Buchholz Relay

Buchholz Relay is one of the most essential protective devices to protect equipment such as transformer, capacitors, on-load tap changers, etc. It detects abnormal working of the components inside the equipment and consequently minimizes the spread of any damage to the equipment active part by disconnecting faulty apparatus before large scale damage occurs to the apparatus or other connected apparatus.

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Detailed Description for Buchholz Relay

A relay is an electrically operated switch. Many relays use an electromagnet to mechanically operate a switch, but other operating principles are also used, such as solid-state relays. Relays are used where it is necessary to control a circuit by a low-power signal, or where several circuits must be controlled by one signal.

Buchholz relay is a safety device mounted on some oil-filled power transformers and reactors, equipped with an external overhead oil reservoir called a "conservator". The Buchholz relay is used as a protective device sensitive to the effects of dielectric failure inside the equipment.

Features:

·         Tough construction

·         Rust-proof

·         Require less maintenance

·         Easy to operate

·         Rugged design

·         Finest finish

·         Sturdy structure

·         Rust proof

·         Durability

·         Unique internal design of housing prevents false air traps on top of the relay

·         Bucket type float design with inherent ability to withstand vacuum treatment of transformers

·         Built in test facility for checking continuity of both alarm and trip circuits

 

Application:

·         Used as a protective device sensitive to the effects of dielectric failure inside the equipment

 

 


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