The Buchholz relay is a safety device mounted on oil-filled transformers to detect faults that occur inside the transformer tank. It is a gas-actuated relay, meaning it detects the accumulation of gas within the transformer. Its function is to provide early warning of developing faults, allowing for corrective action before major damage occurs. The Buchholz relay is typically positioned in the pipe connecting the transformer tank to the conservator tank. The conservator tank is a small tank mounted above the main transformer tank that allows for the expansion and contraction of the oil due to temperature changes. The Buchholz relay contains two floats or hinged buckets. The upper float is designed ....
Log in to view the answer
