What precautions used when buchholz relay operate?

When a Buchholz relay operates, several precautions are taken to ensure safety and proper functioning. First, the system is usually de-energized to prevent electric shock or equipment damage. Additionally, visual inspections are conducted to identify any signs of leaks or faults in the transformer. Finally, maintenance personnel may use personal protective equipment (PPE) and follow established procedures to safely address the cause of the relay operation.