- Transformer Stability Test
- Tan Delta Test |Loss Angle Test |Dissipation Factor Test (Tanδ)
- Variable Frequency
- Capacitance factor tan delta of Bushing
- Sweep Frequency Response Analyzer Test (SFRA)
- Dielectric Frequency Response Analysis Test (DFRA)
- Winding Resistance Measurement
- Transformer Turn Ratio (TTR)
- Insulation Resistance
- Calibration Test of Gauges by SEC current injection
- Excitation Current Test
- Magnetic Balance Test
- Demagnetization of Transformer Winding
- Functional Testing of Transformer’s Protective Devices
- Pressure Test of Transformer
- Break Down Voltage Test (BDV)
- Bus bar stability test
- Ct secondary injection
- Circuit breaker trip test
- Dissolved Gas Analysis
- Zero-sequence impedance
- No load test/Open Circuit test
- Vector Group verification test
- Measurement of impedance voltage/short circuit impedance (principal tap) and load loss
- Short circuit test
- Measurement of zero-sequence impedance of three-phase transformers Short-circuit test
- Measurement of acoustic noise level
- Function preparation for TAPCHANGER (OLTC) panel
- On loadand off load TAP CHANGER testing
- Protection and auxiliary relays testing
- Capacitor banks complete testing
- Power frequency over voltage with stand test
- Dielectric test on auxiliary circuit and control circuit
- Measurement of resistance of main circuit or contact resistance test
- Tightness testor SF6 gas leakage test
- Design and visual checks
- Mechanical operation tests
- Circuit breaker timing test