CONTROL DEVICE FOR AN INVERTER, ELECTRIC DRIVE SYSTEM AND METHOD FOR ESTABLISHING A SAFE OPERATING MODE
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United States of America Patent
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Issued Date -
Aug 3, 2023
app pub date -
Apr 30, 2021
filing date -
May 25, 2020
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Abstract
The present invention relates to establishing a rotational speed-dependent safe operating mode. For this purpose, two redundant control paths are provided and are each designed to establish either an active short-circuit or a freewheeling mode as the safe operating mode. In this way, even if one control path fails, a rotational speed-dependent safe operating mode can still be fully established.
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