Installation and Commissioning

Overhauling

Various Testing

• > Transformer Ratio
• > Insulation Resistance and Polarization Index (PI)
• > Magnetic Balance test and Vector group testing
• > Tan-Delta Testing
• > Winding resistance
• > Oil Filtration
• > Marshalling Box simulation from Auxiliary equipment's
• > Transformer Differential Scheme testing to ensure stability and sensitivity.
• > Transformer REF Scheme testing (Stability and sensitivity)