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Intermediate Energy Storage for Electric Vehicle (EV) Fast Charging
Future acceptance of battery electric vehicles (BEV) will also be tied to the possibility of fast charging. Therefore development of high power charging stations is underway; the first 350 kW stations have been inaugurated this year.
Generally, a number of charging stations will be installed in the same location. Thus, while fast charging is a benefit for the customer, it is a burden for the electric grid, as vehicle charging will not be distributed evenly over the day. Also, charging will not concur with the availability of fluctuating (excess) renewable electricity. Therefore peak shaving and temporary storage can improve the use of excess electricity and reduce the burden on the grid.
Keywords: energy storage, electrical vehicle, peak shaving
Local electrochemical energy storage provides means for temporary storage. In this project the feasibility, ability to integrate fluctuating renewable power, efficiency and an estimate of cost of battery, hydrogen and hybrid electrochemical storage shall be evaluated.
After a theoretical survey, the sink and source profiles and the properties of the branches
between source and sink will be defined. These definitions will contribute to the boundary
conditions on which the evaluation will be based on. Different scenarios (# of charging
stations, properties of the branches, sizing and presence of the storage chain) will be
modeled and thus the applicability of the storage technologies for this application will be
evaluated and compared.
This project will be hosted at the Paul Scherrer Institut in cooperation with the Automatic Control Laboratory, ETHZ
Local electrochemical energy storage provides means for temporary storage. In this project the feasibility, ability to integrate fluctuating renewable power, efficiency and an estimate of cost of battery, hydrogen and hybrid electrochemical storage shall be evaluated.
After a theoretical survey, the sink and source profiles and the properties of the branches between source and sink will be defined. These definitions will contribute to the boundary conditions on which the evaluation will be based on. Different scenarios (# of charging stations, properties of the branches, sizing and presence of the storage chain) will be modeled and thus the applicability of the storage technologies for this application will be evaluated and compared.
This project will be hosted at the Paul Scherrer Institut in cooperation with the Automatic Control Laboratory, ETHZ
Exploit peak shaving and temporary storage to improve the use of excess electricity and reduce the burden on the grid for electrical vehicle charging.
Exploit peak shaving and temporary storage to improve the use of excess electricity and reduce the burden on the grid for electrical vehicle charging.