A novel model of electric vehicle fleet aggregate battery for energy planning studies (CROSBI ID 222994)
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Škugor, Branimir ; Deur, Joško
engleski
A novel model of electric vehicle fleet aggregate battery for energy planning studies
The paper proposes an aggregate battery modelling approach for an electric vehicle (EV) fleet, which is aimed for energy planning studies of EV- grid integration. The proposed model improves on the existing, basic aggregate battery modelling approach by accounting for a variable structure of the aggregate battery systems, variable state of charge (SoC) constraints and specific input time-distributions such as those of average SoC at destination and number of arriving and departing vehicles. In the particular case-study presented, the input distributions are reconstructed from a large set of delivery vehicle fleet driving missions, including simulation of individual vehicle behaviours over the full set of driving cycles. The charging power input is obtained by using a dynamic programming-based optimisation algorithm aimed at finding a global optimum in terms of minimised electricity cost. For the purpose of proposed model validation and its comparison with the basic model, a distributed fleet vehicle model is developed, where a specific algorithm is proposed for distributing the optimised charging power input to charging inputs of individual vehicles.
Electric vehicles; Fleet; Aggregate battery; Modelling; Optimisation; Energy planning
S.I.: Sustainable Development of Energy, Water and Environment Systems.
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