Quote:
Originally Posted by Coyote X
For regen, a DC motor is a generator so it puts out a voltage based on the shaft RPM so it needs a DC-DC converter and other junk to boost the voltage to something that can charge the pack and is generally not going to get you much extra power. AC motors are an alternator so you just adjust the field current to vary the voltage output so they can generate high voltages even at low RPM.
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Actually, it is possible to use the motor windings as an inductor in a boost converter. That is true of both AC and DC motors.
http://techno-fandom.org/~hobbit/cars/boost-hack/
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