Quote:
The AC induction motors on your table saw will not regen, and are made to run in syncronus with the 60HZ line frequency.
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Actually, if you spin an induction motor faster than its synchronous speed, it will regen. (In practice, that occurs regularly in escalators going down.) The proper reactive impedance must be supplied to the motor using capacitors, the grid, or a special inverter.
Induction Generator