Unitised Sub-Station |
Dry Type Transformer |
Oil Type Transformer With OLTC |
Contact Resistance for VCB Servicing of Air Circuit Breaker Temperature Scanner Calibration Insulation Resistance Measurement Winding Resistance Measurement Ventilation Fans checks Hardware checks Physical Inspection of winding insulation for tracking Noise level checks Tightness checks Cleaning of Winding Protection Relay setting in HT & LT Emergency Push Button checks |
Insulation Resistance Measurement Winding Resistance Measurement Temperature Scanner Calibration Ventilation Fans Checks Hardware Checks Physical Inspection of winding Insulation for Tracking Noise level Checks Tightness Checks Cleaning of Winding Protection relay setting in HT< Emergency Push Button Checks Painting |
Transformer Oil Filtration Protection Checks on Control Circuit Cleaning of Conservator Tank Testing of Bucholz Relay Testing of Oil Surge Relay Servicing of On Load Tap Changer Operation checks for on load tap changer Arresting of Oil Leakage Cleaning for view Glass Painting of Transformer Terminal tightening Checks for HT< Recharge of Silicagel Breather Insulation Resistance Measurement Winding Resistance Measurement |