A method predicts a grid state of an electrical power distribution grid, in which a central computer arrangement is used to receive measured values from measuring devices. A state estimation device is used to predict a future grid state, wherein the predic...

A method for producing a lithium-containing electrode for a lithium-ion containing accumulator is provided, including:—producing a metal foil;—coating a surface of the metal foil with a graphite layer;—introducing the metal foil into an electrochemic...

A method and a device for power supply switching in an electric power system include providing an electric power system having two power supplies, each connected to a bus through an incoming line, using the power supply currently supplying power as the mai...

A bi-directional power converter, a control unit, a charging device and a method for transferring power between an EV and a power grid are provided. The bi-directional power converter includes an isolated DC-DC converter having a first stage converting a D...

An electrical energy transmission device for the transmission of electrical energy has a fluid-holding chamber. An electrically insulating fluid is contained in the fluid-holding chamber. The electrically insulating fluid is, at least in part, air-drawn fr...