Rotating magnetic field
A rotating magnetic field has a direction that rotates in space over time.
Other learning contexts (1)
In context
Balanced three-phase windings and currents typically produce it. Its rotation speed relates to supply frequency and motor pole count.
Example
Motors with different pole counts have different synchronous speeds even at the same frequency. Do not determine rotation speed from voltage alone.
Key distinction
Distinguish rotating-field speed from shaft speed.
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