Transformer oil, also known as square shed oil, as its name suggests, transformer oil is a kind of oil products mainly because it is mainly used in transformers. Transformer oil is a product of petroleum after fractional distillation. It is a transparent liquid of light yellow and light yellow. Its main components are alkanes, naphthenic saturated hydrocarbons and aromatic unsaturated hydrocarbons. The relative density of transformer oil is relative density 0.895, which has lower freezing point, and can be solidified at lower temperature of -45.
Transformer oil plays an irreplaceable role and function in transformer. In order to ensure the normal operation of transformer, it is necessary to ensure that the transformer oil used and purchased is qualified product. Therefore, in order to buy qualified transformer oil, should choose to buy regular manufacturers of transformer oil, and at the time of purchase or check the product certification and other quality certification materials.
The basic function of transformer oil in transformers is to assist heat dissipation and cooling. The viscosity of transformer oil will directly affect its heat dissipation. In addition, the lower density transformer oil will be easier to deposit the transformer oil contains moisture and impurities, to ensure the quality of transformer oil.
In general, transformer oil will inevitably contain acid, alkali, sulfur, ash and other impurities, and these impurities will make the transformer oil caused by different degrees of corrosion on the internal wire, transformer oil tank in the process of using. In order to ensure the service life of the transformer, the clean transformer oil should be purchased as much as possible.
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