怎么从外观上分析变压器油? - 山东变压器油哪家好

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怎么从外观上分析变压器油?

发布时间2019-08-08  来源:http://www.wunqdctk.com

  变压器油可分为15种颜色。颜色有白色、浅黄色、浅黄色、黄色、深黄色、橙色、浅橙色、深橙色、橙色、橙色、浅棕色、棕色、棕色、棕色。此外,变压器油可表现为浊度白、油色黑、油色暗。一般情况下,当变压器油呈褐色或褐色时,应注意或不要再使用。变压器油呈浑浊白色,表明它含有水。油色变暗,表明变压器油绝缘老化。石油黑色,甚至有可口可乐味道,变压器内部故障,因此,通过观察变压器油的外观和颜色,可以对变压器油的质量一个想法,是否存在和变压器内部故障的初步推测,应该选择做实验项目,因此早期准确判断变压器潜伏性故障。
  Transformer oil can be divided into 15 colors. The colors are white, light yellow, light yellow, yellow, dark yellow, orange, light orange, dark orange, orange, light brown, brown, brown, brown. In addition, transformer oil can be shown as turbidity white, oil black and oil dark. Generally, when transformer oil is brown or brown, attention should be paid to it or not to use it again. Transformer oil is turbid and white, indicating that it contains water. The darkening of oil color indicates the aging of transformer oil insulation. Oil black, even Coca-Cola flavor, transformer internal faults, therefore, by observing the appearance and color of transformer oil, we can have an idea of transformer oil quality, whether there are internal faults and preliminary speculation of transformer internal faults, we should choose to do experimental projects, so early accurate judgement of transformer latent faults.
  样品分析
  Sample analysis
  1. 多云白油样品:氢含量的增加和击穿电压的降低是多云白油样品的两个重要特征。
  1. Polycloudy white oil samples: Increasing hydrogen content and decreasing breakdown voltage are two important characteristics of polycloudy white oil samples.
  一般情况下,如果油样是浑浊的白色,可能是由于油样中的水分造成的。客观地说,如果气相色谱分析发现氢含量超标,其他气体含量正常,变化不大,则可大致诊断为变压器内部的水分。同时,还应结合击穿电压进行分析。水分分析也可以添加。
  Generally, if the oil sample is turbid white, it may be caused by the moisture in the oil sample. Objectively speaking, if the gas chromatographic analysis finds that the hydrogen content exceeds the standard, the other gas content is normal and has little change, it can be roughly diagnosed as the moisture in the transformer. At the same time, the breakdown voltage should also be analyzed. Moisture analysis can also be added.
  油样中产生大量氢气的原因是水与铁的化学反应,以及水分子在高电场作用下的分解。油中水引起击穿电压下降的原因是油中水沿变压器双极面电场方向延伸,形成链状结构,破坏了油的绝缘强度。有时甚至会发生链条断裂事故。
山东变压器油
  The reason for the large amount of hydrogen in oil samples is the chemical reaction between water and iron and the decomposition of water molecules under high electric field. The reason for the decrease of breakdown voltage caused by water in oil is that the water in oil extends along the electric field direction of the transformer bipolar plane, forming a chain structure and destroying the insulation strength of oil. Sometimes even chain breaking accidents occur.
  2. 油样呈褐色或褐色,其酸值和水溶性酸基本接近或高于国家标准。但其色谱分析没有一定的规律性。
  2. Oil samples are brown or brown, and their acid value and water-soluble acid are close to or higher than national standards. But its chromatographic analysis has no certain regularity.
  一般而言,应加强对深色变压器油的化学监测试验。或者它不应该被再次使用。变压器油应再生,防止事故发生。
  Generally speaking, the chemical monitoring test of dark transformer oil should be strengthened. Or it should not be used again. Transformer oil should be regenerated to prevent accidents.
  3.油样黑色:根据其气组分含量和三比值,属于正常老化现象。
  3. Oil black: It belongs to normal aging phenomenon according to its gas content and ratio.
  分析中酸值和水溶性酸值严重超标,油品中酸值的增加可视为油品老化现象测定的明显标志。
  The acid value and water-soluble acid value in the analysis exceeded the standard seriously. The increase of acid value in oil products can be regarded as an obvious indicator of the aging phenomenon of oil products.
  4、油黑:增加氢和乙炔组分是重要特征。变压器因碳化而变黑。导致氢和乙炔含量显著升高。不建议使用黑油。
  4. Oil black: Increasing hydrogen and acetylene components is an important feature. The transformer is blackened by carbonization. The content of hydrogen and acetylene increased significantly. Black oil is not recommended.
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