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TMS320F28062F: Detect disconnected phase

Part Number: TMS320F28062F

Hi Guys,

I'm controlling a BLDC motor with 3phases which works perfectly.

In my case it could happen that, cause of user error, one of the 3 phases could disconnect. offcourse when having a disconnected phase the motor will not turn correctly.
Is there any easy way to detect a disconnect phase?

I did it prevouisly with RS recalibration (which result in very high RS) but I need to disable the RS recalibration, because of the start-up time.

please let me know your ideas.