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http://dx.doi.org/10.5370/JEET.2016.11.4.820

A Priority Index Method for Efficient Charging of PEVs in a Charging Station with Constrained Power Consumption  

Kim, Seung Wan (Dept. of Electrical and Computer Engineering, Seoul National University)
Jin, Young Gyu (School of Electrical Engineering, Korea University)
Song, Yong Hyun (Dept. of Electrical and Computer Engineering, Seoul National University)
Yoon, Yong Tae (Dept. of Electrical and Computer Engineering, Seoul National University)
Publication Information
Journal of Electrical Engineering and Technology / v.11, no.4, 2016 , pp. 820-828 More about this Journal
Abstract
The sizable electrical load of plug-in electric vehicles may cause a severe low-voltage problem in a distribution network. The voltage drop in a distribution network can be mitigated by limiting the power consumption of a charging station. Then, the charging station operator needs a method for appropriately distributing the restricted power to all plug-in electric vehicles. The existing approaches have practical limitation in terms of the availability of future information and the execution time. Therefore, this study suggests a heuristic method based on priority indexes for fairly distributing the constrained power to all plug-in electric vehicles. In the proposed method, PEVs are ranked using the priority index, which is determined in real time, such that a near-optimal solution can be obtained within a short computation time. Simulations demonstrate that the proposed method is effective in implementation, although its performance is slightly worse than that of the optimal case.
Keywords
Plug-in electric vehicle; Charging station; Power distribution algorithm; Heuristic algorithm;
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