Abstract: A liquid cooling device with a main body has a planar surface for the arrangement of a power semiconductor device. This main body has a first end face and a second end face opposite said first one, and a plurality of tubular cooling recesses extending from the first to the second end face. A first swirling element arranged in an associated cooling recess, wherein the swirling element has an operative section arranged within the associated cooling recess and a locking section, wherein the locking section interacts with a locking abutment and/or with a further swirling element, and therefore prevents rotation of the operative section in the associated recess.

Abstract: A power electronic assembly with a housing and a capacitor device therein. The capacitor device has capacitor elements, each with a first and a second capacitor contact device, and a capacitor busbar having a first metal shaped body with a first contact point and a second metal shaped body with a second contact point. The first metal shaped body of first polarity has a plurality of first terminal contact devices each connected to a first capacitor contact device and the second metal shaped body of second polarity has a plurality of second terminal contact devices each connected to a second capacitor contact device. The individual current paths each formed from a first partial current path between the first contact point and a first terminal contact device and a second partial current path between the second terminal contact device associated with the first and the second contact point each have the same current path length.

Abstract: A functional component and having a partial plastic housing element with a plastic housing wall, the plastic housing wall having a device identification region integrated into the plastic housing wall and thus realizing a constituent part of the plastic housing wall. The device identification region comprising identification elements integrated into the plastic housing wall, those identification elements that realize part of a surface of the plastic housing wall realizing device identification elements, the device identification region being realized individually for the device by the device identification elements, such that the device can be unambiguously identified by means of the device identification region.

Abstract: A circuit arrangement and a method for actuating a power semiconductor switch wherein said power semiconductor switch has a load current input, a load current output and a control input, having a first voltage detection device, which is able to be switched on and off, for detecting a first voltage present between the load current input and the load current output, a second voltage detection device, which is able to be switched on and off, for detecting a second voltage present between the control input and the load current output, and having a regulating device that is designed to cyclically assess a second voltage value of the second voltage and, if a second threshold value of the second voltage value is reached, to switch on the first voltage detection device, in particular if no further fault signal is present.

Abstract: A circuit arrangement and a method with a DC voltage supply, a DC voltage intermediate circuit, a power converter, a control device for the power converter, and with a braking resistor. The power converter is formed as a multi-phase bridge circuit having at least one, preferably at least two first half bridge circuit(s) and having at least one, preferably at least two second half bridge circuit(s), which are each connected to the DC voltage intermediate circuit. A first resistor terminal of the braking resistor is connected to the middle tap of the first bridge circuit, and wherein a second resistor terminal of the braking resistor is connected to the middle tap of the second bridge circuit.

Abstract: An arrangement and methods for operating and for determining the speed of an electrical machine connected to a power electronic switching device and for supplying energy to a control device of the power electronic switching device. The arrangement and methods have an inductive decoupling device arranged on an electrical conductor leading from the switching device to the electrical machine, wherein a frequency determination device is used to determine the frequency of a voltage associated with a current in the electrical conductor and thus indirectly the speed of the electrical machine, and wherein a rectified output voltage of the decoupling device forms a voltage source for the control device.

Abstract: A power semiconductor module has a base plate with a housing and a switching device. The switching device has a substrate and a connecting device with a first and a second main face. A group of power semiconductor components is arranged on a conductor track of the substrate, and has a group midpoint. A pressure device is formed on the substrate in the normal direction to exert pressure, which pressure device has a pressure body and a pressure inducing body, wherein a pressure element is arranged protruding from the pressure body, wherein the pressure element presses onto a pressure section of the second main face of the connecting device, and wherein the pressure inducing body has a pressure transmission section with a pressure transmission point.

Abstract: An electronic power unit has a substrate with a perpendicular direction and a flat insulating molded body has a metal layer on a first main face and conductor tracks on a second main face. The substrate is in a non-positive locking or materially-bonded manner on a base plate of the electronic power unit. A first fastening device is on the base plate in a non-positive locking manner on a cooling device or a housing section has a second fastening device provided to arrange the substrate in a non-positive locking manner on a cooling device.

Abstract: A method for producing a film composite for electrical connection inside a power electronic switching device has the steps: A) forming a film composite having an electrically insulating insulant film with a first and a second main face. A first electrically conductive metal film, forms conductor tracks insulated from one another on the first main face, and having a second electrically conductive metal film forming conductor tracks arranged insulated from one another on the second main face of the insulant film; B) folding the film composite on a fold line, so that a first contact face of a first conductor track lies on a first contact face of a second conductor track of the first main face, and a second contact face of this first conductor track of the first main face lies on a second contact face of the second conductor track of the first main.

Abstract: An actuation device for actuating a circuit breaker, has a circuit arrangement and a plurality of resistor devices, wherein a plurality of first switching elements of the circuit arrangement are connected to a respectively assigned first voltage source and a respectively assigned resistor device and have a switching input that is connected to an actuation logic unit, wherein this actuation logic unit furthermore has a superordinate actuation input and a plurality of sensor inputs. A method for operating such an actuation device is also presented, wherein, during the switching-on or the switching-off process of the circuit breaker, the plurality of first switching elements are switched on in a clocked manner and therefore generate a target voltage profile at the control input of the circuit breaker.

Abstract: A power semiconductor module has a substrate arrangement which has a substrate, wherein the respective substrate has conductor tracks, power semiconductor components arranged on the substrate conductor tracks and electrically conductively contacted therewith, a foil stack arrangement which has at least one foil stack, and the foil stack comprises foil stack conductor tracks.

Abstract: An arrangement having a housing and an electrically conductive contact spring is presented, wherein the contact spring has a first and a second orthogonal main plane along its specified spring direction, wherein it is formed so as to be symmetric with respect to the first main plane, x-z plane, and asymmetric with respect to the second main plane, x-y plane, and also with respect to a rotation through 180° about the specified spring direction. The housing has a spring shaft for receiving the contact spring, and wherein this spring shaft likewise has a first and a second main plane, which coincides with the respective main plane of the contact spring, and wherein the spring shaft is formed so as to be symmetric relative to both main planes. And a power semiconductor module having such an arrangement.

Abstract: An arrangement having a housing and an electrically conductive contact spring is presented, wherein the contact spring has a first and a second orthogonal main plane along its specified spring direction, wherein it is formed so as to be symmetric with respect to the first main plane, x-z plane, and asymmetric with respect to the second main plane, x-y plane, and also with respect to a rotation through 180° about the specified spring direction. The housing has a spring shaft for receiving the contact spring, and wherein this spring shaft likewise has a first and a second main plane, which coincides with the respective main plane of the contact spring, and wherein the spring shaft is formed so as to be symmetric relative to both main planes. And a power semiconductor module having such an arrangement.

Abstract: A power electronics system has a housing, a cooling device, a power semiconductor module and a capacitor device. The cooling device has a first and a second main surface. The power semiconductor module is arranged on the first main surface and is in thermally conducting contact with the cooling device and the capacitor device is arranged on the second main surface and is in thermally conducting contact with the cooling device. At least one DC connection device is connected to a DC module connection of the power semiconductor module and has a first cooling section, which is in thermally conducting contact with the cooling device.

Abstract: A method and a device for pressure sintering connection of a joining group composed of a first and a second joining partner by means of a device with a lower tool and an upper tool having the steps: providing the joining group at room temperature as an initial temperature, arranging the joining group between the supporting surface and the pressure surface, wherein the joining group has no direct thermal contact with the supporting surface and no direct thermal contact with the pressure surface, introducing pressure onto the joining group, wherein at the start of the introduction of pressure the starting temperature of the joining group is no more than 100K above an initial temperature; increasing the temperature of the sintering agent by at least 50K above the starting temperature; ending the introduction of pressure.

Abstract: A module and a power semiconductor device wherein a module is configured with a molded plastic body and load terminal elements of the power semiconductor device, wherein respective load terminal elements are configured as a flat shaped metal body having a first main face and an opposite second main face, and having a first secondary face and an opposite second secondary face. The secondary faces connect the main faces, and have a terminal section, wherein the molded plastic body forms channels and comprises a bottom body part, a first and a second edge body and a partition body. The load terminal elements are arranged with a section in an associated channel, and an edge body of the channel has an indentation directed towards the one main face of the directly neighboring terminal element.

Abstract: An electronic circuit includes a circuit carrier (1), a metal layer (9) and an electrically insulating base layer (2) on the metal layer (9). Conductor tracks (3) are on the base layer (2) and electronic components (4) are arranged on the conductor tracks (3). The conductor tracks (3) and the electronic components (4) are covered using a potting compound (10). A separating layer (11) is arranged between the base layer (2) and the potting compound (10) at least in the areas between the conductor tracks (3). The separating layer (11) consists of an electrically insulating material, which is different from both the material of the base layer (2) and the material of the potting compound (10).

Abstract: A power electronic arrangement has a plurality of single-phase power semiconductor modules and one multi-phase power semiconductor module, wherein each single-phase power semiconductor module has a first, at least frame-like housing, two first DC voltage terminal elements, a first AC voltage terminal element, first auxiliary terminal elements and a first switching device. The multi-phase power semiconductor module has a second, at least frame-like housing, two second DC voltage terminal elements, at least two second AC voltage terminal elements, second auxiliary terminal elements and a second switching device. The first and second DC voltage terminal elements each form a stack in a section of their length and on the terminal sections are designed identically. All the power semiconductor modules are arranged in a row in the direction of the normal vectors of the respective first longitudinal side.

Abstract: A production method and a power electronic connecting device for a power semiconductor module, wherein the connecting device is designed as a flexible film stack of a first and a second electrically conductive film and an electrically insulating film arranged therebetween, wherein at least one of the electrically conductive films is structured in itself and thus forms a plurality of film conductor tracks, wherein a first one of these film conductor tracks has, in a first section, a first average thickness and, in a second section, a second average thickness which is at least 10%, preferably at least 20%, smaller than the first average thickness.

Abstract: A power converter module has a switching device with a substrate with a first and a second DC voltage conductor track and a first and a second DC voltage terminal element connected in an electrically conducting manner with the correct polarity, and having a first and a second DC voltage connection element. The first DC voltage terminal element is connected to the first DC voltage connection element in an electrically conducting manner with the correct polarity by means of a first materially-bonded connection, wherein the second DC voltage terminal element is connected to the second DC voltage connection element in an electrically conducting manner with the correct polarity by means of a second materially-bonded connection.