High Voltage Circuit Breaker Diagnostics

The aim of the circuit breaker diagnostics is maintenance philosophy change from time-based maintenance to maintenance based on the condition of the concrete circuit breaker.

Diagnostics tests and measurements are conducted on a network-isolated circuit breaker which is short-circuited and grounded on one side, as shown on the image below.

Field tests include diagnostic tests of HV circuit breakers, switchgear and controlgear, metal-enclosed SF6 switchgear and controlgear and metal-enclosed busbars.

High voltage circuit breaker diagnostics includes the following tests:

 



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