Patent · US Active

Power converter and method for operating the power converter

US12081114B2 · kind B2 · utility

0Cited by

0References

9Claims

0Family size

Assignee

Siemens Energy Global GmbH & Co. KG · DE

Inventors

Rodrigo Alonso Alvarez Valenzuela · Koblenzer Straße, DE
Joerg Dorn · Buttenheim, DE
Herbert Gambach · Uttenreuth, DE
Yeqi Wang · Nanhu, CN

Key dates

Filing date	Mar 24, 2022
Grant date	Sep 3, 2024
Priority date	—
Expiry date	Oct 14, 2042

Classification

Technology area (CPC G)Physics
CPC primaryG01R31/40
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A method operates a power converter that contains power converter arms. Each of the power converter arms has switching modules and each of the switching modules has a plurality of semiconductor switches and an energy store. A temperature value for the power converter is ascertained on the basis of a state model of the power converter, wherein the ascertainment is repeated so as to obtain time-related temperature values. A number and a magnitude of temperature swings that have occurred are ascertained from the temperature values, and a remaining service life for the power converter is estimated based on the ascertained number and magnitude. A power converter is configured to carry out the above-described method.

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