Journal of Electrical Engineering and Technology

The Korean Institute of Electrical Engineers (대한전기학회)
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A Study on EV Charging Scheme Using Load Control

  • Go, Hyo-Sang (KRRI(Korea Railroad Research Institute)) ;
  • Cho, In-Ho (KRRI(Korea Railroad Research Institute)) ;
  • Kim, Gil-Dong (KRRI(Korea Railroad Research Institute)) ;
  • Kim, Chul-Hwan (College of Information and Communication Engineering, Sungkyunkwan University)
  • Received : 2016.10.05
  • Accepted : 2017.06.14
  • Published : 2017.09.01
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Abstract

It is necessary to charge electric vehicles in order to drive them. Thus, it is essential to have electric vehicle charging facilities in place. In the case of a household battery charger, the power similar to that consumed by a household with a basic contract power of 3kW is consumed. In addition, many consumers who own an electric vehicle will charge their vehicles at the same time. The simultaneous charging of electric vehicles will cause the load to increase, which then will lead to the imbalance of supply and demand in the distribution system. Thus, a smart charging scheme for electric vehicles is an essential element. In this paper, simulated conditions were set up using real data relating to Korea in order to design a smart charging technique suitable for the actual situation. The simulated conditions were used to present a smart charging technique for electric vehicles that disperses electric vehicles being charged simultaneously. The EVs and Smart Charging Technique are modeled using the Electro Magnetic Transients Program (EMTP).

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