SPATIOTEMPORAL PREDICTION AND DISTRIBUTION OF ELECTRIC VEHICLE CHARGING AND BATTERY-SWAPPING LOADS UNDER MULTI-LAYER COMPLEX TRAVEL CHAIN FRAMEWORK

Yan Jing; Cheng Jing

doi:10.19912/j.0254-0096.tynxb.2025-0651

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Acta Energiae Solaris Sinica ›› 2026, Vol. 47 ›› Issue (9) : 437-447. DOI: 10.19912/j.0254-0096.tynxb.2025-0651

SPATIOTEMPORAL PREDICTION AND DISTRIBUTION OF ELECTRIC VEHICLE CHARGING AND BATTERY-SWAPPING LOADS UNDER MULTI-LAYER COMPLEX TRAVEL CHAIN FRAMEWORK

Yan Jing¹, Cheng Jing²

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Abstract

Aiming at the problem that the disorderly charging behavior of electric vehicles （EVs） connected to the grid affects the stability of the grid, a spatio-temporal prediction model of EV charging and swapping loads based on multi-layer complex travel chains is proposed under the condition of considering the accommodation of new energy. The model aims to reveal the dynamic compensation mechanism of swapping loads for the fluctuations of charging loads under the “charging-swapping” interaction mode. Firstly, the travel characteristics of EVs are determined under the multi-layer complex travel chain model, and the Floyd algorithm is used to find the optimal travel path. The unit mileage power consumption is determined by combining the “flow-speed” relationship. Secondly, the charging models of charging and swapping are respectively constructed, and the charging mode selected by EVs is determined under the “charging-swapping” interaction mode. Thirdly, a mathematical model of wind and solar power generation is established. Finally, the spatio-temporal distribution maps of the charging loads and new energy generation are formed through data processing, and the load data under different modes are compared. The experimental results show that the charging demand generated by EVs during driving has obvious regional differences, and the swapping load can effectively mitigate the fluctuations of charging loads under the accommodation of new energy.

Key words

electric vehicles / charging stations / renewable energy / battery swapping station / functional area / Floyd algorithm / "Charge-Swap" interactive mode

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Yan Jing, Cheng Jing. SPATIOTEMPORAL PREDICTION AND DISTRIBUTION OF ELECTRIC VEHICLE CHARGING AND BATTERY-SWAPPING LOADS UNDER MULTI-LAYER COMPLEX TRAVEL CHAIN FRAMEWORK[J]. Acta Energiae Solaris Sinica. 2026, 47(9): 437-447 https://doi.org/10.19912/j.0254-0096.tynxb.2025-0651

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