Compressor

Application for Compressor testing

Testing the compressor performance can be done in two ways: statically or dynamically.

In both cases, in order to get the data of the compressor output torque, it is necessary to use one the following two options:

  • Testing an open compressor, in a vertical set-up.
  • Building a special housing for the compressor stator and rotor, creating a «Housing Motor,» and testing the output performance of the «housing motor.»

 

Compressor manufacturers and driver manufacturers are both interested in the static and dynamic performances of the compressor.

The dynamic performances include the compressor’s torque, speed, voltage, current, and power, during the acceleration of the compressor.

SYSTEM OVERVIEW

 

For the dynamic performances, MEA uses its (has developed) unique, worldwide patented, Inertial Dynamometer System capabilities.

The testing includes:

  • Compressor characteristics curves against time, including torque, speed, current, voltage, power output, power input, efficiency, reactive power, and power factor.
  • Compressor load performances during acceleration.

For the static performances, MEA uses its four-quadrant regenerative load dynamometer system capabilities, that allow loading and rotating the CUT (Compressor Under Test) clockwise and counterclockwise.

Performance Torque Speed

Stall Torque Test rotor mechanically block

Torque ripple measurement at low RPM

Open circuit back EMF test

Temperature rise test

Inductance LCR test 3 phase auto

Friction vs. speed

Load from excel file

Time torque curve test

Performance by the time test

Back EMF constant KE (CW)

Spectrum at load

Locked rotor current time

Deceleration test (MOI calculation)

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