Abstract: The exemplary illustrations generally include a method for controlling and regulating an internal combustion engine-generator system 1000 with a plurality of internal combustion engine-generator units 400 generating electric power which can be connected to a distribution grid and load consumers 200 consuming electric power, with a unit 400 comprising an internal combustion engine 401, 402, 404-408 with variable engine speeds and a generator 421-428, characterized in the steps: determining a given operating state Z* of the internal combustion engine 401, 402, 404-408 of at least one internal combustion engine-generator unit 400; deducting a range of operating states ZB* describing an electric load override Ladm depending on the given operating state Z* for the internal combustion engine of at least one internal combustion engine-generator unit 400, with the determination of the given operating state Z* and the deduction of the range of operating range ZB* occurring based on the calculation model 504 for the in

Abstract: The exemplary illustrations generally include a method for controlling and regulating an internal combustion engine-generator system 1000 with a plurality of internal combustion engine-generator units 400 generating electric power which can be connected to a distribution grid and load consumers 200 consuming electric power, with a unit 400 comprising an internal combustion engine 401, 402, 404-408 with variable engine speeds and a generator 421-428, characterized in the steps: determining a given operating state Z* of the internal combustion engine 401, 402, 404-408 of at least one internal combustion engine-generator unit 400; deducting a range of operating states ZB* describing an electric load override Ladm depending on the given operating state Z* for the internal combustion engine of at least one internal combustion engine-generator unit 400, with the determination of the given operating state Z* and the deduction of the range of operating range ZB* occurring based on the calculation model 504 for the in

Abstract: In a method tor the emergency cooling of a battery or an emergency extinguishing of the battery of a water vehicle including such a battery with a watertight containment, upon determination of an emergency, the battery is flooded by ambient water drawn from around the water vehicle.

Abstract: The invention relates to a fuel cell system (11, 111) comprising an anode chamber (13, 113) and a cathode chamber (14, 114) which are separated from each other by a proton conducting membrane (15, 115). When the fuel cell system is operated, fuel, in particular H2 or a water/methanol mixture, can be fed to the anode chamber and an oxidant, in particular oxygen, can be fed to the cathode chamber. In standby mode, the cathode chamber (14, 114) does not allow flow through and the oxidant and fuel are present in both the cathode chamber (14, 114) and the anode chamber (13, 113), respectively. The fuel cell system remains at operating temperature in the standby mode. This enables the fuel cell system (11) to be used as a combined interruption-free power supply unit and backup unit.

Abstract: The invention relates to a fuel cell system with high-temperature fuel cells, in which some of the heat of the gases flowing out of the anode and cathode is used to that end. The gases that the flow into the anode and cathode are brought to a temperature that is required for operation of the fuel cells and is still tolerable for the cells, having an anode and/or cathode loop. It is provided that for the anode and/or cathode loop, at least that time-referred quantity of reaction gases that is required for attaining the electrical output of the fuel cells is furnished.