Patent · US Active

Inverter with switch control and a method of controlling an inverter

US11984830B2 · kind B2 · utility

0Cited by

1References

14Claims

0Family size

Assignee

Valeo Siemens eAutomotive Germany GmbH · DE

Inventors

Panagiotis Mantzanas · Erlangen, DE
Daniel Kübrich · Schlüsselfeld, DE
Thomas Durbaum · Baiersdorf, DE
Alexander Bucher · Nuremberg, DE
Alexander Pawellek · Stadtlauringen, DE
Christian Hasenohr · Erlangen, DE
Harald Hofmann · Bergneustadt, DE

Key dates

Filing date	Jul 27, 2020
Grant date	May 14, 2024
Priority date	—
Expiry date	Jul 27, 2040

Classification

Technology area (CPC H)Electricity
CPC primaryH02P2201/13
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A control device (8) for an inverter (2) that feeds an electric machine (3), wherein the control device (8) is configured to provide pulse-width-modulated switching signals (15) at a carrier frequency to drive switching elements (12) of the inverter (2), wherein the control device (8) is configured to ascertain the carrier frequency within at least one operating range (22, 23) 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 (3) in such a way that the carrier frequency is reduced within the at least one operating range (22, 23) compared to a maximum carrier frequency operating point at which a maximum carrier frequency is specified in the operating range.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.