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变压器油有效管理

变压器油的特殊性之一是外界微量杂质(如水分、尘埃、纤维、表面活性物质等)的侵入将明显改变油的电器绝缘能力(如耐电压下降、介质损耗因数升高等),这就要求生产、运输、储存要有特别措施。
Special transformer oil is one of the external impurities (such as moisture, dust, fiber, surfactant etc.) will significantly change the electrical insulating oil invasion ability (such as high voltage drop, dielectric loss factor, higher) which requires the production, transportation and storage should have special measures.
特殊性之二是它被加入到变压器中后要与各种固体绝缘材料和其它构件的表面相接触,变压器油的组分与各种固体绝缘材料(如清漆、纸板、橡胶、油漆、粘合剂等)相容性如何,也将改变油的电器绝缘性能,这就要求变压器生产商要对所有在变压器内部使用的材料弄清是否与变压器油有相互溶解性(有溶解性则油质变差),固体绝缘材料是否清洁干燥(微量水分会在油和固体绝缘材料之间吸入与放出、尘埃会影响耐电压与介损)。
Special two is it was added to the transformer after the surface with a variety of solid insulation materials and other components of the contact, transformer oil components and a variety of solid insulating materials (such as varnish, cardboard, rubber, paint, adhesives, etc.) will also change the compatibility, oil and electrical insulation properties, it is for transformer manufacturers to use in all transformer materials and find out whether the transformer oil is mutual solubility (solubility, oil variation), solid insulating material is clean and dry (trace water in oil and solid insulation material between suction and discharge, dust will affect the voltage resistance and dielectric loss).
所以济南变压器油厂家的管理不仅仅是油品生产商的事,它贯穿销售及使用全过程。生产、运输、储存、装卸过程中使用的容器、储罐、管线、泵浦乃至采样器、样品瓶等都要达到三个字的要求——“专、干、净”。专就是专用;干就是干燥;净就是洁净。不遵“三字经”,企业损失巨大。
济南变压器
Therefore, the management of transformer oil is not only a matter of oil producers, it runs through the entire process of sales and use. Production, transportation, storage, loading and unloading process used containers, tanks, pipelines, pumps and even samplers, sample bottles, etc., must reach three words requirements - "special, dry, net."". For special purposes; dry is dry; clean is clean. According to the "Three Character Classic", huge business losses.
变压器油的成份是很复杂的,主要是由环烷烃、烷烃和芳香烃构成,变压器油它的相对介电常数ε在2.2-2.4之间,纯净的变压器油的耐电强度是很高的,可达4000kV/cm以上,但是工程上用的净化的变压器油,只能达到50~60kV/2.5mm,这主要是因为在制造和运行过程中不可避免地会有杂质、水分、气泡等混入,而且在运行中受电场和热的影响,油会分解出气体和聚合物。在高电场中,这些分解出来的气体,以及油中的水分和纤维等杂质,在电场作用下,顺着电场方向,排列成“小桥”,成为泄漏的通道,情况严重时,导致“小桥”击穿,使油的耐压强度降低。因此,变压器内部绝缘的结构,要考虑上述因素,采取必要措施,防止形成“小桥”。
Transformer oil composition is very complex, which is mainly composed of alkanes and cycloalkanes, aromatics, transformer oil and its relative dielectric constant between 2.2-2.4, transformer oil pure dielectric strength is very high, can reach more than 4000kV/cm, but works with the purification of transformer oil, only at 50 ~ 60kV / 2.5mm, this is mainly because there are impurities, moisture, air bubbles mixed inevitably in the manufacturing and operation process, and in the operation of electric field and thermal decomposition of gas and oil, polymer. In high electric field, the decomposition of the gas, and the oil in the water and fiber and other impurities in the electric field, the electric field along the direction, arranged in a "bridge", a leakage channel, in serious cases, lead to "bridge" breakdown, to reduce oil pressure strength. Therefore, the structure of transformer internal insulation should take into account the above factors, take necessary measures to prevent the formation of "small bridge"".
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