Fault protection for electric drive systems
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United States of America Patent
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Jan 9, 2018
Issued Date -
N/A
app pub date -
May 19, 2016
filing date -
May 19, 2016
priority date (Note) -
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Abstract
A vehicle power system includes a controller configured to issue commands to open a selected set of switches of an inverter and then to operate the selected set of switches according to a pulse width modulation signal having an increasing duty cycle such that input current to a battery is driven towards zero and a magnitude of d-axis current of the drive system is reduced in response to a fault with an electric drive system.
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