Study on V2G potential of electric taxis based on map-matching multi-objective optimization

IF 6.3 2区 工程技术 Q1 ECONOMICS
Wei Zhang , Xiangli Cao , Chengjiang Li , Quande Qin , Jing Yang , Wenbo Li
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Abstract

The widespread deployment of electric taxis (ETs) and their integration into the power grid have exacerbated load fluctuations. While Vehicle-to-Grid (V2G) technology presents a viable solution, the frequent cycling of charging and discharging accelerates battery degradation, increasing battery replacement costs and potentially undermining the economic feasibility of ET adoption. This study examines ET in Shenzhen by leveraging GPS trajectory data to construct an analytical framework that integrates a map-matching algorithm with a multi-objective optimization model. The framework evaluates the economic implications and grid load fluctuations associated with ETs in parked and driving modes. The results of this study indicate that ETs can effectively reduce grid load fluctuations by up to 0.7683 % in parked mode through rational planning of charging and discharging time. Simultaneously, ETs achieve significant economic benefits of up to USD 5.92 per day. In contrast, the economic benefits in driving mode are lower than in parked mode, leading to a net loss of USD 5.92 per day for ETs with short discharge times. These findings offer valuable insights for optimizing ET charging and discharging and enhancing grid stability.
基于地图匹配多目标优化的电动出租车V2G潜力研究
电动出租车(ETs)的广泛部署及其与电网的整合加剧了负荷波动。虽然V2G技术提供了一个可行的解决方案,但频繁的充电和放电循环会加速电池退化,增加电池更换成本,并可能破坏ET采用的经济可行性。本研究以深圳ET为研究对象,利用GPS轨迹数据构建地图匹配算法与多目标优化模型相结合的分析框架。该框架评估了在停车和驾驶模式下与et相关的经济影响和电网负荷波动。研究结果表明,在停车模式下,通过合理规划充放电时间,ETs可有效降低电网负荷波动,降幅高达0.7683%。同时,碳排放计划每天可带来高达5.92美元的显著经济效益。相比之下,驾驶模式的经济效益低于停车模式,导致放电时间较短的ETs每天净损失5.92美元。这些发现为优化ET充放电和提高电网稳定性提供了有价值的见解。
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来源期刊
Transport Policy
Transport Policy Multiple-
CiteScore
12.10
自引率
10.30%
发文量
282
期刊介绍: Transport Policy is an international journal aimed at bridging the gap between theory and practice in transport. Its subject areas reflect the concerns of policymakers in government, industry, voluntary organisations and the public at large, providing independent, original and rigorous analysis to understand how policy decisions have been taken, monitor their effects, and suggest how they may be improved. The journal treats the transport sector comprehensively, and in the context of other sectors including energy, housing, industry and planning. All modes are covered: land, sea and air; road and rail; public and private; motorised and non-motorised; passenger and freight.
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