Vacuum Circuit Breaker (VCB)
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A Vacuum Circuit Breaker (VCB) is a switching device that can turn electrical equipment or circuits on and off, either manually or automatically, in normal or emergency situations. VCBs are designed for medium voltages of over 1 kV and work by quenching electric arcs.
Some fundamental tests for high voltage circuit breakers include:
- Main circuit dielectric test
- Main circuit resistance test
- Auxiliary and control circuit tests
- Tightness tests
- O-C timing test
- Coil resistance test
- DCRM test
- Travel tests
Description
A Vacuum Circuit Breaker (VCB) is a switching device that can turn electrical equipment or circuits on and off, either manually or automatically, in normal or emergency situations. VCBs are designed for medium voltages of over 1 kV and work by quenching electric arcs.
Some fundamental tests for high voltage circuit breakers include:
- Main circuit dielectric test
- Main circuit resistance test
- Auxiliary and control circuit tests
- Tightness tests
- O-C timing test
- Coil resistance test
- DCRM test
- Travel tests
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