Commissioning and maintenance tests in low-, medium- and high-voltage substations.

Testing, diagnostic and troubleshooting capabilities for transformers, motors, cables and medium-voltage cells.

Main Services

  • Medium- and high-voltage protections.
    • Commissioning and maintenance tests.
  • Ground grids.
    • Soil resistivity measurements.
    • Grounding system resistivity measurements.
    • Touch and step voltage measurements.
  • Electrical Tests in General.
    • Energy quality, records and analyses.
    • Commissioning and maintenance tests of power transformers.
      • Tan δ.
      • Partial discharges.
      • Transformation ratio.
      • Insulation measurements.
      • Impedance measurements.
    • Commissioning and maintenance tests of voltage transformers.
      • Ratio in magnitude and phase. Polarity.
      • Capacitance.
      • Tan δ.
      • Partial discharges.
      • Burden measurement.
      • Insulation measurements.
      • Winding resistance measurement.
    • Commissioning and maintenance tests of current transformers.
      • Ratio in magnitude and phase. Polarity.
      • Capacitance.
      • Tan δ.
      • Partial discharges.
      • Burden measurement.
      • Insulation measurements.
      • Winding resistance measurement.
      • Saturation curve.
    • Commissioning and maintenance tests of medium-voltage cables.
      • VLF or DC.
      • Live meggering and outer sheath.
      • Oversheath fault location.
      • Location of cable traces.
      • Partial discharges.
    • Commissioning and maintenance tests of medium-voltage cells.
      • Applied voltage at utility frequency 50Hz.
      • Functionality.
      • Contact resistance.
      • Partial discharges.
    • Generators.
      • Insulation measurement.
      • Partial discharges.
    • Solar panels.
      • I-V curves.