Vehicle electrical network having at least two energy storage devices, method for operating a vehicle electrical network, and means for the implementation thereof

摘要

A vehicle electrical network has: an electric machine configured to operate at least in generator mode; a first energy storage device; a second energy storage device; and a switching arrangement by which the switching states a) through c) described below can be set alternatively to one another: a) either only the first energy storage device or only the second energy storage device is connected to the electric machine; b) the first energy storage device and the second energy storage device are connected in parallel to the electric machine; and c) the first energy storage device and the second energy storage device are connected in series to the electric machine.