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The Buchholz Relay -Principle, construction and operation

10K views · Nov 16, 2023
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This video is about operation and construction of Buchholz relay. Principle of buchholz relay Any fault occurring inside an oil immersed transformer is accompanied by decomposition of transformer oil into gases. Working of Buchholz relay Buchholz relays are protection equipment used in oil immersed transformers. It is used to sense the faults occurring in the transformer winding and core such as inter-turn faults, short circuits, earth faults, overheating of the core, oil leakage etc occurring inside a transformer. Basically, a Buchholz relay is an oil actuated relay. It gives an alarm or trips the input supply based on the level of oil inside it. It also responds quickly to the unusual oil flow from the transformer main tank to the oil conservator. Buchholz relays is a protection and monitoring equipment not only for transformers but also for oil immersed chokes with an oil conservator. www.electricalclassroom.com/buchholz-relay-buchholz-relay-principle-html/ More: http://www.electricalclassroom.com/ Like our facebook page: https://www.facebook.com/electricalclassroom/ Follow us on Twitter: https://twitter.com/Electricclassro Follow us on Google: https://plus.google.com/+Electricalclassroompage
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