Device for supplying an electric drive for a motor vehicle

The invention relates to a device for supplying an electric drive for a motor vehicle with a power network, which is connected to the drive and having a fuel cell unit and at least one energy Save, wherein the fuel cell unit and the energy store are coupled. According to the invention it is provided that the power network has a first and a second power grid, the first power network comprises a first inverter disposed between the fuel cell unit and the drive, the second power network has a second converter arranged between the energy store and the drive and the first inverter is decoupled from the second inverter.