Electric vehicle charging system model for accurate electricity system planning

PURVINS, Arturs; COVRIG, Catalin-Felix; LEMPIDIS, Georgios

doi:10.1049/iet-gtd.2018.5580

This article presents a novel electric vehicle (EV) charging system model. The model introduces power constraints in the grid-to-battery converter to improve modelling accuracy. Simulation results of the presented model indicate EV charging impact on a low-voltage electricity grid. Even though most of the battery charging load is spread evenly during desired times (e.g. off-peak load during night), power constraints of the EV model result in narrow peak loads. Plug-in EVs bring additional load to the electricity grid. If not managed properly, high EV deployment may lead to unnecessary grid investments due to high-peak currents of EV charging. Rising numbers of grid connected EVs is a challenging task in the future electricity grid planning. Thus an accurate EV charging system model is essential for reliable analysis of EV deployment.

PURVINS Arturs; COVRIG Catalin-Felix; LEMPIDIS Georgios;

2018-11-13

INST ENGINEERING TECHNOLOGY-IET

JRC107465

1751-8687 (online),

https://publications.jrc.ec.europa.eu/repository/handle/JRC107465,

10.1049/iet-gtd.2018.5580 (online),

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