What do you call to a small a.c generator with a permanent magnet mounted on the rotor shaft of the alternator?

Question: What do you call to a small a.c generator with a permanent magnet mounted on the rotor shaft of the alternator? 

A small AC generator with a permanent magnet mounted on the rotor shaft of the alternator is commonly referred to as a permanent magnet generator (PMG). The PMG uses the magnetic field of the permanent magnet to generate electricity. As the rotor spins, the magnetic field induces an alternating current in the stator windings. PMGs are commonly used in small-scale wind turbines, hydro turbines, and other renewable energy applications, where they can provide a reliable and efficient source of power.

 

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