Integrated pricing strategy for coordinating load levels in coupled power and transportation networks

Ze Zhou, Zhitao Liu, Hongye Su and Liyan Zhang

Applied Energy, 2022, vol. 307, issue C, No S0306261921013817

Abstract: The increasing popularity of electric vehicles and the development of dynamic wireless charging technology have strengthened the integration between the power system and transportation system. To coordinate the load levels of the coupled power distribution network and transportation network, we propose an integrated pricing strategy including road tolls and charging prices, which depend on the road traffic load rate in the transportation network and the bus load rate in the power distribution network, respectively. To accurately model the interdependency between the power distribution network and the transportation network, a proper interface equation is proposed. Considering data privacy, we adopt a distributed optimization. Furthermore, we present a power allocation strategy based on model predictive control to meet the charging requirements of different EVs. Correspondingly, the above ideas form a two-layer optimization strategy. Based on the integrated pricing strategy, the upper layer aims to minimize the power generation cost and transportation travel cost, while balancing the load levels. The lower layer distributes charging power to different EVs based on the total power demand from the interface equation between the power distribution network and the transportation network. Numerical results demonstrate the effectiveness of the proposed integrated pricing strategy for coordinating load levels in coupled networks.

Keywords: Coordinated load level; Electric vehicles; Dynamic wireless charging; Integrated pricing strategy; Power distribution network; Transportation network (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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DOI: 10.1016/j.apenergy.2021.118100

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