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Enabling Seamless Integration of EV Charging Infrastructure with Weak Electric Grids


Publication Year: 2019

Author(s): Mohanpurkar M, Krishan R, Panwar M, Vyas S, Slezak L, Rodrigues N, Datta A, Meintz A, Hovsapian R

Abstract:

Widespread adoption of Electric Vehicles (EVs) for light, medium, and heavy-duty applications has gained significant interest. Based on ownership and user preferences, light duty and local delivery medium-duty EVs are typically connected to grid distribution networks whereas larger medium duty and heavy-duty EVs are typically connected to distribution or even sub-transmission networks. Challenges with at-scale EVs and charging infrastructure supporting them include interoperability, distribution network upgrades, surge in demand charges, power quality issues, voltage stability, etc. Based on real-world data, steady-state and dynamic assessments of light-duty EV charging with a focus on DC Fast Charging (DCFC) for weak distribution grids is presented. Three main areas of contributions in this paper include - steady state and dynamic power quality measurements and assessments using real world data, transient assessments of light duty EV integration with weak distribution networks (IEEE 13 node feeder system) under grid-connected and microgrid modes, and formulation of an intelligent charging decision algorithm to enable an impact-minimal charging.

Source of Publication: 2019 IEEE Transportation Electrification Conference (ITEC-India), Bengaluru, India, 2019,

Vol/Issue: 1-6pp.

DOI No.: DOI: 10.1109/ITEC-India48457.2019.ITECINDIA2019-113

Country: India

Publisher/Organisation: IEEE

URL:
https://ieeexplore.ieee.org/document/9080825

Theme: Charging Infrastructure | Subtheme: Commercial and Institutional charging

Tags: Fleet operators

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