buchholz relay
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The Buchholz Relay is one of the essential protective devices to protect equipment such as the 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.
Oil Operated Buchholz Relay
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Castings treated against porosity through a special process. Unique internal design of 'housing' prevents false air traps on top of the relay. Well designed internal layout gives clear view of colour of gas inside the relay through glass window for fault analysis. Bucket type float design with inherent ability to withstand vacuumtreatment of transformers. Built in test facility for checking continuity of both Alarmand Trip circuits. Anti-vibration custom built mercury switches give high stability against mechanical shocks and vibrations. ATVUS relays are approved by most of the consultants, Power Projects and Electricity Boards in India.
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buchholz relay
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buchholz relay, winding temperature indicator