How to do surge immunity test on motors with LISUN surge generator?

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The following procedures are required for conducting surge immunity testing on motors using a LISUN surge generator:

In order to prepare for the surge immunity test, the motor that will be tested (also known as the MUT) has to have its control circuits and power supply correctly attached. In addition to this, it is essential to make certain that the MUT is in a secure state and that all safety precautions have been taken.

  • The LISUN surge generator should be chosen in accordance with the voltage and current levels that are necessary for the test, as well as the sort of surge waveform that is to be created.
  • Connections: A coupling/decoupling network (CDN) and a surge arrestor are required in order to link the LISUN surge generator to the MUT power supply and control circuits. Isolating the MUT from the surge generator and lowering the amounts of voltage and current that are supplied to the MUT are two of the functions that the CDN performs. The MUT need protection against high voltage transients produced by the surge generator, and the surge arrestor fulfills this function.
  • The LISUN surge generator has to be configured so that it can create the proper surge waveform and voltage level before the surge test can begin. It is essential that the waveform, voltage level, and rise time be meticulously selected in accordance with the criteria of the applicable standard or specification, such as IEC 61000-4-5.
  • During the testing phase, the LISUN surge generator has to be turned on so that it can produce the surge waveform. Additionally, the functionality of the MUT needs to be evaluated both during and after the test. In order to verify the MUT's dependability in a variety of various surge situations, the test had to be performed an adequate number of times, if not more.
  • Evaluation: In order to establish the functionality and dependability of the MUT while subjected to surge circumstances, it is necessary to examine the results of the surge immunity test. It is necessary for the MUT to fulfill all of the prerequisites indicated in the applicable standard or specification, such as IEC 61000-4-5.
  • The findings of the surge immunity test should be documented in a report, which should include the test setup, the test results, as well as an assessment of the MUT's performance and dependability.

To summarize, surge immunity testing on motors using a LISUN surge generator requires selecting the appropriate surge generator, making the appropriate connections, carefully setting up the surge generator, monitoring the performance of the MUT both during and after the test, and evaluating and documenting the test results.

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