Electrical Transformer Maintenances services.
- Periodic Maintenance
- Verify the bushings and transformer interiors are clean.
- Replacement Silica gel
- Verify correct liquid level in tanks and bushings.
- Check on Tap-Changer Mechanism
- Inspect physical and mechanical condition. Check for damaged or cracked insulators and leaks.
- Inspect anchorage, alignment, and grounding.
- verifying tightness of accessible bolted electrical connections
- Verify the presence of transformer surge arresters.
- Check on Mechanical Protection.
- Check on Temp. Protection.
- Oil Leakage Tr. Treatment.
- Treatment Leakage oil in Buchholz and replacement gasket if require..
- Treatment Leakage oil in Insulator and replacement gasket if require.
- Treatment Leakage oil in Radiator Flanges.
MEDIUM VOLTAGE STATIONS TESTS
Triple M provides a variety of electrical tests, oil analysis, switchgear tests, and protection relay tests that are carried out by experienced and highly qualified experts and engineers with the latest equipment.
Transformer Tests
Electrical Tests
- Insulation Resistance Test
- Polarity & Phase Rotation Check
- D.C Winding Resistance Test
- Ratio & Vector Group Test
- Capacitance and Tan Delta Measurement at Low Voltage
- Cooler Fans Test
- Measurement of Short-circuit Impedance and load loss & Voltage Ratio Test & Magnetization Current Test
- Capacitance and Tan Delta Measurement at High Voltage
- Oil Purification & Oil Filling
- Mechanical Protection
-
Visual Inspection
Oil Analysis
Dissolved Gas Analysis for Transformer Oil
- Hydrogen (H2)·
- Oxygen (O2)
- Nitrogen (N2)
- Carbon Dioxide (CO2)
- Ethylene (C2H4)
- Ethane (C2H6)
- Acetylene (C2H2)
- Propane (C3H8)
- Propylene (C3H6)
- Methane (CH4)
- Carbon Monoxide (CO)
Chemical Analysis for Transformer Oil
- Color and visual
- Sludge replace with impurity
- Density 15.5M
- Moisture Content
- Acid Number
- Flash Point
- Dielectric Strength (Breakdown Voltage)
- Viscosity Kinematic
- Interfacial Tension (IFT)
- Power Factor
- Color corrosion
- Furan