Question

What happens if accidently motor and generator are interchanged in the connection?

Answer 1

You must provide more information. What kind of motor? Which connections are we planning to reverse? If possible a rough circuit diagram.

Anyway let me try and answer by considering the following possibilities.

DC motor - Reversing the connections will make the motor run in the opposite direction.Simple AC motor - Nothing will happen, it will continue to run in the same direction. Try reversing the connection of you fan.3 phase motor - Reversing the terminals of a phase won’t have any effect but swapping two phases can change the direction of the motor.

We can go on and on, but it would be better if you could tell us more about your problem (if the above has not solved it).

All the best