permanent-magnet stepper motor

permanent-magnet stepper motor

[′pər·mə·nənt ¦mag·nət ′step·ər ‚mōd·ər]
(electricity)
A stepper motor in which the rotor is a powerful permanent magnet and each stator coil is energized independently in sequence; the rotor aligns itself with the stator coil that is energized.
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