Electric Vehicle Charging Management in Smart Energy Communities to Increase Renewable Energy Hosting Capacity

Hyunwoo Song, Yeongsang Lee, Gab-Su Seo, Dongjun Won

Research output: Contribution to conferencePaper

2 Scopus Citations

Abstract

Abnormal climates due to global warming have emerged as a big concern in the global community. To mitigate climate change and achieve sustainability, distributed energy resources (DERs), including solar and wind, have been recently deployed in power systems. As the penetration level of DERs has increased, however, it caused a multitude of issues in the power systems, such as voltage fluctuation in the distribution network limiting renewable hosting capacity. On the other hand, the electric vehicle (EV) industry is rapidly growing to facilitate the transition to a carbon-neutral community, illuminating the potential of EVs as a flexible grid asset to mitigate some of the issues and improve grid operation, if properly exploited. To explore the potential of EVs, this paper proposes an EV scheduling strategy. By using an optimal EV charging scheduling proposed, distribution system operators (DSOs) can minimize their operating costs and stably operate the system with a high level of DERs. To validate the method, a modified IEEE 33-bus system with DERs is developed. The case study shows the proposed scheduling strategizes EV charging to reduce the cost of PV curtailment. In the study, the method outperforms the renewable-only case with curtailment by 4.97% in DSO cost. It also demonstrates its potential to increase the renewable hosting capacity by harmonizing EV charging with renewables.
Original languageAmerican English
Number of pages6
DOIs
StatePublished - 2023
Event2023 11th International Conference on Power Electronics and ECCE Asia (ICPE 2023 - ECCE Asia) - Jeju Island, Korea
Duration: 22 May 202325 May 2023

Conference

Conference2023 11th International Conference on Power Electronics and ECCE Asia (ICPE 2023 - ECCE Asia)
CityJeju Island, Korea
Period22/05/2325/05/23

NREL Publication Number

  • NREL/CP-5D00-87819

Keywords

  • electric vehicles
  • EV charging strategy
  • renewable hosting capacity
  • smart energy community

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