[논문]Revenue Maximizing Scheduling for a Fast Electric Vehicle Charging Station with Solar PV and ESS

Leon, Nishimwe H.; Yoon, Sung-Guk

doi:10.18770/kepco.2020.06.03.315

Revenue Maximizing Scheduling for a Fast Electric Vehicle Charging Station with Solar PV and ESS 원문보기

KEPCO Journal on electric power and energy, v.6 no.3, 2020년, pp.315 - 319

Leon, Nishimwe H. (Department of Electrical Engineering, Soongsil University) , Yoon, Sung-Guk (Department of Electrical Engineering, Soongsil University)

Abstract ▼ AI-Helper

The modern transportation and mobility sector is expected to encounter high penetration of Electric Vehicles (EVs) because EVs contribute to reducing the harmful emissions from fossil fuel-powered vehicles. With the prospective growth of EVs, sufficient and convenient facilities for fast charging are crucial toward satisfying the EVs' quick charging demand during their trip. Therefore, the Fast Electric Vehicle Charging Stations (FECS) will be a similar role to gas stations. In this paper, we study a charging scheduling problem for the FECS with solar photovoltaic (PV) and an Energy Storage System (ESS). We formulate an optimization problem that minimizes the operational costs of FECS. There are two cost and one revenue terms that are buying cost from main grid power, ESS degradation cost, and revenue from the charging fee of the EVs. Simulation results show that the proposed scheduling algorithm reduces the daily operational cost by effectively using solar PV and ESS.

주제어

표/그림 (7)

그림 Fig. 1. FECS System Overview.
표 TABLE 1 FECS Simulation Parameters
표 TABLE 2 SDGE Time of Use Pricing Rate in Summer
그림 Fig. 2. Charging scheduling for a FECS with a solar PV (175 kW) and an ESS (300 kWh). EVs charging power demand follows a distribution of vehicle on the commute trip.
그림 Fig. 3. Charging scheduling for a FECS with a solar PV (175 kW) and an ESS (300 kWh). EVs charging power demand follows a distribution of vehicles on the errand trip.
그림 Fig. 4. Sensitivity of PV solar and ESS on the FECS daily operational gain.
표 TABLE 3 Profits for FECS with Only Main Grid (MG), MG and ESS, MG and Solar PV, and MG, solar PV, and ESS

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문제 정의

Sustainable and efficient facilities for fast EV charging are important for the widespread adoption of EVs. In this paper, we studied the operational power scheduling problem for a fast EV charging station (FECS) with solar PV and ESS. The objective of this work is to minimize the total operational cost using solar PV and ESS.
In this paper, we studied the operational power scheduling problem for a fast EV charging station (FECS) with solar PV and ESS. The objective of this work is to minimize the total operational cost using solar PV and ESS. We simulate with two case studies that EV charging demand follows the distributions of vehicles on commute or errand trips.

가설 설정

The main objective of EV charging stations is to maximize their profits while meeting the EVs charging demand as soon as possible. In this paper, we study a problem of an economic grid-connected fast electric vehicle charging station (FECS) that has solar PV and an ESS. To minimize the total daily operation cost of the FECS, it manages the ESS and takes advantage of solar PV.

참고문헌 (16)

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상세보기
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