DESATURATION FAULT RESPONSE
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United States of America Patent
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Issued Date -
Sep 5, 2024
app pub date -
May 2, 2023
filing date -
Mar 2, 2023
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Abstract
Systems and methods for controlling one or more inverters in response to detecting a desaturation (DESAT) fault are disclosed herein. A DESAT fault of an inverter coupled to a motor is detected. In response to detecting the DESAT fault, all driving switches of the inverter are instructed to open. The driving switch that failed and a type of failure are determined based on current of the motor during a predetermined time period after instructing all of the driving switches to open, and the remaining driving switches are controlled based on which switch failed and the type of failure.
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