I want to fit a Hub motor ($15kW$ BLDC motor) to my car to convert it into a hybrid vehicle. Would it be possible for me to use the same motor (as a generator) to charge my battery pack, while the vehicle runs on it's normal Internal Combustion engine?
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$\begingroup$ Yes it should work, unless there is controlling circuitry in the motor itself that prevents it. $\endgroup$– JodesSep 3, 2016 at 11:42
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1$\begingroup$ Kelvin-Watts is not a meaningful unit for anything related to a BLDC. $\endgroup$– Olin LathropSep 3, 2016 at 12:45
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There is no theoretical reason for this not to work, but there are many practical considerations, such as the fact that BLDC's typically produce 3-phase power, which would require extra components to convert for use as a charging source, and there may be issues with back-driving any internal gearbox that may be present. E-bikes regularly include regenerative braking functionality, so you could look into this. Without more details on your exact setup, we can't be of any further help.
answered Feb 24, 2018 at 17:20