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When to Charge a Small-Range Battery Electric Vehicle: Refining Charging Strategies Using a Scenario-Based Approach
| 题名： | When to Charge a Small-Range Battery Electric Vehicle: Refining Charging Strategies Using a Scenario-Based Approach |
| 正文语种： | eng |
| 作者： | Qi Zhang;Jie Yang;Zhiyuan Liu |
| 作者单位： | Jiangsu Key Laboratory of Urban Intelligent Transportation System Jiangsu Province Collaborative Innovation Center of Modem Urban Traffic Technologies School of Transportation Southeast Univ. Nanjing 211189 China;Development Research Institute of Transportation Governed by Law Law School Southeast Univ. Nanjing 211189 China;Jiangsu Key Laboratory of Urban Intelligent Transportation System Jiangsu Province Collaborative Innovation Center of Modem Urban Traffic Technologies School of Transportation Southeast Univ. Nanjing 211189 China |
| 关键词： | Battery electric vehicles (BEV); Scenario-based simulation; Daily trip chain; Cost function |
| 摘要： | Small-range battery electric vehicles (BEVs), with driving ranges less than 200 km, are susceptible to charging defects. This study applied a scenario-based approach by modeling a cost function to recommend an optimal charging strategy for small-range BEV users. The proposed cost function considers the operating and range limitation costs of BEVs. The charging threshold, which reflects the charging preference of a user, is adjusted using the cost function and analyzed by comparing different scenarios using real data collected from Shanghai, China. The simulation results indicate that every 2.5 times increase in the charging threshold results in a decrease of approximately 48.9% in the charging times and a 10% reduction in the electrified proportion of a journey. For electrified proportions below 85%, small-range BEVs are no longer an economical option over internal combustion engine vehicles. Moreover, the optimal charging threshold is 35%-41% for BEVs with a 170 km range, and the corresponding daily ownership costs are more reasonable than those of medium and long-range BEVs. The scenario analysis of the availability of the charging piles and battery price further demonstrates the economic advantages of small-range BEVs. These results provide instructible charging strategies for small-range BEV users to alleviate the shortcomings of the range limitations and frequent charging. |
| 出版年： | 2022 |
| 期刊名称： | Journal of Transportation Engineering |
| 卷： | 148 |
| 期： | 9 |
| 页码： | 04022067.1-04022067.11 |
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