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1 vote

BLDC motor driver failing when powered up

So I think (but I don't have proof), that the different LM317s are the problem. We definitely have two different LM317M variants, the working board is different to all the failing boards. I did also ...
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1 vote

BLDC motor driver failing when powered up

This answer is useful in that it addresses a common problem with components from unknown sources - and in this case the LM317 specially. Other users with similar problems may find this useful. ...
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0 votes

Non-regenerative braking on a PMSM/BLDC motor

I'm late, but the question is well asked, and I'm searching for a solution too. One of the items mentioned: Large Energy-Storage Capacitor These days apparently there are super capacitors e.g. https://...
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1 vote

BLDC motor and bullet connectors getting hot

Your test is inappropriate. 1 minute is way too long for static test. 10 seconds maybe. Static testing for a whole minute on the ground when these are designed rely on the air cooling from being flown ...
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How to calculate torque constant and back EMF constant of a BLDC motor?

It's not clear how you want to use those equations, what answers you are looking for. So maybe it would be helpful to describe the back emf and torque constants Ke and Kt and how they are related. ...
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