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Answer: A Buchholz relay is a safety device used in oil-filled power transformers and reactors to detect faults such as gas accumulation, oil leakage, or overheating. It protects these equipment by triggering alarms or disconnecting them from the power supply in case of a fault. Reasoning: A Buchholz relay is …
Read More »What is Buchholz relay? Which equipment is protected by it?
