The dynamic impacts of electric vehicle integration on the electricity distribution grid

Shi, Rui (2013). The dynamic impacts of electric vehicle integration on the electricity distribution grid. University of Birmingham. M.Phil.

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This thesis is mainly concerned with the modeling of electric vehicle charging station and its dynamic interactions with distribution grid.

The thesis starts with the literature review of the technical developments in wind generation and electric vehicle integration into power grids. Then the equivalent model of electric batteries is developed and implemented in MATLAB/Simulink. The model is used to evaluate the terminal voltage and power variation during the battery charging and discharging periods. The concept of electric vehicle fast charging station is summarized and its detailed simulation model is designed for the integration of the electric vehicle batteries with the distribution network. In addition, the modeling of a wind turbine with DFIG is presented. As a wind generator requires the fault ride-through ability, crowbar protection is considered in the simulation model.

Based on the above, the interactions between electric vehicle charging stations and active distribution grid with wind turbines are investigated. The focus is to examine the possibility of bi-direction power flow control capability of EV charging stations in providing the voltage support for distribution network operations to improve the fault-ride-through of adjacent wind turbines. Simulations are used to illustrate the feasibility as well as the effectiveness of the proposed control concept. Potentially such voltage support from EV charging station can be developed as ancillary services in smart distribution grid operations.

Type of Work: Thesis (Masters by Research > M.Phil.)
Award Type: Masters by Research > M.Phil.
College/Faculty: Colleges (2008 onwards) > College of Engineering & Physical Sciences
School or Department: School of Electronic, Electrical and Computer Engineering
Funders: None/not applicable
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
T Technology > TL Motor vehicles. Aeronautics. Astronautics


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