Abstract: The invention relates to a flywheel unit with a damping device for fastening the flywheel unit and a flywheel energy store. The flywheel unit comprises a rotor, a machine housing enclosing the rotor and with an underside, and a damping device fastened to the underside of the machine housing for fastening the flywheel unit to a suitable foundation, wherein the damping device comprises a lower stand unit for fastening to the foundation, an upper stand unit for fastening to the underside of the machine housing, and a membrane connecting the lower stand unit with the upper stand unit, wherein the upper and lower stand units as well as the membrane are configured in such away, that the membrane can establish a pliable self-supporting connection between the upper and lower stand units.

Abstract: A rotational body, to a rotor and to a flywheel energy storage unit having such rotational bodies is disclosed and a method for the production of a rotational body, having a cylinder jacket at least partially wound using a fiber-reinforced composite. A cylinder axis includes open cylinder base surfaces, whereby the cylinder jacket, with its inside facing the axis of rotation and its outside oriented in the opposite direction, has a length parallel to the axis of rotation of more than twice the outer diameter of the rotational body, and it has a wall thickness that is less than 12.5% of the outer diameter. The fiber-reinforced composite of the cylinder jacket has a layered structure in the radial direction comprising helical layers of fibers which extend along the axis of rotation and whose orientation along the helical fiber angle is less than 35° relative to the axis of rotation.

Abstract: A combined power plant is disclosed for feeding energy into a non-local power network. The combined power plant includes at least one turbine power plant and at least one energy storage installation with one or more energy storage modules, whereby the turbine power plant is connected to the non-local power network in order to feed in power. A monitoring unit monitors the rotational speed of a turbine on the basis of a rotational speed-specific characteristic quantity, at least while the energy is being fed into the non-local power network. The energy storage installation is connected to the non-local power network separately or via the turbine power plant, whereby the monitoring unit is connected to a control unit of the appertaining energy storage installation in order to transmit a characteristic quantity signal based on the rotational speed-specific characteristic quantity to the control unit via a data connection.

Abstract: An energy storage module is provided for reversibly storing electrical energy in the form of mechanical rotation energy. The energy storage module comprises a plurality of flywheel storage units, at least one control system and at least one module control unit, wherein the flywheel storage units are connected electrically in parallel by means of a common DC voltage intermediate circuit, and the control system or systems is/are connected to the common DC voltage intermediate circuit by way of the respective output side and to at least one external voltage grid by way of the respective input side, wherein the module control unit is provided for transmitting suitable prespecified torques to the flywheel storage units for emitting or absorbing energy to/from the DC voltage intermediate circuit, and at least one of the control systems is designed to control the DC voltage in the DC voltage intermediate circuit.

Abstract: The invention relates to a sealing material, to a gas seal made of this sealing material, and to a method for the production of such a gas seal made of this sealing material. The sealing material contains a bromobutyl elastomer in an amount of 100 parts by weight, a filler material in an amount between 10 and 100 parts by weight for setting the volume of the sealing material, a curing agent in an amount between 0.5 and 3.0 parts by weight for curing the sealing material, and a cross-linking component in an amount between 0.1 and 2.0 parts by weight for bringing about a peroxidic cross-linking of the sealing material. This sealing material permits a particularly high vacuum-tightness (that is to say, a low leakage rate) in comparison to sealing materials according to the state of the art, and accounts for resistance, on the one hand, to aggressive gases and, on the other hand, to pump oils such as, for instance, perfluoropolyethene oil or silicon oil.

Abstract: An energy storage system is provided that is adapted to simultaneously carry out control and system tasks in non-local and local power supply grids and to a method for operating such an energy supply system. The energy storage system comprises at least one energy storage module and a system storage capacity and system output, wherein the energy storage system is at least intended for connection to a non-local power supply grid for the execution of received, non-localized control and system tasks in the non-local power supply grid and for connection to one or more local power supply grids for the execution of received, localized control and system tasks in the local power supply grid(s), and is adapted to be connected to a communication network via at least one interface and to receive at least the non-localized control and system tasks via the communication network.

Abstract: A combined electrical power plant is provided to supply power to a grid and a method to operate such a combined electrical power plant comprising a thermal power generation facility and an energy storage facility with a suitable energy storage capacity being able to supply additional electrical power to the grid and to receive and store electrical power from the thermal power generation facility or from the grid. Both facilities are electrically coupled to providing a combined power output to the grid and further comprise a plant controller to process the demand signal and to generate at least a first control signal and a second control signal from the demand signal, where the first control signal is a smoothened function of time of the demand signal resulting from a smoothening process executed by the plant controller taking into account operational characteristics of the thermal power generation facility.

Abstract: An energy storage system is provided with one or more local energy storage systems and a procedure to operate such an energy storage system. The local energy storage systems are connected to a non-local power supply grid and/or one or more local power supply grids each compromising at least one local control unit, which is intended at least for control of the respective energy storage system for localized regulating and system tasks (LRS) for the one or more respective local power supply grids. The energy storage system furthermore comprises a central control unit connected via the communication network to the respective local control units, which is intended for control (SNL) of absorbing (En) and emitting (Ep) energy of the one or more local energy storage systems to the non-local power supply grid, with the central control unit being equipped to dispose of all portions of the local storage capacities (LSKg).

Abstract: An energy storage system is provided that is adapted to simultaneously carry out control and system tasks in non-local and local power supply grids and to a method for operating such an energy supply system. The energy storage system has a modular structure and comprises more than one energy storage modules that are connected to each other via data lines. One of the energy storage modules is provided as master module and the others are provided as slave modules and the master module is configured for the overall control of all energy storage modules connected to the data line. At least the master module comprises at least one interface for receiving external control commands regarding the localized and non-localized control and system tasks to be carried out and a master control unit for storing and carrying out the external control commands.

Abstract: An energy storage module for the reversible storage of electric energy is provided that comprises several flywheel energy storage units that are electrically connected in parallel via a shared DC link. A first regulation system is connected to the DC link and that, during normal operation (NO), connects the DC link to one or more external power networks in order to absorb (En) energy from or release (Ep) energy into the external power network(s). A second regulation system includes an input side and an output side, whereby the input side is connected to at least the DC link while the output side is connected to an internal supply network for purposes of supplying one or more electrically powered operating aggregates that are needed to operate the flywheel energy storage units.

Abstract: A mobile energy storage module is provided having a high energy storage capacity and output. An energy storage system having such energy storage modules and to a method for adjusting the energy storage system to the demands in the power supply grids is also disclosed. To achieve this, the mobile energy storage module comprises an enclosing module housing having at least one power connection interface and at least one data interface, and additionally comprises a flywheel module having a plurality of flywheel energy storage units, a vacuum module for generating a minimum vacuum required for operating the flywheel module, a cooling module for removing at least internal thermal loads during operation of the flywheel module, and a module control system that is configured to appropriately control the modules in the module housing.

Abstract: The invention relates to a component for use as a rotating component, to a corresponding rotational body and to a method for producing said component. The component comprises a fiber-composite region consisting of fiber-composite materials and embedded fibers, said region having one or more normal regions comprising one or more first fibers with a first mechanical load-bearing capacity and one or more reinforcement regions, said reinforcement regions being provided for connection to a respective force-transmission component, in order to vary the rotational energy of the component, and comprising as a reinforcement one or more second fibers with a higher load-bearing capacity in relation to the first fibers. The invention thus provides a component comprising space-saving reinforced regions, said component being capable of compensating the stresses on the component during operation and having a long service life.

Abstract: An energy storage module for the reversible storage of electric energy is provided that comprises several flywheel energy storage units that are electrically connected in parallel via a shared DC link. A first regulation system is connected to the DC link and that, during normal operation (NO), connects the DC link to one or more external power networks in order to absorb (En) energy from or release (Ep) energy into the external power network(s). A second regulation system includes an input side and an output side, whereby the input side is connected to at least the DC link while the output side is connected to an internal supply network for purposes of supplying one or more electrically powered operating aggregates that are needed to operate the flywheel energy storage units.

Abstract: A combined power plant is disclosed for feeding energy into a non-local power network. The combined power plant includes at least one turbine power plant and at least one energy storage installation with one or more energy storage modules, whereby the turbine power plant is connected to the non-local power network in order to feed in power. A monitoring unit monitors the rotational speed of a turbine on the basis of a rotational speed-specific characteristic quantity, at least while the energy is being fed into the non-local power network. The energy storage installation is connected to the non-local power network separately or via the turbine power plant, whereby the monitoring unit is connected to a control unit of the appertaining energy storage installation in order to transmit a characteristic quantity signal based on the rotational speed-specific characteristic quantity to the control unit via a data connection.

Abstract: A combined electrical power plant is provided to supply power to a grid and a method to operate such a combined electrical power plant comprising a thermal power generation facility and an energy storage facility with a suitable energy storage capacity being able to supply additional electrical power to the grid and to receive and store electrical power from the thermal power generation facility or from the grid. Both facilities are electrically coupled to providing a combined power output to the grid and further comprise a plant controller to process the demand signal and to generate at least a first control signal and a second control signal from the demand signal, where the first control signal is a smoothened function of time of the demand signal resulting from a smoothening process executed by the plant controller taking into account operational characteristics of the thermal power generation facility.

Abstract: A component is provided with a fiber-reinforced composite area made of fiber-reinforced composite materials, comprising one or more normal areas and one or more reinforcement areas with one or more connection surfaces that are provided for purposes of connection to an appertaining force-transmission component for the introduction of a force into the component. In the normal area, the one or more fibers(s) are arranged at a first mean fiber angle relative to the direction of the introduction of force. In the reinforcement area, they are arranged at least partially at a second mean fiber angle relative to the direction of the introduction of force, and the second mean fiber angle is smaller thirst mean fiber angle. As a result, a component is put forward that has space-saving reinforced areas in order to compensate for the loads exerted on the component during operation resulting in a long service life.

Abstract: The invention relates to a component (41) for use as a rotating component, to a corresponding body of rotation (4), and to a method for the production of this component (41). The component (41) comprises a fiber-reinforced composite area (42) made of fiber-reinforced composite materials and embedded fibers (F1, F2), comprising one or more normal areas (421) with one or more first fibers (F1) having a first mechanical strength, and one or more reinforcement areas (422) that are provided for purposes of connection to an appertaining force-transmission component (3) in order to vary the rotation energy of the component (41), and in order to reinforce one or more second fibers (F2) that have a second mechanical strength that is greater than that of the first fibers (F1). As a result, a component (41) is put forward that has space-saving reinforced areas (422) in order to compensate for the loads exerted on the component (41) during operation and that has a long service life.

Abstract: An energy storage system is provided with one or more local energy storage systems and a procedure to operate such an energy storage system. The local energy storage systems are connected to a non-local power supply grid and/or one or more local power supply grids each compromising at least one local control unit, which is intended at least for control of the respective energy storage system for localized regulating and system tasks (LRS) for the one or more respective local power supply grids. The energy storage system furthermore comprises a central control unit connected via the communication network to the respective local control units, which is intended for control (SNL) of absorbing (En) and emitting (Ep) energy of the one or more local energy storage systems to the non-local power supply grid, with the central control unit being equipped to dispose of all portions of the local storage capacities (LSKg).

Abstract: A mobile energy storage module is provided having a high energy storage capacity and output. An energy storage system having such energy storage modules and to a method for adjusting the energy storage system to the demands in the power supply grids is also disclosed. To achieve this, the mobile energy storage module comprises an enclosing module housing having at least one power connection interface and at least one data interface, and additionally comprises a flywheel module having a plurality of flywheel energy storage units, a vacuum module for generating a minimum vacuum required for operating the flywheel module, a cooling module for removing at least internal thermal loads during operation of the flywheel module, and a module control system that is configured to appropriately control the modules in the module housing.

Abstract: An energy storage module is provided for reversibly storing electrical energy in the form of mechanical rotation energy. The energy storage module comprises a plurality of flywheel storage units, at least one control system and at least one module control unit, wherein the flywheel storage units are connected electrically in parallel by means of a common DC voltage intermediate circuit, and the control system or systems is/are connected to the common DC voltage intermediate circuit by way of the respective output side and to at least one external voltage grid by way of the respective input side, wherein the module control unit is provided for transmitting suitable prespecified torques to the flywheel storage units for emitting or absorbing energy to/from the DC voltage intermediate circuit, and at least one of the control systems is designed to control the DC voltage in the DC voltage intermediate circuit.