Cited by 14Electric Vehicles and InfrastructureSmart Grid Energy ManagementOptimal Power Flow Distribution

Hierarchical co-optimization of EV scheduling considering customer and system in distribution networks

Open access
Cha, Junsang, Han, Changhee, Song, Sungyoon, Kang, Sungwoo, Lee, Dongwon, Chang, Minhyeok, Jang, Gilsoo·2024·Sustainable Energy, Grids and Networks

Abstract

The global surge in the adoption of electric vehicles (EV) has affected distribution networks, with uncoordinated charging increasing peak load and loss. EV scheduling has the potential to become a business that utilizes vehicle-to-grid (V2G) technology to mitigate system impacts while providing financial incentives to customers. Efficient EV scheduling is a multi-objective optimization problem that simultaneously considers network and customer perspectives for co-optimization. This study introduces a hierarchical EV charging management platform (EVMP) with day-ahead and real-time stages that satisfy customer preferences while ensuring efficient system operation. In this process, in order to solve the computational issues of the optimal power flow (OPF) problem, including integer variables, the computational burden was alleviated by removing integer variables from the OPF problem of the day-ahead stage, and EV dynamics were effectively handled using the rolling-horizon framework in the real-time stage. This study focuses on the relationships between the objective functions at each stage and utilizes the augmented ɛ-constraint method (AUGMECON) to obtain a Pareto front that assists in stakeholder decision making. The Pareto front is constructed by considering stakeholders from both two- and three-way perspectives, allowing the system operator to select a solution from the Pareto front for decision making.

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Crossref · 10.1016/j.segan.2024.101361

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Authors
Cha, J., Han, C., Song, S., Kang, S., Lee, D., Chang, M., & Jang, G.
Affiliations
  • Korea University (KR)
  • Gyeongsang National University (KR)
  • Korea Electrotechnology Research Institute (KR)
Corresponding author
Jang, Gilsoo
Venue
Sustainable Energy, Grids and Networks
Publisher
Elsevier BV
Published
2024-06
Volume
38
Pages
101361
ISSN
2352-4677 (ISSN-L)
OpenAlex
W4393181168
Cited by
14
References
34
Citations by year
2026: 3 · 2025: 7 · 2024: 4
FWCI
1.45
Type
journal article
Language
en
Open access
Locations
Sustainable Energy Grids and Networks (publishedVersion, cc-by-nc)
Funders
  • National Research Foundation of Korea
  • Nuclear Safety and Security Commission
Topics
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Electric Vehicles and Infrastructure
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Smart Grid Energy Management
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Optimal Power Flow Distribution
Keywords
electric vehicle scheduling, EV charging management, distribution networks, vehicle-to-grid, hierarchical optimization, rolling horizon, augmented epsilon-constraint method, Pareto front, multi-objective optimization, optimal power flow, consumer preferences, peak shaving, network loss reduction

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