Patent · US Active

Method for operating power semiconductors

US9748888B2 · kind B2 · utility

0Cited by

5References

23Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Gunnar Dietz · Koblenzer Straße, DE
Holger Hoffmann · Haan, DE
Harald Hofmann · Bergneustadt, DE
Michael Leipenat · Pommelsbrunn, DE
Stefan Völkel · Erlangen, DE

Key dates

Filing date	Sep 24, 2015
Grant date	Aug 29, 2017
Priority date	—
Expiry date	Sep 24, 2035

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/70
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A method for operating power semiconductors arranged in converters, includes measuring with a temperature sensor a temperature of at least one of the power semiconductors, performing a comparison of the temperature of the at least one power semiconductor with a reference temperature and providing a result of the comparison; activating a pre-heating phase for preheating the power semiconductors as a function of the result; during the pre-heating phase, defining a pre-heating current; and impressing the pre-heating current into an electrical load.

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