motor with rotation synchronized to the supply current frequency
Miniature synchronous motor used in analog clocks. The rotor is made of a permanent magnet. Small synchronous motor with integral stepdown gear from a microwave oven
A synchronous electric motor is an AC electric motor in which, at steady state, the rotation of the shaft is synchronized with the frequency of the supply current. Synchronous motors use permanent magnets or electromagnets for rotors, and electromagnets for stators. The stator creates a magnetic field that rotates in time with the oscillations of the current. The rotor turns in step with the stator field at the same rate and as a result, provides a second synchronized rotating magnet field.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).