ENGINEERING TOOLS
3-Phase AC Machine Analysis

Induction Motor
Calculator

Compute slip, rotor speed, torque, efficiency and starting current for three-phase induction motors with full-load and no-load analysis.

Motor Parameters
Nameplate Data
kW
Hz
RPM
V
—
Loss Data
W
W
W
W
Key Formulae
Ns= 60f / p
Slip (s)= (Ns − Nr) / Ns
Torque= P_mech / ω_r
η= P_out / P_in × 100%
I_start= V_ph / |Z_eq|
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Ready to Compute

Enter motor parameters on the left and click Calculate Results to view full analysis.