- Visual Inspection of the Breaker
- Timing of Main and PIR Contacts
- Bounces of Main and PIR Contacts
- Coil Current Characteristics
- Coil Resistance Measurement
- Breaker Mechanism Travel Measurement
- Over Travel of the Breaker Mechanism
- Static Contact Resistance Measurement
- Dynamic Contact Resistance Measurement (DCRM)
- Dew Point Measurement
- C & tan Delta of grading capacitors
- Insulation resistance measurement
- Exciting/Magnetising current measurement
- Earth pit resistance measurement
- Winding Resistance measurement
- Transformer Turns Ratio
- Bushing C&Tan Delta
- Winding C&Tan Delta
- Vector Group & Polarity
- Magnetic Balance test
- Dissolved Gas Analysis (DGA) of oil sample
- Frequency Response Analysis measurement
Polarity test- Ratio test
- Magnetization characteristics
- Insulation resistance measurement
- DGA test of CT oil
Polarity test- Ratio test
- Insulation resistance measurement
- MILLIVOLT Drop test
- 40 operation test
Third Harmonic Resistive Current (THRC)- IR measurement of each stack
- Various types of relay testing
- Scheme Checking
- Relay Co-ordination
- Logic Testing
- Insulation resistance measurement
Cable Fault Location- Underground Cable Testing and Fault Location
- Cable Identification
- Cable Route Tracing
Identifying hot spots by using Infra-Red Thermography
Earth resistance measurement- Primary injection