ELECTRICAL TESTING

Transformers

• Dissipation / Power Factor Measurement Winding / Bushing
• Insulation Resistance
• Dielectric response analysis
• Winding / Dynamic Resistance (OLTC / DETC)
• Transformer Turn Ratio / Vector Group
• Excitation Current
• Short Circuit Impedance / Leakage Reactance
• Demagnetization
• Partial Discharge Measurement

SWITCHYARD MAINTENANCE & Protection testing

• Generator Protection
• Cleaning & Maintenance of HV Equipment
• Tightening of Loose Connections after Thermograph
• Replacement of Equipment
• Earth Integrity Check
• Earth Resistance Check
• Transformer Protection
• Motor Protection
• Distribution Feeder Protection
• Network Protection
• Transmission Line Protection

COMMISSIONING SERVICES

• HV & LV Switchboards
• Secondary Injection of Protection Relays
• Calibration of Transducers
• Primary Injection of Current Transformers
• Insulation Resistance Tests
• Testing of High Voltage Equipment
• Transformer Winding Resistance Testing
• Cable and Cable Fault Locating
• Automatic Voltage Regulator Tests
• Partial Discharge and Corona Detection & Fault Finding
• Power Transformer Testing

CIRCUIT BREAKERS (MV/HV/GIS)

• Timing Tests
• Contact Resistance
• Under Voltage Condition Test
• Minimum Pick-up Test
• % SF6
• Dew-Point Temperature
• SF6 by Products
• Cleaning / Greasing / Overhauling
• SF6 Leak Detection