Quote:
Originally Posted by Tem1514 Mentor
The quick answer is one motor is being run as a generator
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That quick answer is not true.
The difference in voltage would have to be so large that the higher-voltage motor was driving the system at a speed exceeding the lower-voltage motor's free speed*. Not likely.
What actually happens is that the higher-voltage motor carries more of the load. It supplies more torque and power. So it tends to get hotter.
The lower-voltage motor is still generating torque and supplying power to the load as long as the speed is lower that that motor's free speed at that voltage.
* at its lower voltage