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Developing an Efficient Approach for Improving Operational Resilience of Power Distribution Network in Facing with Earthquake

Amani Jouneghani, Farshad | 2020

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 52579 (05)
  4. University: Sharif University of Technology
  5. Department: Electrical Engineering
  6. Advisor(s): Fotuhi Firuzabad, Mahmud
  7. Abstract:

  8. The design and operation of energy systems infrastructure is typically based on key reliability criteria such as system security and adequacy. Nowaday, with the rise of unexpected events and events such as floods, earthquakes, storms, and other natural phenomena can affect the performance of energy infrastructure. Given the low probability of these events, reliability studies and relevant criteria cannot guarantee that an energy infrastructure can respond well to these events. Investigating the ability of energy infrastructures to deal with these phenomena is divided into resilience studies. To overcome these challenges, this thesis has attempted to detail some of these natural events. Since the concept of earthquakes has previously been less favored by electrical engineer studies, it has therefore been attempted to first introduce the foundation of this field of science. Then a process is developed to model the impact of the accident on the power infrastructure. Since every component of the power grid equipment (eg power transformer, power supply, breaker, switches, etc.) has a unique impact on the overall performance of the power system, so This thesis attempts to find a way to see the impact of all this equipment on the overall performance of the power grid. After a comprehensive model was developed to find the final status of energy infrastructure equipment following the earthquake, a mathematical model consisting of the reconfigoration of power grids, deliberate islanding of distributed generation resources, and repair crews dispatch will be offered. The purpose of this model is to be able to retrieve interconnected networks at the fastest and most economical cost possible and to provide the load required by subscribers. In this regard, a mathematical model of mixed integer linear programming (MILP) is presented which can converge in a short time and deliver the solution of the problem. It should be noted that in order to recover the interconnected networks of electricity, it is proposed in this thesis to establish an emergency management agency consisting of expert teams with expertise in repairing electricity equipment at the same time. It is also necessary to provide the agency with information and performance status of both networks in order to carry out coordinated repairs.
  9. Keywords:
  10. Damage Assessment ; Electric Networks ; Seismic Damage ; Repair Crew Dispatch ; Electricity Networks Reconfigoration ; Electricity Networks Reconfigoration ; Distributed Generation Resource Deliberate Islanding

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