An oil-immersed transformer with explosion-proof protection structure

Abstract

The invention discloses an oil-immersed transformer with an explosion-proof protection structure, which belongs to the field of oil-immersed transformers. An oil-immersed transformer with an explosion-proof protection structure can work for a long time on the main body of the oil-immersed transformer, causing its internal When the transformer oil is in a state of high temperature and high pressure, the pressure of the transformer oil will be concentrated to the connection between the main body of the oil-immersed transformer and the explosion-proof protection pot, and the movable sealing plug will be destroyed, and the high-voltage transformer oil will be discharged into the protection pot , to ensure the safety of the oil pressure in the main body of the oil-immersed transformer, so as to protect the oil-immersed transformer and make it less prone to high-voltage burst accidents, and to prevent the pressure of the transformer by controlling the pressure release point of the transformer oil in the oil-immersed transformer under high temperature and high pressure. The overall explosion is not easy to cause the transformer oil to splash along with the transformer explosion fragments, it is not easy to cause harm to the human body, it is not easy to induce fire, and it is not easy to cause serious casualties.

Description

technical field [0001] The invention relates to the field of oil-immersed transformers, in particular to an oil-immersed transformer with an explosion-proof protection structure. Background technique [0002] Oil-immersed transformer is a transformer that uses petroleum liquid as a sealing and heat-conducting medium. Compared with dry-type transformers, the cost of oil-immersed transformers is low, and due to the protective effect of transformer oil, the heat generated in oil-immersed transformers It is not easy to accumulate, which is convenient for the transformer to dissipate heat. At the same time, its internal coil and other working structures are not easy to be oxidized due to high temperature during the working process, and the cost of use is also much lower than that of dry-type transformers. [0003] However, oil-immersed transformers are generally used in outdoor open areas with fewer people, and dry-type transformers with higher safety performance are generally us...

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Problems solved by technology

[0003] However, oil-immersed transformers are generally used in outdoor open areas with fewer people, and dry-type transformers with higher safety performance are generally used in densely populated indoor areas. This is because after long-term high-temperature operation of oil-immersed transformers, The temperature and pressure of the transformer will rise, which will easily cause partial rupture of the oil-immersed transformer. Once the transformer oil, which is flammable and highly polluting, is splashed with the explosion of the transformer, it will easily cause environmental pollution. The transformer is easy to cause irreversible damage to the skin. What's more, once the above-mentioned transformer is ignited, it is easy to induce a large fire and cause serious casualties

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