A. Conservator
B. Breather
C. Bushings
D. Buchholz relay
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A. Conservator
B. Breather
C. Bushings
D. Buchholz relay
A. Conservator
A. Conservator: It is a cylindrical tank mounted on top of the transformer. Its main function is to accommodate the changes in the volume of transformer oil caused by changes in temperature. The conservatory is connected to the main transformer tank by a pipe called the conservator pipe.
B. Breather: It is a device that allows air to enter and exit the transformer tank as the oil temperature changes. This prevents the build-up of pressure or vacuum inside the transformer tank.
C. Bushings: They are devices that provide an electrical connection between the transformer and the transmission lines. They are typically made of porcelain or composite material and have high dielectric strength.
D. Buchholz relay: It is a safety device that is installed in the pipe connecting the transformer tank and conservator. It monitors the oil level and temperature changes in the transformer and provides an alarm or trip signal in case of any abnormal condition