The Transactions of The Korean Institute of Electrical Engineers (전기학회논문지)

The Korean Institute of Electrical Engineers (대한전기학회)
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A Study on the Power Management Algorithm of Centralized Electric Vehicle Charging System

중앙제어기반 전기자동차 충전시스템의 에너지관리 알고리즘에 관한 연구

  • Do, Quan-Van (Dept. of Energy and Power Conversion Engineering, University of Science and Technology) ;
  • Lee, Seong-Joon (Smart Power Facility Research Center, Smart Grid Division, Korea Electrotechnology Research Institute (KERI)) ;
  • Lee, Jae-Duck (Smart Power Facility Research Center, Smart Grid Division, Korea Electrotechnology Research Institute (KERI)) ;
  • Bae, Jeong-Hyo (Smart Power Facility Research Center, Smart Grid Division, Korea Electrotechnology Research Institute (KERI))
  • Received : 2010.10.06
  • Accepted : 2011.02.21
  • Published : 2011.03.01
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Abstract

As Plug-in Hybrid Vehicle and Electric Vehicle (PHEV/EV) take a greater share in the personal automobile market, their high penetration levels may bring potential challenges to electric utility especially at the distribution level. Thus, there is a need for the flexible charging management strategy to compromise the benefits of both PHEV/EV owners and power grid side. There are many different management methods that depend on the objective function and the constraints caused by the system. In this paper, the schema and dispatching schedule of centralized PHEV/EV charging spot network are analyzed. Also, we proposed and compared three power allocation strategies for centralized charging spot. The first strategy aims to maximize state of vehicles at plug-out time, the rest methods are equalized allocation and prioritized allocation based on vehicles SoC. The simulation results show that each run of the optimized algorithms can produce the satisfactory solutions to response properly the requirement from PHEV/EV customers.

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References

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