Study on EV Charging Peak Reduction with V2G Utilizing Idle Charging Stations: The Jeju Island Case

Hye-Seung Han, Eunsung Oh and Sung-Yong Son
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Hye-Seung Han: Department of Electrical Engineering, Gachon University, Gyeonggi-do 13120, Korea
Eunsung Oh: Department of Electrical and Electronic Engineering, Hanseo University, Chungcheongnam-do 31962, Korea
Sung-Yong Son: Department of Electrical Engineering, Gachon University, Gyeonggi-do 13120, Korea

Energies, 2018, vol. 11, issue 7, 1-13

Abstract: Electric vehicles (EVs), one of the biggest innovations in the automobile industry, are considered as a demand source as well as a supply source for power grids. Studies have been conducted on the effect of EV charging and utilization of EVs to control grid peak or to solve the intermittency problem of renewable generators. However, most of these studies focus on only one aspect of EVs. In this work, we demonstrate that the increased demand resulting from EV charging can be alleviated by utilizing idle EV charging stations as a vehicle-to-grid (V2G) service. The work is performed based on data from Jeju Island, Korea. The EV demand pattern in 2030 is modeled and forecasted using EV charging patterns from historical data and the EV and charging station deployment plan of Jeju Island’s local government. Then, using a Monte Carlo simulation, charging and V2G scenarios are generated, and the effect of V2G on peak time is analyzed. In addition, a sensitivity analysis is performed for EV and charging station deployment. The results show that the EV charging demand increase can be resolved within the EV ecosystem.

Keywords: EV; V2G; idle station; queueing; simulation; peak reduction (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2018
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (5)

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