VESC Motor detection not possible/Phase 1 BEMF Voltage off

Svenska

100 mW
Joined
Oct 5, 2014
Messages
41
Crosspost from: http://vedder.se/forums/viewtopic.php?f=7&t=196&sid=c63cf39146f16b46f898ea102e1150f8

Hello,

I got a VESC here which I made myself.
I can't get it to detect any motor and during the troubleshooting I found that one phase is siting much higher then the others.
The motor detection keeps on coming back with failed detection and is not able to spin up the motor no matter what the settings are. This is in BLDC as well as FOC.

I attach a picture of the BEMF plot.

I would be gratfull about any help, as I am at the end of my wisdom.

Thank you, Svenska
 

Attachments

  • Strange_Phase.JPG
    Strange_Phase.JPG
    169.1 KB · Views: 712
If its just one phase then maybe its just one winding / FET / wire that could be damaged?
I'm not going to pretend I know much about ESCs, but this seems logical.
 
I figured it out since then.

The voltage dividers to sense the BEMF voltage didn't make proper connection. They are to be found at R23/24/26/2732/33

Might help somebody in the future?
 
Back
Top