Traditional Culture Encyclopedia - Traditional festivals - What are the common faults in high voltage distribution room?

What are the common faults in high voltage distribution room?

Electrical faults: fault tripping, accident tripping, relay protection action, DC system faults (such as DC grounding), signaling faults, and so on

Mechanical faults: mechanical problems with the equipment, such as the linkage of the knife gate, poor contact with the contacts of the relay, and so on

That's all that comes to mind for now.