Journal of Jilin University(Engineering and Technology Edition) ›› 2019, Vol. 49 ›› Issue (5): 1471-1477.doi: 10.13229/j.cnki.jdxbgxb20181270

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Location and capacity model of electric vehicle charging station considering commuting demand

Qing-yu LUO(),Wan-li TIAN,Hong-fei JIA()   

  1. College of Transportation, Jilin University, Changchun 130022, China
  • Received:2018-12-24 Online:2019-09-01 Published:2019-09-11
  • Contact: Hong-fei JIA E-mail:luoqy@jlu.edu.cn;jiahf@jlu.edu.cn

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Abstract:

In order to meet the charging demand of electric vehicle for commute users near their workplace, a charging station location and capacity model is constructed. The objectives are to minimize the cost of building charging station and minimize the generalized charging cost of users. The convenience factor is introduced to quantify the charging expectation of the user to obtain the number of electric vehicles and the power demand of the charging station. The calculation example shows that the location of charging station is not sensitive to the threshold of convenience coefficient, but the economy of construction becomes worse with the decrease in the threshold of convenience coefficient. Therefore, the range of the threshold value of convenience coefficient under different programming objectives is suggested.

Key words: transportation planning and management, location and capacity determination of charging station, elastic demand analysis, charging cost, convenience coefficient

CLC Number: 

  • U491

Fig.1

Research area and alternative sites"

Table 1

Number of electric vehicles and construction costs of chargers at each alternative site"

地点电动汽车数量/辆单位快充建设成本/元单位慢充建设成本/元
总计3 782--
144011 7003 900
243211 5003 700
342511 4003 600
440911 1303 500
541411 7003 900
644711 5003 700
742011 2003 300
847111 4003 600
941411 9004 100

Table 2

Costs of auxiliary equipment and power of chargers"

设备等级辅助设备成本/元充电设备效率/kw每小时充电增加的公里数/(km·h-1)
慢充30 0001510
快充100 0009080

Table 3

Distribution of specific gravity and driving mileage and charging times for each level of electric vehicles"

组别所占比重/%单程行驶里程/km慢充充电时间/h快充充电时间/h
1291~100.70.26
22211~201.70.39
31721~302.70.51
41031~403.70.64
5741~504.70.76
6551~605.70.89
7361~706.71.01
88>708.71.26

Table 4

Parameter values of users’ generalized"

参 数数值参 数数值
WB/元9 000TW/h8
WD/天251Vw/(km·h-1)4

Table 5

Values of relevant parameters in model"

参数数值参数数值
K1Y/年5
Gj1ω10.5
TD/km1ω20.5
R/km0.5

Fig.2

Location of charging stations and service scope"

Table 6

Number of chargers and construction costs"

阈值站点快充数量慢充数量建设费用/元
12118221 568 400
5131241 756 300
785171 138 100
1027211998 700
593111 261 000
76114859 400
202598838 100
57291 007 500
76114859 400
∞2330479 500
5390556 300
7180301 600

Fig.3

Total cost at four different thresholds"

Fig.4

Amount of energy demand and number of electric vehicles served at four different thresholds"

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