The cooling performance of transformer oil directly supplied by the transformer oil factory is outstanding

Description :

　　The cooling performance of transformer oil directly supplied by the transformer oil factory is outstanding

　　Transformer oil: It is a fractionation product of petroleum, mainly composed of compounds such as alkane, cycloalkane saturated naphthalene, and aromatic unsaturated naphthalene. According to the different components of petroleum, it can be divided into three types: paraffin based cyclic alkyl and intermediate based petroleum. Correspondingly, transformer oil refined from these three types of crude oil is also divided into three types: paraffin based, cyclic alkyl, and intermediate based transformer oil. The three main functions of transformer oil are insulation, heat dissipation, cooling, and arc extinguishing. The two secondary functions are to protect the iron core and coil components; Delaying the erosion of insulation materials by oxygen mainly plays a role in insulation, heat dissipation, and cooling in transformers, reactors, and transformers. If an arc occurs, it also has an arc extinguishing effect. The oil filled casing mainly serves as an insulation switch: it mainly functions to extinguish arcs and provide insulation.

　　The physical properties of transformer oil include appearance color, transparency, density, viscosity, flash point, pour point, interfacial tension, moisture, mechanical impurities, etc. 1. The appearance color, transparency, and density are mainly judged by the naked eye to determine the depth of the oil color and the transparency of the oil quality. Transformer oil is generally pale yellow or colorless. The lighter the color, the better its refinement level. The darker the color of the oil, the more non alkyl compounds it contains. The mass of oil per unit volume is called oil density. The density of oil is related to temperature, and it will change at different temperatures; When oil is heated, its volume expands and its density decreases, so the density measured at high temperatures is smaller than that measured at low temperatures. For the purpose of comparison, the density of general oil products is often expressed as the density at a specified temperature. In China, the standard density is defined as the density of petroleum and petroleum products at a standard temperature of 20 ℃.

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