Abstract: A charging device for charging an electric vehicle with electrical energy, includes a charging cable having a charging plug which is disposed on one end and is able to be connected to a charging connector on the electric vehicle to be charged. The charging device has a plug bracket which is configured to automatically connect the charging plug to the charging connector, or to automatically disconnect the charging plug.

Abstract: A charging device for charging an electric vehicle with electrical energy includes a charging cable which is able to be connected to a charging connector on the electric vehicle to be charged. The charging device has a drag chain assembly which is configured to transport a set of cables flexibly in the direction of the charging connector in at least one spatial direction and to co-align it with the charging connector of the electric vehicle.

Abstract: A charging system for autonomous charging of an electric vehicle with electric energy includes a vertical charging arm part, a charging cable or busbar connectible to the electric vehicle, and an elongate horizontal charging arm part extendible from the vertical charging arm part toward the electric vehicle. The horizontal charging arm part has a first drive system with a first linear operative direction corresponding to a longitudinal direction of the horizontal charging arm part, allowing a vehicle-side end of the horizontal charging arm part to move autonomously using the first drive system, relative to the electric vehicle relative to a first linear degree of freedom. A second drive system has a second linear operative direction moving the horizontal charging arm part autonomously relative to the electric vehicle relative to a second linear degree of freedom. A method for charging an electric vehicle using the charging system is also provided.

Abstract: The disclosure relates to a rotor for an electrical machine, having a central rotor axis. The rotor includes a rotor carrier and at least one superconducting permanent magnet carried mechanically by the rotor carrier. The rotor further includes a magnetization device having at least one superconducting coil element which surrounds the superconducting permanent magnet and which is suitable for magnetization of the superconducting permanent magnet. Furthermore, an electrical machine including such a rotor and a method for magnetization of at least one superconducting permanent magnet of such a rotor are disclosed.

Abstract: A method for creating electrical contact between a first superconductive strip conductor and a further electrical conductor element, wherein the first superconductive strip conductor is placed in flat contact against a first main surface of a reactive multilayer film in a contact area of the strip conductor, the second main surface, facing away from the first main surface, of the reactive multilayer film is placed in flat contact against the further electrical conductor element, and a permanent electrically conductive connection is formed between the first superconductive strip conductor and the further electrical conductor element by subsequently igniting an exothermic chemical reaction in the multilayer film. An electrical conductor assembly is able to be contacted using such a method.

Abstract: The invention relates to a rotor (5) for an electric machine (1) having a central rotor axis (A). The rotor comprises a rotor carrier (7), at least one superconducting permanent magnet (9) carried mechanically separately by the rotor carrier (7), and a damper shield having at least one shielding element (13a, 13i), which surrounds the at least one superconducting permanent magnet (9) and which is formed from an electrically conductive material having an electric conductivity of less than 30·106 S/m. The invention further relates to an electrical machine (1) having a rotor (5) of this kind.

Abstract: A rotor for an electric machine having a central rotor axis is disclosed herein. The rotor includes a rotor carrier and at least one permanent-magnetic, superconducting magnet device mechanically supported by the rotor carrier and having one or more superconducting magnet elements. The respective superconducting magnet element is embedded in an appropriate, assigned radially outer recess of the rotor carrier. The respective superconducting magnet element is formed by at least one strip conductor stack made up of multiple superconducting strip conductors. The respective strip conductor stack is secured in the associated recess by a radially further outer pole cap such that the pole cap holds together the individual strip conductors in the strip conductor stack. An electric machine including a rotor of this type and a method for producing a rotor of this type is also disclosed.

Abstract: The present disclosure relates to cooling devices. The teachings thereof may be embodied in devices for cooling a rotor, which rotates about an axis, wherein the rotor is supported by a central rotor shaft. For example, in a cooling device, the rotor may be supported by a central rotor shaft and comprise a hollow space in the interior of the rotor shaft for accommodating coolant. It may include a first coolant line extending radially outwardly from the hollow space and an annular first distribution line fluidically connected to the hollow space via the first coolant line.

Abstract: The present disclosure relates to electric coil systems having a choking coil for inductive-resistive current limitation. The teachings herein may be embodied in an inductive-resistive current limitation system and to a method of production with such an electric coil system. For example, an electric coil system may include: a choking coil; a bearing body arranged inside the choking coil; and at least one closed annular superconducting conductor element having at least one closed annular superconducting layer arranged on the bearing body.

Abstract: A superconducting coil device includes a superconducting flat conductor having one or more torsional turns. The flat conductor is wound around a winding support to define multiple turns of the conductor around the support. In at least one of the turns, the flat conductor is twisted through approximately 180 degrees about a longitudinal axis of the flat conductor, to thereby switch a contact side of the flat conductor from radially inwardly facing to radially outwardly facing, or vice versa. The contact side of the flat conductor at an inner turn faces a center of the winding and, and at an outer turn faces away from the center of the winding. The inwardly-facing contact side of the strip at an inner turn may be coupled to an inner contact element, and the outwardly-facing contact side at an outer turn may be conductively coupled to an outer contact element.

Abstract: The present disclosure relates to cooling devices. The teachings thereof may be embodied in devices for cooling a rotor, which rotates about an axis, wherein the rotor is supported by a central rotor shaft. For example, in a cooling device, the rotor may be supported by a central rotor shaft and comprise a hollow space in the interior of the rotor shaft for accommodating coolant. It may include a first coolant line extending radially outwardly from the hollow space and an annular first distribution line fluidically connected to the hollow space via the first coolant line.

Abstract: The present disclosure relates to a superconducting apparatus. The embodiments may include a system comprising at least two electrical coil devices and a cooling apparatus for cooling the coil devices with the aid of a coolant. For example, a superconducting apparatus may include: two electrical coil devices, wherein at least one comprises a superconducting coil device; a cooling apparatus for the coil devices; and a first connecting line between the two electrical coil devices including both a first electrical conductor connecting the two coil devices and a first coolant pipe transporting coolant between the two coil devices.

Abstract: The present disclosure relates to a cooling systems. The teachings thereof may be embodied in apparati for cooling an energy conversion apparatus having an electric machine comprising a rotor rotating around a central shaft and at least one first turbine arranged on the same shaft. The cooling apparatus may include at least one first internal cavity of the shaft for transporting coolant into a region within the rotor. The first internal cavity may extend axially through the first turbine and through an axial intermediate space between the first turbine and rotor.

Abstract: A coil device with at least one electrical coil winding with superconducting conductor material and a vacuum container is described in which the vacuum container surrounds the coil winding. The coil winding is part of a self-contained circuit for the formation of a continuous current. The closed circuit has a switchable conductor section, the conductor of which can be switched between a superconducting state and a normally conducting state by a magnetic device. The magnetic device has an internal part arranged inside the vacuum container and an external part arranged outside the vacuum container.

Abstract: A rotary machine, e.g., a synchronous machine, may include cold superconducting windings arranged in a warm soft-magnetic rotor body. Two adjacent windings may be arranged between every two adjacent soft-magnetic pole bodies and fastened by support elements in a common pair of vacuum containers in order to achieve thermal insulation. The two windings may be isothermally interconnected at their mutually facing sides by at least one common support and/or traction element.

Abstract: In a coil device with at least one electrical coil winding with superconducting conductor material, the coil winding is part of a self-contained circuit for formation of a continuous current. The closed circuit has a switchable conductor section which can be switched between a superconducting state and a normally conducting state by a magnetic device.

Abstract: A super conductor is disclosed, in particular a high temperature super conductor of a synchronous machine, including a cooling circuit for a coolant. The liquefied coolant in the cold head provided with a condenser is guided to the super conductor which is to be cooled, in particular in the rotor of the synchronous machine and is returned to the condenser in a gaseous form. In order to guide the coolant from the condenser to the super conductor, pressure generated by a component of the coolant evaporated by a heat source is used.

Abstract: A superconducting coil device includes a superconducting flat conductor having one or more torsional turns. The flat conductor is wound around a winding support to define multiple turns of the conductor around the support. In at least one of the turns, the flat conductor is twisted through approximately 180 degrees about a longitudinal axis of the flat conductor, to thereby switch a contact side of the flat conductor from radially inwardly facing to radially outwardly facing, or vice versa. The contact side of the flat conductor at an inner turn faces a center of the winding and, and at an outer turn faces away from the center of the winding. The inwardly-facing contact side of the strip at an inner turn may be coupled to an inner contact element, and the outwardly-facing contact side at an outer turn may be conductively coupled to an outer contact element.

Abstract: The invention relates to an electric machine (101) comprising a stator (103), a rotatably mounted rotor (105) having a magnetizable and coolable rotor section (107) made of a super-conducting material (417), a control unit (109) designed to control a stator flow for inducing a magnetic flow through the superconducting material (417). The invention also relates to a method for operating an electric machine (101).

Abstract: A coil device with at least one electrical coil winding with superconducting conductor material and a vacuum container is described in which the vacuum container surrounds the coil winding. The coil winding is part of a self-contained circuit for the formation of a continuous current. The closed circuit has a switchable conductor section, the conductor of which can be switched between a superconducting state and a normally conducting state by a magnetic device. The magnetic device has an internal part arranged inside the vacuum container and an external part arranged outside the vacuum container.