Motors and Drives: AC Induction Motor--Speed and Slip

Part 7 of the Motors and Drives Series describes how ac induction motors get their base speeds and how to calculate slip.

Speed and Slip

  • Speed(rpm) = (120 * F) / #Poles

  • %Slip = (Ssync – Sact) / Ssync * 100, Slip(RPM) = StatorRPM - RotorRPM


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