METHOD AND APPARATUS FOR PRE-EMPTIVE POWER SEMICONDUCTOR MODULE FAULT INDICATION
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United States of America Patent
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Issued Date -
Mar 20, 2014
app pub date -
Sep 19, 2012
filing date -
Sep 19, 2012
priority date (Note) -
Abandoned
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Abstract
A method and an apparatus for an arrangement including a power semiconductor module with a cooling interface which is connected to a cooling element. The method first measures a first temperature value of the cooling interface, and then changes an operating mode of the power semiconductor module, wherein the operating mode is selected from an active mode and an inactive mode. The method then waits a determined time, measures a second temperature value of the cooling interface, and determines a temperature difference between the first temperature value and the second temperature value. The method then determines a level of a fault risk on the basis of the temperature difference. The apparatus implements the method.
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