Grid integration of electric vehicles - Impact assessment and remedial measures

Publisher:
ELSEVIER
Publication Type:
Journal Article
Citation:
Journal of Power Sources, 2025, 650
Issue Date:
2025-09-15
Full metadata record
The transportation system is rapidly electrifying due to the socioeconomic and environmental benefits of electric vehicles (EVs). Moreover, global interest in clean energy sources and advancements in EV charging technologies have significantly accelerated EV adoption. However, as demand for EV charging proliferates, interaction with the distribution grid becomes increasingly complex and poses significant challenges for grid operators and stakeholders. The large-scale integration of EVs has produced new patterns of load demand, characterized by fluctuating power requirements and localized congestion. Intermittent nature and high-power demands of EV charging, which can strain distribution infrastructure, leading to impacts on power quality, voltage and frequency deviations, harmonic distortions, thermal overloading, and operational inefficiencies. This paper investigates various impacts of EV charging systems on the distribution grid and remedial measures to achieve optimal solutions to mitigate these negative impacts. The urgency for advanced insights and strategic measures in managing the evolving dynamics of EV charging on the power grid are underscores in this paper. The implementation of smart charging systems employs advanced algorithms and communication technologies to enable demand response (DR) and load management strategies which are effectively addressing the adverse impacts of EVs. Additionally, an EV charging system with grid forming (GFM) inverter-based controller is designed and implemented in the MATLAB/Simcape environment, which can enhance grid support during steady-state and transient conditions. Finally, challenging issues and prospects are discussed in detail to anticipate and identify potential challenges, ensuring a smooth EV transition to future transportation and energy sectors.
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