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BLDC: where is my BEMF?

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FvM said:
The link is describing a simplified regenerative braking method, a subset of the available generator operation modes of an inverter.

The question is what you want to achieve. If you just want to recover some energy, the simplified method should work. Synchronizing to the rotor angle is still necessary.
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What I want to achieve is: Drive the motor forward while the floating phases generates energy (P=U*I) and recover said energy.

When you say "Synchronizing to the rotor angle is still necessary." I'm still not sure what you mean exactly, do you mean other/better than the synchronizing already provided by the three hall sensors?
 

When you say "Synchronizing to the rotor angle is still necessary." I'm still not sure what you mean exactly, do you mean other/better than the synchronizing already provided by the three hall sensors?
Click to expand...
Hall sensor is fine, but you have initially posted about sensorless BLDC.

I think it's time to put the problem specification explicitly.
 

FvM said:
Hall sensor is fine, but you have initially posted about sensorless BLDC.

I think it's time to put the problem specification explicitly.
Click to expand...

Sorry, the error was mine, I understand what you mean now. I will phrase the problem specification more clearly in a new thread.
 

Once you have admited this thread was not correctly specified, it will be closed to avoid furhter confusion.
 

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