Valeo Siemens Eautomotive Germany Gmbh

Harald Hofmann

Alexander Bucher

Thomas Dürbaum

Alexander Pawellek

Daniel Kübrich

Panagiotis Mantzanas

Christian Hasenohr

Arnoud Smit

Daniel Zitzmann

An electrical device for a converter has at least one capacitor having a first connection and a second connection, a first busbar and a second busbar is disclosed. A respective busbar has a greater extension along a transverse direction than along a longitudinal direction, and has a greater extension along the longitudinal direction than along a vertical direction. The respective busbar has a first surface and a second surface which are opposite one other with respect to the vertical direction. The device also has a first contact-connection device electrically conductively contact-connected to the first connection and via which the first connection is electrically conductively connected to the first busbar, and a second contact-connection device electrically conductively contact-connected to the second connection via which the second connection is electrically conductively connected to the second busbar. The busbars delimit a connection space in the vertical direction for connecting a semiconductor power unit.

Electric device for a converter, converter and arrangement with an electric machine and a converter

A control device () for an inverter () that feeds an electric machine (), wherein the control device () is configured to provide pulse-width modulated switching signals () for driving switching elements () of the inverter (), wherein the control device () is configured to determine a modulation type by means of which the pulse-width modulated switching signals () are generated depending on operating point information that describes an operating point defined by at least one operating parameter, and to use a first modulation type in at least one first operating region () and a second modulation type in another operating region ().

Control device, inverter, assembly having an inverter and an electrical machine, method for operating an inverter, and computer program

A control device () for an inverter () that feeds an electric machine (), wherein the control device () is configured to provide pulse-width modulated switching signals () with a carrier frequency to drive switching elements () of the inverter (), wherein the control device () is configured to determine the carrier frequency depending on operating point information that describes an operating point defined by a rotation speed and a torque of the electric machine () and, as the rotation speed increases and the magnitude of the torque falls, to increase the carrier frequency within an operating region () that extends within a rotation speed interval with a lower rotation speed limit () differing from zero and with an upper rotation speed limit () lying in a power-limiting operating region () or field-weakening operating region.

Control device, inverter, assembly having an inverter and an electric machine, method for operating an inverter and computer program

A control device () for an inverter () that feeds an electric machine (), wherein the control device () is configured to provide pulse-width-modulated switching signals () at a carrier frequency to drive switching elements () of the inverter (), wherein the control device () is configured to ascertain the carrier frequency within at least one operating range () depending on a piece of operating point information that describes an operating point defined by a rotation speed and a torque of the electric machine () in such a way that the carrier frequency is reduced within the at least one operating range () compared to a maximum carrier frequency operating point at which a maximum carrier frequency is specified in the operating range.

Inverter with switch control and a method of controlling an inverter

The invention relates to a DC link capacitor module ('), in which a coil () is electrically conductively attached to two mutually opposite electrode plates (), wherein a plurality of first connecting means () are provided on each electrode plate () to produce a detachable or non-detachable plug-in connection to second connecting means (), which correspond thereto and are attached to a bus bar () of a power electronics module ().

Growing community of inventors

Nuremberg, Germany

Harald Hofmann