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What is Buchholz relay? Which equipment is protected by it?

March 17, 2018 by

DWQA Questions › Category: Switchgear and Protection › What is Buchholz relay? Which equipment is protected by it?
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admin Staff asked 5 years ago
1 Answers
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admin Staff answered 5 years ago

Answer: Buchhols relay is one of the most important equipment used in power system. It is simply a gas actuated relay.
Generally, Buchholz relay is used for the protection of power transformer of reading exceeding 500 KVA. It provide protection against internal faults of transformer.

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