High Voltage Circuit Breaker Tests
- Measurements of opening and closing time of main and auxiliary contacts
- Motion measurements
- Speed
- Acceleration
- Overtravel
- Rebounce
- Contact resistance measurements
- Measurements of opening and closing coils currents
- SF6 gas leakage test
- Sequence test: C-O, O-C, C-O-C, O-C-O, C-O-C-O
- Functional test of electrical and mechanical operation and interlock checking
- Insulation capacitance and dissipition factor tests
- Insulation resistance measurements
- Power frequency withstand test