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Investigation of the impact of large-scale integration of electric vehicles for a Swedish distribution network
Omexom, Karlstad, Sweden.
Karlstads El- och Stadsnät, Sweden.
School of Technological and Pedagogical Education (ASPETE), Athens, Greece.
Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Physics (from 2013).ORCID iD: 0000-0001-9750-9863
2019 (English)In: Energies, ISSN 1996-1073, E-ISSN 1996-1073, Vol. 12, no 24, article id 4717Article in journal (Refereed) Published
Abstract [en]

Social considerations for a sustainable future lead to market demands for electromobility. Hence, electrical power distribution operators are concerned about the real ongoing problem of the electrification of the transport sector. In this regard, the paper aims to investigate the large-scale integration of electric vehicles in a Swedish distribution network. To this end, the integration pattern is taken into consideration as appears in the literature for other countries and applies to the Swedish culture. Moreover, different charging power levels including smart charging techniques are examined for several percentages of electric vehicles penetration. Industrial simulation tools proven for their accuracy are used for the study. The results indicate that the grid can manage about 50% electric vehicles penetration at its current capacity. This percentage decreases when higher charging power levels apply, while the transformers appear overloaded in many cases. The investigation of alternatives to increase the grid’s capabilities reveal that smart techniques are comparable to the conventional re-dimension of the grid. At present, the increased integration of electric vehicles is manageable by implementing a combination of smart gird and upgrade investments in comparison to technically expensive alternatives based on grid digitalization and algorithms that need to be further confirmed for their reliability for power sharing and energy management.

Place, publisher, year, edition, pages
MDPI, 2019. Vol. 12, no 24, article id 4717
Keywords [en]
Cables, Distribution networks, Electric vehicles, Electrification, Smart grids, Transformers, Voltage drops, Electric power distribution, Electric power transmission networks, Electric transformers, Electric utilities, Investments, LSI circuits, Current capacity, Electrical power, Industrial simulation, Integration patterns, Smart grid, Transport sectors, Voltage drop, Smart power grids
National Category
Energy Systems
Research subject
Energy Technology
Identifiers
URN: urn:nbn:se:kau:diva-76620DOI: 10.3390/en12244717ISI: 000506918400110Scopus ID: 2-s2.0-85076711145OAI: oai:DiVA.org:kau-76620DiVA, id: diva2:1389985
Available from: 2020-01-30 Created: 2020-01-30 Last updated: 2020-02-20Bibliographically approved

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Theocharis, Andreas

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