Importance

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Abstract

Described is a system for charging a battery of an electric drive vehicle at variable charging locations, which battery is designed to provide the energy for the electric drive of the vehicle, comprising a stationary charging station connected to a fixed electricity network, one or more mobile charging devices, which mobile charging device comprises a battery pack; means of connection to the stationary charging station for establishing an electrical connection between the battery pack and the fixed electricity network; driving means to drive the mobile device, such that the mobile device can move from the stationary charging station to a number of charging locations remote from the charging station which charging locations are arranged for positioning the electric drive vehicle, and back; and means for delivering electrical energy from the battery pack to the vehicle battery, the system being designed to deliver electrical energy from the one or more mobile charging devices connected to the stationary charging station back to the electricity network in the event of decreased capacity of the fixed electricity network. It also describes a method for charging a battery of one or more electric drive vehicles at variable charging locations, which battery is intended to provide the energy for the electric drive of the vehicle, which charging locations are arranged for positioning the electric drive vehicle, under application of the system. A mobile charging device and a connection element between a mobile charging device and the vehicle to be charged are also described.

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First Claim