Electrical Test

Electrical tests

INGETRAF provides the electrical testing field service transformers; a team of skilled technicians and engineers performed tests in accordance with the standards IEC, ANSI, IEEE, etc.

The electrical tests on field are:

  • Transformer Turn Ratio in the all positions
  • Insulation resistance test
  • Winding resistance in the all positions
  • Power Factor for the windings
  • Hot collar tests in the bushings
  • Excitation currents
  • Sweep Frequency Response Analysis (SFRA)
  • Current transformer ratio, polarity and excitation measurements

Other services that INGETRAF can provide on field are:

  • Oil samples for analysis.
  • Take samples and identification of Paper for Grade of Polymerization assays and studies of life expectancy.

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