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Integration of Electric Vehicles into the Electric Power System Based on Results of Road Traffic Census

1
Energy System Integration Social Cooperation Program, Institute of Industrial Science, University of Tokyo, Komaba 4-6-1, Meguro-ku, Tokyo 153-8505, Japan
2
JPBS Business Service, Fukagawa 2-2-18, Koto-ku, Tokyo 135-8451, Japan
*
Author to whom correspondence should be addressed.
Energies 2019, 12(10), 1849; https://doi.org/10.3390/en12101849
Received: 2 April 2019 / Revised: 6 May 2019 / Accepted: 10 May 2019 / Published: 15 May 2019
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Abstract

We propose a model for the integration of electric vehicles (EVs) into the grid power system in Japan. The potential of the switchover from conventional vehicles to EVs and the incurred charging loads for the EV fleet were evaluated based on the results of a Japanese road traffic census. Furthermore, an EV battery operation model was incorporated into the production cost analysis model, which is capable of determining the optimal electricity supply and demand, considering the existing interconnector power flows. The potential economic and environmental contributions of EV charge and discharge controls, with the ultimate goal of realizing the introduction of a massive renewable energy source in the future, were also evaluated. We found that EVs can greatly contribute to expanding the use of renewable energy and reducing system cost by charging and discharging not only at the owner’s home but also at his/her workplace. View Full-Text
Keywords: electric vehicle integration; production cost model; demand response; road traffic census survey electric vehicle integration; production cost model; demand response; road traffic census survey
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Iwafune, Y.; Ogimoto, K.; Azuma, H. Integration of Electric Vehicles into the Electric Power System Based on Results of Road Traffic Census. Energies 2019, 12, 1849.

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