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Electrical Motors - Speed vs. No. of Poles and Frequency

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The speed at which an electric induction motor operates depends on

  • the input power frequency, and
  • the number of electrical magnetic poles
Electrical Motors - Speed vs. No. of Poles and Frequency
Speed (rpm)
PolesFrequency (50 Hz)Frequency (60 Hz)
SynchronousFull LoadSynchronousFull Load
2 3000 2850 3600 3450
4 1500 1425 1800 1725
6 1000 950 1200 1150
8 750 700 900 850
  • Slip - in synchronous electrical induction motors

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Related Topics

• Electrical

Electrical engineering with units, amps and electrical wiring. Wire gauges, electrical formulas, motors and more.

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