance has always been a challenge for the energy distribution networks. A comprehensive way to unravel this problem is to use flexible resources. One of the crucial issues in the flexibility debate is meeting this need by different energy resources. It is always an issue for the operators and prosumers to find an optimal relation between the operational units of the energy system and the integration of resources and utilizing of different types of generation units in the cooperation of each other. Electricity and thermal energy storage resources have played an essential role in balancing supply and demand as a unit with low operating costs. In this dissertation, an attempt has chosen to provide a practical and efficient method for estimating the flexibility of these energy resources by following these steps: introducing the concepts of flexibility, and solving the operational challenges of the energy system and the optimal management of existing energy resources, and eventually estimation of operational flexibility of these resources by introducing abundant indices. After introducing a general indice for electrical and thermal electricity operational flexibility, a sensitivity analysis is run to better understanding of provision of flexibility
  9. Keywords:
  10. Energy System ; Energy Storage ; Flexibility ; Uncertainty ; Renewable Energy Resources ; Optimal Energy Management

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