Stochastic Modeling Method of Plug-in Electric Vehicle Charging Demand for Korean Transmission System Planning
Abstract
:1. Introduction
- A stochastic method which models the PEV charging demand as electric loads over the substations in the transmission system planning process. The method considers the uncertainty and variations in the distribution and charging profiles of the PEVs.
- The distribution of PEVs is estimated by the substation based on the number of electricity customers, the PEV expansion target, and existing statistics. An individual PEV charging profile is modeled using the statistics of existing internal combustion engine (ICE) vehicles driving.
- By aggregating the PEV charging profiles per 154 kV substation, the charging demand of PEVs can be determined for consideration as a part of the total electricity demand in the planning process of transmission systems.
2. Penetration Trend and Charging Demand of EVs in Korea
3. Stochastic Modeling for PEV Charging Demand
3.1. Distribution of PEVs
3.2. Charging Demand of PEVs
3.3. Charging Profile of PEV
3.4. Charging Demand of PEVs per Substation
4. Case Study
4.1. Distribution of PEVs in Korean Power System
4.2. Modeling Results of PEV Charging Demand
4.3. Characteristics Analysis of PEV Charging Demand
4.4. Discussion
5. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
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2017 | 2022 | 2026 | 2030 | 2031 | |
---|---|---|---|---|---|
Cumulative number of EVs (Thousand) | 46 | 334 | 629 | 1000 | 1108 |
Annual electricity consumption (TWh) | 0.1 | 1.0 | 1.8 | 2.8 | 3.2 |
Annual peak demand (summer, GW) | 0.02 | 0.14 | 0.23 | 0.38 | 0.42 |
Annual peak demand (winter, GW) | 0.02 | 0.11 | 0.18 | 0.29 | 0.32 |
Type of Charge | Input Voltage (V) | Output Voltage/Current (V/I) | Charging Power (kW) |
---|---|---|---|
Normal | 220 ac/14 | 3 | |
Normal | 220 ac/32 | 7 | |
Fast | 450 dc/110 | 50 |
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Share and Cite
Moon, J.H.; Gwon, H.N.; Jo, G.R.; Choi, W.Y.; Kook, K.S. Stochastic Modeling Method of Plug-in Electric Vehicle Charging Demand for Korean Transmission System Planning. Energies 2020, 13, 4404. https://doi.org/10.3390/en13174404
Moon JH, Gwon HN, Jo GR, Choi WY, Kook KS. Stochastic Modeling Method of Plug-in Electric Vehicle Charging Demand for Korean Transmission System Planning. Energies. 2020; 13(17):4404. https://doi.org/10.3390/en13174404
Chicago/Turabian StyleMoon, Jong Hui, Han Na Gwon, Gi Ryong Jo, Woo Yeong Choi, and Kyung Soo Kook. 2020. "Stochastic Modeling Method of Plug-in Electric Vehicle Charging Demand for Korean Transmission System Planning" Energies 13, no. 17: 4404. https://doi.org/10.3390/en13174404
APA StyleMoon, J. H., Gwon, H. N., Jo, G. R., Choi, W. Y., & Kook, K. S. (2020). Stochastic Modeling Method of Plug-in Electric Vehicle Charging Demand for Korean Transmission System Planning. Energies, 13(17), 4404. https://doi.org/10.3390/en13174404