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Online Motor Calculators

A collection of useful tools to help technicians perform quick electric motor calculations.

Loop Test
This calculator allows the user to perform the necessary calculations for stator core loop test. The methods used are consistent with the procedure provided in the EASA Technical Manual. Also, see this related EASA article.
Locked Rotor Test
This calculator allows the user to extrapolate locked rotor torque and locked rotor current to rated voltage conditions after performing three reduced voltage measurements. More about the calculations used.
Small Motor Performance
This calculator estimates performance characteristics of small, three-phase induction machines based on a no-load test run, a single-phase impedance test and a winding resistance test.


Members Only

These online calculators are available for member use only. If you are a member, please login.