The equation is n = 60 x f /p, where p is the number of pairs of poles per phase, f is the supply frequency, and n is the synchronous speed.
The rotating field AC motor's synchronous speed is a crucial variable. The frequency and variety of magnetic poles are what determine it. The term "synchronous motor" refers to a group of motors that operate at the same speed.
A revolving magnetic field that spins in both space and time is created when the stator winding of the an induction motor receives three phases that are electrically spaced 120 degrees apart. Synchronous motor speed refers to the rate at which the magnetic field is revolving.
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