Single-phase asynchronous motors
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are electric motors of lower and minimum power for operation on the AC mains power supply. As in the single-phase asynchronous motors, the stator development consists of a main and an auxiliary winding. The latter is excited from the grid in order to generate a rotary field via a capacitor or it is designed as a shaded pole winding.
Depending on the version of the rotor, permanent magnet motors, hysteresis motors and reluctance motors must be distinguished. All single-phase synchronous motors exhibit typical synchronous behavior, i.e. they run with a constant speed fixed by the power supply frequency and number of pole pairs, fall out of synchronism on exceeding the breakdown torque, remain at a standstill or continue to run asynchronously.
