AC Induction Motor Test System

The End-of-line (EOL) AC Induction Motor Test System is used for assessing the performance and performing quality analysis on AC induction motors. The system measures various parameters, such as, torque, speed, current, voltage, input power, output power, efficiency, power factor, copper loss, and bearing friction and windage loss. Additional parameters can be measured as per the customer’s requirements.

It makes use of a regenerative load that feeds the generated power back to the motor under test, optical encoder and reaction torque sensor/load cell arrangement. This regenerative technology ensures that the system consumes very little power from the mains supply even during the full load test.

The EOL AC Induction Motor Test System makes use of a reliable and robust production-class hardware for accurately measuring various parameters by performing a number of tests sequentially. The drives required for the driving mechanics are fully configurable and customizable and are included in the measuring hardware. A precision machined mechanical fixture is used for securing motors of various frame sizes to have minimal axial misalignments with the measuring hardware.

The EOL AC Induction Motor Test System consists of a proprietary test software. All measurements are made by the system according to the parameters selected by the user in the software and the test results are displayed in the software for evaluation.


  • No load torque
  • Full load torque
  • Stall torque
  • No load RPM
  • Full load RPM
  • No load current
  • Full load current
  • Inrush current
  • Locked rotor current
  • Operating voltage
  • Input power
  • Output power
  • Efficiency
  • Power factor
  • Copper loss
  • Bearing friction and windage loss

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