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变压器油影响因素及有效管理

变压器油影响因素
Transformer oil; influence factor
变压器的设计、新油的质量、变压器的运行工况等多种因素都可能影响运行中变压器油的性能。
The design of transformer, the quality of new oil and the operation condition of transformer may affect the performance of transformer oil in operation.
山东变压器油变压器的设计对运行中变压器油性能的影响:变压器线圈匝间距离及高、低压线圈间的距离的大小关系到变压器电厂强度,而电场强度的高低影响变压器油的氧化安定性;变压器身的大小影响变压器的装油量;冷却方式的设计直接关系到变压器油的运行温度和循环速度,从而影响变压器的氧化安定性和电气性能。
Design - transformer effect on the performance of transformer oil in operation: coil windings of the transformer, high voltage coil distance and the distance between the transformer power plant size in relation to the strength, and the strength of electric field affects the transformer oil oxidation stability; transformer body size affect the loading amount of transformer cooling design directly related; to the operating temperature and the circulation velocity of transformer oil, thus affecting the oxidation stability of transformer and electrical properties.
● 新油的质量:推荐使用高品质的变压器可以保证较长的使用寿命,建议向油品供应商索要产品合格证,并进行采样以验证所购油品的典型质量数据,同时保留这些初始数据以便于运行期间采样的数据进行比对,这对于判断油品的变化趋势非常重要。当心购进的变压器油需要与原有不用的油品混合使用时,应严格按GB/T14542《运行中变压器油维护管理导则》要求进行混油试验,混油试验通过后方可使用。
The quality of new oil: recommended transformer using high quality can ensure long service life, ask for advice to the oil supplier product certification, and the quality of the typical sampling data to verify the purchase of oil, while retaining these initial data during the sampling period in order to run the data, it is very important for judging the trend of oil. Beware of buying oil mixed with the original transformer oil need not use, should be strictly in accordance with the "GB/T14542" management guidelines for transformer oil maintenance requirements for oil blending test run, oil blending test before use through.
山东变压器油
● 变压器运行工况对运行中变压器油性能的影响:影响运行中变压器油性能最重要的因素是变压器的运行工况。变压器的运行温度过高、局部高温过热、局部放电和漏气等均会加速变压器的热氧化反应,从而进一步影响变压器油的电器性能。
The influence of transformer operation condition on the performance of transformer oil in operation: the most important factor that affects the transformer oil capacity is the operation condition of transformer. Transformer operating temperature is too high, local high temperature overheating, partial discharge and leakage will accelerate the thermal oxidation of transformer, thereby further affecting the transformer oil electrical performance.
变压器油有效管理
Effective management of transformer oil
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).
所以变压器油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。
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.
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