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Analysis of voltage control using V2G technology to support low voltage distribution networks
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Electrical Engineering, Electricity.
Univ Fed Juiz de Fora, Elect Engn Program, Multiplatform Simulat Lab, Juiz De Fora, MG, Brazil..
Univ Fed Juiz de Fora, Elect Engn Program, Multiplatform Simulat Lab, Juiz De Fora, MG, Brazil..ORCID iD: 0000-0002-4076-8503
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Electrical Engineering, Electricity.ORCID iD: 0000-0002-1787-5669
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2024 (English)In: IET Generation, Transmission & Distribution, ISSN 1751-8687, E-ISSN 1751-8695, Vol. 18, no 6, p. 1133-1157Article in journal (Refereed) Published
Abstract [en]

The decarbonization of the power generation and transport sector encourage the analysis of connection of distributed energy resources (DER), such as electric vehicles (EVs), to the electrical system, as well as the evaluation of their impact on smart cities. A better understanding of the negative impacts on the power systems will lead to propose mitigation measures and eventually revolutionize the way distributed generation works. This paper aims at modelling and evaluating the impact of EVs on a real distribution network. The energy system chosen operates at 60 Hz, 34.5 kV (medium voltage) and 0.208 kV (low voltage) and it is simulated using PSCAD/EMTDC. To reproduce realistic user consumption profiles, dynamic load profiles based on EV owners behaviour have been simulated. The vehicle-to-grid (V2G) technology is modelled to mitigate the impacts of high penetration of EVs by supporting the network from undervoltage. The results show the importance of active management in modern power systems, especially considering the increase in DER penetration expected for the coming years. This work shows the benefits of implementing V2G technology while highlighting the challenges involved in a real case. This paper aims at modelling and evaluating the impact of EVs on a real distribution network. The V2G technology is modelled to mitigate the impacts of high penetration of EVs by supporting the network from undervoltage. This work shows the benefits of implementing V2G technology while highlighting the challenges involved in a real case.image

Place, publisher, year, edition, pages
John Wiley & Sons, 2024. Vol. 18, no 6, p. 1133-1157
Keywords [en]
active networks, electric vehicles, energy resources, vehicle-to-grid, voltage control
National Category
Energy Systems Other Electrical Engineering, Electronic Engineering, Information Engineering Energy Engineering
Identifiers
URN: urn:nbn:se:uu:diva-528481DOI: 10.1049/gtd2.13066ISI: 001112709700001OAI: oai:DiVA.org:uu-528481DiVA, id: diva2:1860242
Available from: 2024-05-23 Created: 2024-05-23 Last updated: 2024-09-12Bibliographically approved
In thesis
1. From Parking to Power: Integrating an Energy Management System in a Multifunctional Building to Enable E-mobility
Open this publication in new window or tab >>From Parking to Power: Integrating an Energy Management System in a Multifunctional Building to Enable E-mobility
2024 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

E-mobility is pivotal in enabling sustainable and technologically advanced urban environments. In line with this, Sweden's electric vehicle fleet is rapidly expanding, thereby increasing the power necessary for charging electric vehicles. If not properly managed and controlled, this increase in power can potentially threaten grid stability and exacerbate grid congestion. 

The primary aim of this thesis was to assess and investigate the potential of a next-generation parking facility at a multifunctional building to be an active part of the city’s distribution grid. The research was guided by the question of to what capacity smart control of a parking facility with a technical system could assist and alter the load demand to generate benefits for both the building and the city’s distribution grid.

This was investigated at Dansmästaren, the first multifunctional building in Uppsala, Sweden. An experimental setup with an electric vehicle charging station and an energy management system was developed at the Ångström laboratory to test and verify control strategies before their implementation at the multifunctional building's parking facility. Thereafter, a second energy management system was developed and implemented at Dansmästaren with the purpose of monitoring and controlling the electric vehicle charging at the parking facility.

The findings of the included papers were divided into two categories. The charging of the electric vehicles can either be assisted by the parking facility's technical system or altered by including the electric vehicle charging in the control for the technical system. Both categories show that a parking facility with a technical system in a multifunctional building can help reduce local grid demand while also providing local benefits for the building.

While the contribution of a single multifunctional building may appear negligible from a grid perspective, the cumulative effect becomes substantial when applied across multiple buildings. Thus, the parking facility at Dansmästaren has the potential to play an active role in the city’s distribution grid through smart charging and the utilization of an energy management system.

Place, publisher, year, edition, pages
Uppsala: Acta Universitatis Upsaliensis, 2024. p. 82
Series
Digital Comprehensive Summaries of Uppsala Dissertations from the Faculty of Science and Technology, ISSN 1651-6214 ; 2449
Keywords
Peak shaving, Negative correlation, Mobility house, Genetic algorithm, Dansmästaren, Multifunctional building, E-mobility
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Engineering Science with specialization in Science of Electricity
Identifiers
urn:nbn:se:uu:diva-538089 (URN)978-91-513-2229-2 (ISBN)
Public defence
2024-11-01, 101121, Sonja Lyttkens, Ångström, Lägerhyddsvägen 1, Uppsala, 09:15 (English)
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Supervisors
Available from: 2024-10-08 Created: 2024-09-12 Last updated: 2024-10-08

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Martins Mattos, MarinaWallberg, AlexanderCastellucci, ValeriaGonçalves de Oliveira, Janaína

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