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Impact of Electric Bus Charging on Distribution Substation and Local Grid in Warsaw

Institute of Electrical Power Engineering, Warsaw University of Technology, str. Koszykowa 75, 00-662 Warsaw, Poland
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Energies 2020, 13(5), 1210; https://doi.org/10.3390/en13051210
Received: 12 February 2020 / Revised: 3 March 2020 / Accepted: 5 March 2020 / Published: 5 March 2020
(This article belongs to the Special Issue Impact of Electric Vehicles on the Power System)
Electric buses are increasingly appearing on the streets of cities around the world. Thus, it is necessary to consider the impact of their charging on the distribution system operation, especially near the charging point. This article presents the problems that may arise while new charging points are connected. Research was carried out on the existing charging point at Spartańska Street in Warsaw, which allowed to obtain daily bus charging profiles and voltage curves. The authors then proposed an exemplary model of a bus terminus with the designed infrastructure for charging buses, based on the assumptions of the public transport operator in Warsaw. The comparison of these two solutions was made and based on it, a methodology of calculating daily demand for any terminus was prepared. In addition, no problems with the power quality were found during the research. This allows us to state that the introduction of electric buses into the fleet of passenger carriers will have a minor impact on the operation of the power system in Warsaw. View Full-Text
Keywords: electric buses; distribution grid; public transport; electromobility; power system; smart city electric buses; distribution grid; public transport; electromobility; power system; smart city
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MDPI and ACS Style

Zagrajek, K.; Paska, J.; Kłos, M.; Pawlak, K.; Marchel, P.; Bartecka, M.; Michalski, Ł.; Terlikowski, P. Impact of Electric Bus Charging on Distribution Substation and Local Grid in Warsaw. Energies 2020, 13, 1210.

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