Abstract:

Due to the high peak loads of electric vehicles, the increase in electromobility is expected to increase grid usage. In particular, due to high local penetration in individual low-voltage grids, the probability of local grid congestion also increases. As a measure to postpone or preventing grid congestion, load management is being investigated. Concepts originate from load activation times of power-to-heat systems (P2H), which can only be operated within specific periods. By spreading these activation times over time, simultaneity factor and grid utilization are reduced. In contrast to P2H, however, e-mobility customers require availability of their vehicles at all times. Therefore, the charging behavior is analyzed based on the statistical driving behavior in Germany and from this, requirements for the load management concepts are derived.