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Μodeling and simulation of plug-in hybrid electric vehicles as a source of distributed frequency regulation

Neofytou Neofytos

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Year 2015
Type of Item Diploma Work
Bibliographic Citation Neofytos Neofytou, "Μodeling and simulation of plug-in hybrid electric vehicles as a source of distributed frequency regulation ", Diploma Work, School of Electronic and Computer Engineering, Technical University of Crete, Chania, Greece, 2015
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The rapid development of technology of electric vehicles and in particular their penetration in electricity networks is a major challenge for the area of electric power systems. The utilization of battery capacity of the interconnected vehicles can bring significant benefits to the network via the Vehicle to Grid (V2G) operation. The V2G operation is a process that can provide primary frequency regulation services in the electric network by exploiting the total capacity of a fleet of electric vehicles. This thesis studies the involvement of the electric vehicles in the primary frequency regulation and the effects that bring to it in non-interconnected power systems. Also is taken in consideration the requirements of users for charging their vehicles. The V2G operation can be performed either with fluctuations in charging power of vehicles, or by charging or discharging of the battery. So an electric vehicle user can participate in V2G operation either during the loading of the vehicle to the charging station, or by connecting the vehicle to the charging station without any further demands to charge its battery. By disconnecting electric vehicles from their point of connection to the mains should the charge status of the battery be maintained at the desired level by the user. By writing code in Matlab it is simulated the response of electric vehicles in the frequency fluctuations of the network. Additionally, by using the Power World Simulator, it is performed simulations for the power system of Cyprus in order to demonstrate the effectiveness of V2G operation in the primary frequency regulation.

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