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

Krzysztof Zagrajek, Józef Paska, Mariusz Kłos, Karol Pawlak, Piotr Marchel, Magdalena Bartecka, Łukasz Michalski and Paweł Terlikowski
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Krzysztof Zagrajek: Institute of Electrical Power Engineering, Warsaw University of Technology, str. Koszykowa 75, 00-662 Warsaw, Poland
Józef Paska: Institute of Electrical Power Engineering, Warsaw University of Technology, str. Koszykowa 75, 00-662 Warsaw, Poland
Mariusz Kłos: Institute of Electrical Power Engineering, Warsaw University of Technology, str. Koszykowa 75, 00-662 Warsaw, Poland
Karol Pawlak: Institute of Electrical Power Engineering, Warsaw University of Technology, str. Koszykowa 75, 00-662 Warsaw, Poland
Piotr Marchel: Institute of Electrical Power Engineering, Warsaw University of Technology, str. Koszykowa 75, 00-662 Warsaw, Poland
Magdalena Bartecka: Institute of Electrical Power Engineering, Warsaw University of Technology, str. Koszykowa 75, 00-662 Warsaw, Poland
Łukasz Michalski: Institute of Electrical Power Engineering, Warsaw University of Technology, str. Koszykowa 75, 00-662 Warsaw, Poland
Paweł Terlikowski: Institute of Electrical Power Engineering, Warsaw University of Technology, str. Koszykowa 75, 00-662 Warsaw, Poland

Energies, 2020, vol. 13, issue 5, 1-13

Abstract: 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 Sparta?ska 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.

Keywords: electric buses; distribution grid; public transport; electromobility; power system; smart city (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (14)

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