Aggregated Impact of EV Charger Type and EV Penetration level in Improving PV Integration in Distribution Grids

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Mass deployment of Electric Vehicles (EVs) can improve the loading characteristics of low voltage distribution grids with high Photovoltaic (PV) penetration. This impact is investigated in the paper from two point of views, namely, the EV charger type and the EV penetration level. Based on the measured usage data for home, public and semi-public EV chargers, it is highlighted that the ratio of the number of these charger types can influence the grid level impact of PV penetration. Using Monte-Carlo method with aggregated power balance model, it is suggested that the increase in percentage of public and semi-public chargers relative to home chargers can improve self-consumption of PV energy in the grid, thereby reducing the power mismatch due to excess local generation. A PowerFactory based simulation with real measurement based data on real German distribution grids reveals that the grids have no risk of congestion at all with 80% EV penetration, allowing for a possibility even higher EV penetration in the future. Furthermore, with the considered uncontrolled EV charging, it is observed that the grids experience reverse power flows due to excess PV generation. This excess PV energy reduces by about 5% with high EV penetration, indicating a future potential for targeted smart charging application for improving these benchmarked results.
Original languageEnglish
Title of host publication2021 IEEE Transportation Electrification Conference & Expo (ITEC)
Subtitle of host publicationProceedings
Number of pages6
ISBN (Electronic)978-1-7281-7583-6
ISBN (Print)978-1-7281-7584-3
Publication statusPublished - 2021
Event2021 IEEE Transportation Electrification Conference & Expo (ITEC) - Virtual at Chicago, United States
Duration: 21 Jun 202125 Jun 2021


Conference2021 IEEE Transportation Electrification Conference & Expo (ITEC)
Country/TerritoryUnited States
CityVirtual at Chicago

Bibliographical note

Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project

Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.


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