Sustainable mobility — Modelling a cost-efficient supply of renewables for EVs
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In future electric vehicles are dependent on renewable energy sources to provide the electricity required for sustainable mobility. This paper examines the results of a cost-efficient renewable energy supply simulation for fast charge and battery switch stations of electric vehicles. Typical feed-in characteristics of photovoltaics, offshore and onshore wind power in Germany are used hereby. Overall system costs are minimised by optimising the composition of the renewable power infrastructure dependent upon the energy demand of the stations. Battery switch stations have an advantage over fast charge stations due to their stationary storage option of several batteries being held in reserve. Thus battery switch stations are able to buffer times of meagre renewable feed-in and so reduce the costs for necessary overcapacities of renewable energies. The economic optimisation of renewable power supply for charging EV batteries is vital for providing sustainable and affordable mobility.
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