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Potential and limitation of controlled charging of electric vehicle for PV self-consumption maximisation in private households

: Mittelsdorf, M.; Groß, A.; Schumann, J.; Kohrs, R.

European Association for Electromobility -AVERE-, Brussels:
30th International Electric Vehicle Symposium, EVS 2017 : Stuttgart, Germany, 9 - 11 October 2017
Red Hook, NY: Curran, 2018
ISBN: 978-1-5108-6370-5
pp.2858-2867 (Vol.5)
International Electric Vehicle Symposium & Exhibition (EVS) <30, 2017, Stuttgart>
Conference Paper
Fraunhofer ISE ()

This work presents a smart charging infrastructure for private households with the objective of maximising the self-consumption by controlled charging of the battery electric vehicles. Core of the system is a forecast based optimisation algorithm for calculating charging schedules. The whole system was successfully tested in a two-year field test under realistic conditions. The algorithm led to excellent results and self-consumption could be increased by controlled charging compared to uncontrolled charging. Nonetheless, limitations of controlled charging were identified. This work gives a detailed insight into the field test, discusses the results and points out solutions for the identified limitations.