Power converter and method for operating the power converter

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United States of America Patent

PATENT NO 12081114
APP PUB NO 20220311327A1
SERIAL NO

17703023

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Abstract

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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.

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Patent Owner(s)

Patent OwnerAddress
SIEMENS ENERGY GLOBAL GMBH & CO KGOTTO-HAHN-RING 6 MUNICH 81739

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Alvarez, Valenzuela Rodrigo Alonso Nuremberg, DE 16 44
Dorn, Joerg Buttenheim, DE 19 72
Gambach, Herbert Uttenreuth, DE 17 107
Wang, Yeqi Langensendelbach, DE 8 18

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