MTekpro Technologies Private limited ::
B - 229, Greater Kailash N D-110048

+91 9810703882

Mon - Sat 8:30 AM - 7:00 PM

POWER TRANSFORMERS

POWER TRANSFORMERS AND OIL.

RECOMMENDED TEST AS PER IEC.

Winding

  • Turn Ratio/Voltage Ratio, Vector Group and Polarity Measurement.
  • Insulation Resistance and Polarization Index Measurement at recommended test voltage.
  • Capacitance and Tan delta Measurement.
  • SFRA (Sweep Frequency Response Analysis) Test.
  • Magnetic Balance test and magnetizing current.
  • Excitation Current Measurement at 10 kV or Uo Voltage whichever is less.
  • % Impedance Measurement at low voltage.
  • DC Winding Resistance Measurement at 1A /40A DC constant source.

 

Bushing

  • Capacitance & Tan delta Measurement.
  • C1 Insulation at 10 kV or Uo Voltage whichever is less.
  • C2 Insulation at 0.5 kV or 1 kV.

 

Insulating Oil

  • Visual Inspection.
  • Oil Tan delta Measurement .
  • Oil Dielectric constant Measurement.
  • Oil Resistivity Measurement.
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