Global Patent Index - EP 4352870 A1

EP 4352870 A1 20240417 - POWER CONVERTER WITH DYNAMIC CARRIER FREQUENCY VARIATION

Title (en)

POWER CONVERTER WITH DYNAMIC CARRIER FREQUENCY VARIATION

Title (de)

STROMRICHTER MIT DYNAMISCHER TRÄGERFREQUENZVARIATION

Title (fr)

CONVERTISSEUR DE PUISSANCE À VARIATION DE FRÉQUENCE PORTEUSE DYNAMIQUE

Publication

EP 4352870 A1 20240417 (DE)

Application

EP 22726437 A 20220429

Priority

  • DE 102021205968 A 20210611
  • EP 2022061443 W 20220429

Abstract (en)

[origin: WO2022258256A1] The present invention relates to the control of an electrical power converter. The power converter is controlled with a predefined modulation frequency. This modulation frequency can be variably adjusted. In particular, the modulation frequency can be varied around a basic frequency in a predefined frequency range. The frequency range, in which the modulation frequency is varied, and also the pattern, with which this variation occurs, can be adjusted.

IPC 8 full level

H02M 7/5395 (2006.01); H02M 1/15 (2006.01); H02M 1/44 (2007.01)

CPC (source: EP)

H02M 7/5395 (2013.01); H02M 1/15 (2013.01); H02M 1/44 (2013.01)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

DE 102021205968 A1 20221215; CN 117480720 A 20240130; EP 4352870 A1 20240417; WO 2022258256 A1 20221215

DOCDB simple family (application)

DE 102021205968 A 20210611; CN 202280041447 A 20220429; EP 2022061443 W 20220429; EP 22726437 A 20220429