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What are some of the Tests performed on transformers?

Normal, routine production tests include:

  1. core loss;
  2. load loss – winding or copper loss;
  3. Impedance;
  4. hi-pot – high voltage between windings and ground;
  5. induced – double induced two times voltage.

Optional special tests include:

  1. heat run – temperature testing;
  2. Noise tests – sound level measurement;
  3. impulse tests – BIL tests:
  4. partial discharge

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