Winding

• Insulation Resistance and Polarization Index Measurement

• Capacitance and Tan delta Measurement 

• Partial Discharge Measurement

• Magnetic Balance test

• Vector Group 

• Turns Ratio Measurement

• SFRA (Sweep Frequency Response Analysis Test)

• Excitation Current Measurement

• % Impedance Measurement

• DC Winding Resistance Measurement

  Bushing

• Insulation Resistance Measurement

• Capacitance & Tan delta Measurement (C1 and C2 insulation)

  Insulating Oil

• Visual Inspection 

• Oil Tan delta Measurement 

• Oil Dielectric constant Measurement

• Oil Resistivity Measurement

• Oil Breakdown Voltage Measurement