Abstract: An electrical drive system having multiple drive units for motor vehicles, especially for pure electric vehicles, and a method for operating the drive system.

Abstract: A circuit arrangement for an electronic device having at least two semiconductor elements of the same type connected in parallel with each other. At least one first semiconductor element has a first characteristic and at least one second semiconductor element has a second characteristic. Each of the two characteristics is defined by at least one power loss. The at least one power loss of the at least one first semiconductor element has a first value, and the at least one power loss of the at least one second semiconductor element has a second value. The two values of the at least one power loss are different.

Abstract: A power semiconductor module, including a housing; a power semiconductor chip within the housing; power terminals protruding from the housing and electrically interconnected with power electrodes of the semiconductor chip; and auxiliary terminals protruding from the housing and electrically interconnected with a gate electrode and one of the power electrodes; wherein three auxiliary terminals are arranged in a coaxial auxiliary terminal arrangement, which comprises an inner and two outer auxiliary terminals, which are arranged on opposing sides of the inner auxiliary terminal. The inner auxiliary terminal is electrically interconnected with the gate electrode or one of the power electrodes and the two outer auxiliary terminals are electrically connected with the other one of the gate electrode and the one of the power electrodes.

Abstract: A method for adjusting a modulation of at least one electrical operating parameter of at least one component of a power electronics unit, wherein an electric machine of a vehicle is operated by the power electronics unit, wherein the modulation is adjusted by a user of the vehicle.

Abstract: An electrical drive system having multiple drive units for motor vehicles, especially for pure electric vehicles, and a method for operating the drive system.

Abstract: An electronics device with at least one component to be cooled, a cooling element for cooling the component to be cooled, at least one power supply line, and a respective current sensor for recording a current strength of a current flowing through the respective power supply line, wherein the cooling element has a recess, in which the current sensor engages or in which the current sensor is arranged.

Abstract: A motor vehicle can be powered by a combustion engine or an electric machine or both. Coolant is conveyed in the coolant circuit first to the electric machine before being conveyed from the electric machine to the combustion engine for cooling both the combustion engine and the electric machine. A cooling device adjusts a temperature of the coolant in the coolant circuit in such a way that the cooling device adjusts the coolant to a first temperature, when the motor vehicle is powered by the combustion engine, and to a second temperature which is less than the first temperature, when the motor vehicle is powered by the electric machine and the combustion engine.

Abstract: An electronic power module, including at least one semiconductor component, which is arranged on a support, as well as a cooling element, which is in thermal contact with the semiconductor component, wherein the support includes a semiconductor material and, at the same time, serves as a cooling element.

Abstract: A converter device for an electrical machine, including a switch with a plurality of switching elements to generate a multiphase alternating current for the electrical machine and a plurality of phase conductors for conducting an alternating current generated in each case by the switch to the electrical machine, wherein a number of first phase conductors that is one less in number than the total number of phase conductors are coordinated with a current measuring means, and a control device is provided, which is designed to determine a calculated value describing a current along the second phase conductor from first measured values of the current measuring means, wherein the control device is designed to check the plausibility of the calculated value on the basis at least one second measured value of a short circuit detecting device coordinated with a switching element.

Abstract: A circuit arrangement for an electronic device having at least two semiconductor elements of the same type connected in parallel with each other. At least one first semiconductor element has a first characteristic and at least one second semiconductor element has a second characteristic. Each of the two characteristics is defined by at least one power loss. The at least one power loss of the at least one first semiconductor element has a first value, and the at least one power loss of the at least one second semiconductor element has a second value. The two values of the at least one power loss are different.

Abstract: A method for producing a semiconductor arrangement, said method includes fastening a semiconductor on a base element by means of a sintered layer, wherein a side of the sintered layer which faces the base element is configured planar; and perforating a region of the base element, which directly contacts the sinter, wherein the perforating includes generating a plurality of through-openings having a closed border in the region of the base element for adjusting a stiffness of at least a portion of the base element in a targeted manner

Abstract: A method for producing a semiconductor arrangement, said method includes fastening a semiconductor on a base element by means of a sintered layer, wherein a side of the sintered layer which faces the base element is configured planar; and perforating a region of the base element, which directly contacts the sinter, wherein the perforating includes generating a plurality of through-openings having a closed border in the region of the base element for adjusting a stiffness of at least a portion of the base element in a targeted manner

Abstract: A motor vehicle can be powered by a combustion engine or an electric machine or both. Coolant is conveyed in the coolant circuit first to the electric machine before being conveyed from the electric machine to the combustion engine for cooling both the combustion engine and the electric machine. A cooling device adjusts a temperature of the coolant in the coolant circuit in such a way that the cooling device adjusts the coolant to a first temperature, when the motor vehicle is powered by the combustion engine, and to a second temperature which is less than the first temperature, when the motor vehicle is powered by the electric machine and the combustion engine.

Abstract: A motor vehicle includes a hybrid drive having an internal combustion engine and an electric drive motor, and an air conditioning system having a compressor configured to compress a refrigerant, and an electric motor configured to operate the compressor and to start the internal combustion engine as electric starter when being coupled with the internal combustion engine. The electric motor has an inverter to operate the electric motor directly with high voltage of a high-voltage onboard electrical system of the motor vehicle so as to enable the electric motor to apply a mechanical torque for re-staring the internal combustion engine in case of need in the absence of any assistance from the electric drive motor. A clutch device mechanically couples the electric motor of the air conditioning system with the internal combustion engine in response to a control signal.

Abstract: A motor vehicle includes a hybrid drive having an internal combustion engine and an electric drive motor, and an air conditioning system having a compressor configured to compress a refrigerant, and an electric motor configured to operate the compressor and to start the internal combustion engine as electric starter when being coupled with the internal combustion engine. The electric motor has an inverter to operate the electric motor directly with high voltage of a high-voltage onboard electrical system of the motor vehicle so as to enable the electric motor to apply a mechanical torque for re-staring the internal combustion engine in case of need in the absence of any assistance from the electric drive motor. A clutch device mechanically couples the electric motor of the air conditioning system with the internal combustion engine in response to a control signal.

Abstract: An apparatus for heating plastic receptacles and particularly plastic parisons may include a transport device, which transports the plastic receptacles along a predetermined transport path, a microwave generation device, and a routing device, which routes the microwaves in the direction of the plastic receptacles which are to be heated The routing device may be at least sectionally in the form of a hollow conductor. The apparatus includes a control device which is in a form such that it controls the microwave energy hitting the plastic receptacles during the heating process.

Abstract: A resonator unit includes a resonator chamber with a first opening for receiving container in a predefined position and for heating the container with microwaves coupled into the resonator chamber. The chamber has a second opening via which the microwaves are coupled into the resonator chamber, wherein the geometry of the resonator chamber relative to the predefined position of the container in the first opening is adapted by a device for adapting the geometry so that an electric field produced in the resonator chamber in a working mode is symmetrical in relation to the container or the impedance of the resonator unit equipped with container is approximately constant for containers of different configurations.

Abstract: The invention relates to a device (1) for heating plastic preforms (10), comprising at least one microwave generator (2) that generates an alternating electromagnetic field in the form of microwaves, a microwave transmission unit (4) that transmits the microwaves generated by the microwave generator (2) to a resonator unit (6), and a conveying device that conveys the plastic preforms (10) to the resonator unit (6), wherein the resonator unit (6) comprises a resonator housing (8) that forms a receptacle space (10) for heating the plastic preforms (10), said housing having at least one inner wall (22a, 22b, 22c) facing the plastic preforms (10) and an injection area (12) through which the microwaves are introduced into the resonator unit (6), wherein the inner wall (22a, 22b, 22c) is annealed on the surface thereof facing the plastic preforms at least in some sections such that the annealing reduces power losses in the inner wall caused by the microwaves.

Abstract: An apparatus (1) for heating plastic receptacles (10) and particularly plastic parisons (10) with a transport device (2), which transports the plastic receptacles (10) along a predetermined transport path, with a microwave generation device (4), with a routing device (6) which routes the microwaves in the direction of the plastic receptacles (10) which are to be heated, said routing device (6) being at least sectionally in the form of a hollow conductor. In line with the invention, the apparatus (1) has a control device (12) which is in a form such that it controls the microwave energy hitting the plastic receptacles (10) during the heating process.

Abstract: A resonator unit (16) comprising a resonator chamber (40) with a first opening (42) for receiving a container (10) in a predefined position and for heating the container (10) by means of microwaves coupled into the resonator chamber (40), and with a second opening (44) via which the microwaves are coupled into the resonator chamber (40), wherein the geometry of the resonator chamber (40) relative to the predefined position of the container (10) in the first opening (42) is adapted by a device for adapting the geometry so that an electric field produced in the resonator chamber (40) in a working mode is symmetrical in relation to the container or the impedance of the resonator unit (16) equipped with a container (10) is approximately constant for containers (10) of different configurations.