An Orderly Charging and Discharging Strategy of Electric Vehicles Based on Space–Time Distributed Load Forecasting

Author:

Liu Hengyu12,Xing Zuoxia1,Zhao Qingqi1,Liu Yang1,Zhang Pengfei1

Affiliation:

1. The School of Electrical Engineering, Shenyang University of Technology, Shenyang 110870, China

2. Electric Power Research Institute of State Grid Liaoning Electric Power Co., Ltd., Shenyang 110055, China

Abstract

Given the widespread adoption of electric vehicles, their charging load is influenced not only by vehicle numbers but also by driving and parking behaviors. This paper proposes a method for forecasting electric vehicle charging load based on these behaviors, considering both spatial and temporal distribution. Initially, the parking generation rate model predicts parking demand, establishing the spatial and temporal distribution model for electric vehicle parking needs across various vehicle types and destinations. Subsequently, analyzing daily mileage and parking demand distributions of electric vehicles informs charging demand assessment. Using the Monte Carlo simulation method, large-scale electric vehicle behaviors in different spatial and temporal contexts—parking, driving, and charging—are simulated to predict charging load distributions. Optimization of electric vehicle charging and discharging enhances grid stability, cost management, charging efficiency, and user experience, supporting smart grid development. Furthermore, charging load forecasting examples under diverse scenarios validate the model’s feasibility and effectiveness.

Funder

National Natural Science Foundation of China

Liaoning Province Science and Technology Plan Joint Fund

iaoning Joint Fund of the National Natural Science Foundation of China

Publisher

MDPI AG

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