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Smart city article details
| Title | Potential Of Load Shifting In A Parking Garage With Electric Vehicle Chargers, Local Energy Production And Storage |
|---|---|
| ID_Doc | 42487 |
| Authors | Castellucci V.; Wallberg A.; Flygare C. |
| Year | 2022 |
| Published | World Electric Vehicle Journal, 13, 9 |
| DOI | http://dx.doi.org/10.3390/wevj13090166 |
| Abstract | The electrification of the transport sector is of crucial importance for a successful transition to a fossil-free society. However, the electricity grid constitutes a bottleneck. This article provides a case study based on a real-world parking garage with a smart grid infrastructure, called Dansmästaren. The analysis shows how renewable energy sources, energy storage technologies, and smart charging of electric vehicles can smooth out the load curve of the parking garage and relieve the electric grid during peak hours. Dansmästaren is located in Uppsala, Sweden, and equipped with 60 charging points for electric vehicles, a PV system, and a battery storage system. The study utilizes an energy flow model to show the potential of a realistically dimensioned smart energy system, that can benefit the parking facility in itself and the local distribution grid in a city, Uppsala, with grid capacity challenges. The results suggest that the parking garage demand on the local grid can be significantly lowered by smarter control of its relatively small battery energy storage. Moreover, further smart control strategies can decrease demand up to 60% during high load hours while still guaranteeing fully charged vehicles at departure in near future scenarios. The study also shows that peak shaving strategies can lower the maximum peaks by up to 79%. A better understanding of the potential of public infrastructures for electric vehicle charging helps to increase knowledge on how they can contribute to more sustainable cities and a fossil-free society. © 2022 by the authors. |
| Author Keywords | Dansmästaren; electric vehicles; load shift; mobility house; peak shaving; renewable energy; smart charge; smart cities |
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