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Open AccessArticle

Charging Load Allocation Strategy of EV Charging Station Considering Charging Mode

1
Beijing Electric Power Research Institute, State Grid Beijing Electric Power Company, Beijing 100075, China
2
School of Electrical Engineering and Automation, Wuhan University, Wuhan 430072, China
*
Author to whom correspondence should be addressed.
World Electr. Veh. J. 2019, 10(2), 47; https://doi.org/10.3390/wevj10020047
Received: 6 May 2019 / Revised: 17 June 2019 / Accepted: 20 June 2019 / Published: 23 June 2019
(This article belongs to the Special Issue Charging Infrastructure for Electric Vehicles)
A charging load allocation strategy for Electric Vehicles (EVs) considering charging mode is proposed in this paper in order to solve the challenge and opportunity of large-scale grid-connected charging under the background of booming EV industry in recent years. Based on the peak-to-valley Time-of-Use (TOU) price, this strategy studies the grid load, charging cost and charging station revenue variation of EVs connected to the grid in different charging modes. In addition, this paper proposes an additional charging mechanism for charging stations to encourage EV owners to participate in the peak and valley reduction of the grid through coordinated charging. According to the example analysis, under the same charging demand conditions, the larger EV charging power will have a greater impact on the grid than the conventional charging power. This article collects additional service fees for car owners who are not involved in the coordinated charging. When the response charging ratio is less, the more total service charges are charged, which can compensate for the decline in the sales revenue of the charging station during the valley period. While having good economy, it can also encourage the majority of car owners to participate in the coordinated charging from the perspective of charging cost. View Full-Text
Keywords: EV; coordinated charging; TOU price; charging power; charging station EV; coordinated charging; TOU price; charging power; charging station
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Zhao, Y.; Huang, H.; Chen, X.; Zhang, B.; Zhang, Y.; Jin, Y.; Zhang, Q.; Cheng, L.; Chen, Y. Charging Load Allocation Strategy of EV Charging Station Considering Charging Mode. World Electr. Veh. J. 2019, 10, 47.

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