Audi Ag

Krones Ag

Borgwarner US Technologies LLC

Abb Schweiz Ag

Hitachi Energy Ltd

Abb Power Grids Switzerland Ag

Hitachi Energy Switzerland Ag

Andreas Apelsmeier

Stephan Brüske

Benjamin Söhnle

Johann Asam

Konrad Senn

Johann Zimmerer

Chetan Ugare

Stefan Berindan

Günter Vetter

Thomas Gradinger

Maximilian Schiedermeier

Daniele Torresin

Daniel Ruppert

Didier Cottet

Jürgen Schuderer

Felix Traub

Günter Winkler

Rainer Englbrecht

Guenter Winkler

Guenther Winkler

Syed Shah Fahad Hassan

Guenter Vetter

Henning Suckel

Günther Winkler

A system for an electric vehicle includes: an inverter housing including an inner wall, a first channel, and an exterior surface; and a heatsink coupled to the exterior surface of the inverter housing, the heatsink including a second channel; wherein the first channel in the inverter housing and the second channel in the heatsink define a cooling circuit, and wherein the first channel is fluidly connected to the second channel to pass a coolant through the cooling circuit.

Systems and methods for integrated double side cooling of a power module of an inverter

An inverter including: a housing including a first surface and a second surface opposite to the first surface; a power module including a first surface and a second surface opposite to the first surface, wherein the first surface of the power module contacts the first surface of the housing; a heat sink including a first surface and a second surface opposite to the first surface, wherein the first surface of the heat sink is coupled to the second surface of the power module; a multi-functional structural element, the multi-functional structural element including a first surface and a second surface, wherein the first surface of the multi-functional structural element contacts the second surface of the heat sink; and a printed circuit board, the printed circuit board being coupled to the second surface of the multi-functional structural element; wherein the housing and heat sink define a cooling circuit.

Systems and methods for a multi-functional structural element of an inverter

A power converter including a semiconductor module having a base plate and a cooling housing. The cooling housing includes a receptacle plate and a cover. The receptacle plate has an opening. The receptacle plate is connected to the base plate of the semiconductor module around the opening. The cover is connected to the receptacle plate along a closure path around the opening, and either the receptacle plate or the cover is formed as a stamped or deep-drawn plate.

Direct cooling of a power converter by using a stamped plate

Power electronics arrangement including a printed circuit board and at least one power module fastened on the printed circuit board, which has one or more electronic components potted by a potting compound. At least one module connecting point of the power module is electrically contacted with at least one board connecting point of the printed circuit board by an electrically conductive pin. A base section of the pin is fastened on the module connecting point or on the board connecting point, and the end of the pin opposite to the base section is pressed in the installation position into a contacting opening assigned or assignable to the respective other connecting point.

Power electronics unit comprising a circuit board and a power module, method for producing a power electronics unit, motor vehicle comprising a power electronics unit

An inverter for an electric machine is provided. The electric machine includes a rotor and a stator. The inverter includes a DC/AC converter and a DC/DC converter. The DC/AC converter includes at least one chip of silicon carbide having at least one MOSFET. The DC/DC converter includes at least one chip of silicon having at least one IGBT. The DC/DC converter is connectible to a first one of the rotor or the stator of the electric machine and the DC/AC converter is connectible to a second one of the rotor or the stator of the electric machine.

Inverter including DC/AC converter and DC/DC converter connectible to rotor and stator included in electric machine

A method for operating an electrical circuit including at least one half-bridge formed from two transistors wherein the electrical circuit is switched over between a first switching state, in which the first transistor of the half-bridge is switched to conductive by a first voltage value of a first control voltage and the second transistor of the half-bridge is switched to blocking by a second voltage value of a second control voltage, and a second switching state, in which the first transistor is switched to blocking by a second voltage value of the first control voltage and the second transistor is switched to conductive by a first voltage value of the second control voltage, wherein a dead time state, in which both transistors are switched to blocking, is assumed chronologically between the first switching state and the second switching state.

Method for operating an electrical circuit, electrical circuit, and motor vehicle

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.

Electronic power module

A power electronics module includes a substrate with a substrate metallization layer, which is separated into conducting areas for providing conducting paths for the power electronics module; a semiconductor switch chip bonded with a first power electrode to a first conducting area of the substrate metallization layer; a conductor plate bonded to a second power electrode of the semiconductor switch chip opposite to the first power electrode.

Power electronics module

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.

Power semiconductor module with low gate path inductance

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.

Converter device for an electrical machine, motor vehicle, and method for operating a converter device

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.

Method for adjusting a power electronics unit

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.

Electronics device having at least one component to be cooled

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

Electrical drive system

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.

Circuit arrangement for an electronic device

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.

Growing community of inventors

Pollenfeld, Germany

Andreas Apelsmeier