Application of Traction Supply System for Charging Electric Cars - Publication - MOST Wiedzy


Application of Traction Supply System for Charging Electric Cars


The development of electromobility involves the development of electric cars charging infrastructure. The increase of the number of chargers poses new demands for the AC power grid, especially in regard to its capacity of delivering high peak power. As an alternative for the public AC power grid, urban electrified transportation systems (trams, trolleybuses, and metro) can be used for supplying electric cars chargers. The article discusses four options of integrating electric cars chargers with a traction power supply system. The option of connecting the charger to the traction overhead supply line has been selected due to the spatial availability of the power source and possibility to use regenerative braking energy for charging. A set of criteria has been developed for analysing the capability of the traction supply system to feed electric cars chargers. An exemplary feasibility analysis was carried out for trolleybus traction supply system in Gdynia, Poland. The impact of installing the charging station on specific traction supply parameters has been predicted using present-state recordings of electrical parameters and assumed charging station power. The study shows that every supply section of the considered trolleybus traction system has the capability of installing a fast-charging station, which provides opportunities of expanding the charging stations network in Gdynia.


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artykuły w czasopismach
Published in:
ENERGIES no. 15,
ISSN: 1996-1073
Publication year:
Bibliographic description:
Bartłomiejczyk M., Jarzębowicz L., Hrbáč R.: Application of Traction Supply System for Charging Electric Cars// ENERGIES -Vol. 15,iss. 1448 (2022), s.1448-
Digital Object Identifier (open in new tab) 10.3390/en15041448
Sources of funding:
Verified by:
Gdańsk University of Technology

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