Abstract: A method for operating a motor vehicle is provided, having, as a prime mover, a permanently-excited synchronous machine with windings. The synchronous machine is connected to a vehicle electrical system of the motor vehicle via a converter having a switching arrangement and a capacitor in an intermediate circuit. The switching arrangement can be controlled via a control device connected to the vehicle electrical system. The permanently-excited synchronous machine is operated as a generator while being driven by external means. Energy generated by the synchronous machine and stored in the capacitor for operating the control device and the switching arrangement is provided when a first threshold value for the voltage in the intermediate circuit is exceeded. When a second threshold value for the voltage in the intermediate circuit is exceeded, the switching arrangement is activated for short-circuiting the windings of the synchronous machine.

Abstract: A galvanically connected AC charger is provided having a monitoring and diagnostic system for the AC charging of an electric, fuel cell or hybrid vehicle.

Abstract: An energy supply device to supply electrical energy for at least one terminal device, with a power grid connector for connection of the energy supply device to an alternating current power grid and with a rectifier device for conversion of an alternating current supplied via the power grid connector to a direct current in an intermediate circuit. In this case, a plurality of voltage transformers and a plurality of direct current terminals are provided, wherein the voltage transformers are each electrically connected, on the one hand, at least intermittently, to the intermediate circuit and, on the other hand, at least intermittently, to a direct current terminal of the plurality of direct current terminals.

Abstract: The invention relates to a component of an inductive energy transmission apparatus, wherein the component includes an object recognition apparatus having at least a first and a second electrical inductance, wherein the first electrical inductance is formed by an energy transmission coil of the component, which can be acted upon by a predetermined measurement current, and the component comprises a measurement apparatus, an energy transmission unit and an evaluation apparatus.

Abstract: An energy supply device to supply electrical energy for a motor vehicle, having a power grid connector for connection of the energy supply device to an alternating current power grid, having at least one first connecting device for producing a cabled electrical connection between the power grid connector and the motor vehicle, and having at least one second connecting device for producing a cableless electrical connection between the power grid connector and the motor vehicle. The first connecting device and the second connecting device are connected to the power grid connector via a common rectifier device.

Abstract: An energy supply device to supply electrical energy for at least one terminal device, with a power grid connector for connection of the energy supply device to an alternating current power grid and with a rectifier device for conversion of an alternating current supplied via the power grid connector to a direct current in an intermediate circuit. In this case, a plurality of voltage transformers and a plurality of direct current terminals are provided, wherein the voltage transformers are each electrically connected, on the one hand, at least intermittently, to the intermediate circuit and, on the other hand, at least intermittently, to a direct current terminal of the plurality of direct current terminals.

Abstract: A method for the generation of drive signals for a multilevel generator comprising a number of cells that may be switched independently of each other is provided. Each of the cells is provided to output a cell voltage based on a respective drive signal. The drive signals of the cells overall output a multilevel quantized reference signal. The method includes splitting the multilevel quantized reference signal such that at least two drive signals of different cells contribute to a quantization level of the quantized reference signal in a predetermined period.