Transformers Services
- Insulation Resistance Test (IR)
- Transformer Turns Ratio Test (TTR)
- OLTC Dynamic Resistance
- Measurement
- OLTC Timing Tests
- Polarization Index Test (PI)
- Winding Resistance Test
- No Load Current Test
- Impedance Voltage Test
- Vector Group Test
- Capacitance and Dissipation Test
- Sweep Frequency Response Analysis Test (SFRA)
- Voltage Recovery Measurement Test (VRM)
- Current Transformer Ratio
- Oil Sampling
- Oil Dielectric Strength Test
- Furans Analysis
- Copper Corrosive
- Gasket & Bushing Repair
- Dissolve Gas Analysis (DGA)
- Oil Analysis (OA)
- Magnetization Curve Test for Current Transformer
- Repair to Original Specification & Replacement Parts
- Oil Leak Repair Test by Applying 03.5Kg/Cm2 Nitrogen or Dry air
- Replacement Silica Gel
- Testing Tap Changer Operation &
- Control Circuit
- Calibration Oil Winding Temperature Indicators by Heat Sink or By Injection
- Dissipation Factor (tan δ)
- Calibration of Temperature Indicators
- Pressure Test
- All Tests for Auxiliaries of Transformer, etc