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Designing the Structure of a PHEV Aggregator in Multi-Carrier Energy Environment

Moeini Aghtaie, Moein | 2014

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  1. Type of Document: Ph.D. Dissertation
  2. Language: Farsi
  3. Document No: 46093 (05)
  4. University: Sharif University of Technology
  5. Department: Electrical Engineering
  6. Advisor(s): Abbaspour Tehrani Fard, Ali; Fotuhi Firuzabad, Mahmoud
  7. Abstract:
  8. Large penetration of electric vehicles and distributed generation (DG) resources in upcoming years will change the future vision of distribution networks from some passive load points into active ones. The imposed load of electric vehicles charging has caused many new challenges in operation and planning studies of distribution network. In contrast, the abilities of electric vehicles in feeding back power into the network (V2G programs) has attracted attention from grid operators and also vehicles owners. So, the problem of managing charging and discharging behaviors of electric vehicles has been introduced as a hot research topic in recent year. This dissertation as the first effort in this area tries to study the problem of charging/discharging management of electric vehicles implemented on future vision of energy networks. As the vast presence of DG units having different technologies have resulted in a strong dependence between different energy carries, these units have been modeled based on the concept of energy hub. In this studies, at first, an effective framework for operating studies of multi-carries energy networks is proposed. Then, the problem of electric vehicles charging management is put under investigating by introducing the main players of this problem, their tasks and requirements. Based on these tasks and requirements, a regulatory agent, i.e. PCA is proposed to properly manage different and sometimes contradictory requirements of players from this complicated problem. once the relations between player are announced, an optimization framework for problem of charging control is designed taking into account different operating strategies of distribution networks. The mathematical formulation of this framework is presented and solved by a well-organized optimization algorithm. The other contribution of this dissertation returns to reliability evaluation studies of distribution systems in presence of V2G programs. In this regard, an effective analytical approach is presented to run the adequacy studies of distributing systems regarding various possible charging modes of electric vehicles, i.e. Plug-In and battery exchanges modes. Proposed methods and formulations are all examined in IEEE 34-node test system and the obtained numerical results are thoroughly discussed
  9. Keywords:
  10. Reliability Evaluation ; Electric Motor Vehicles ; Energy Hub ; Vehicle to Grid (V2G) ; Charging Control ; Electric Vehicles Coordinator Agent (PCA)

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