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闪点过低也会导致变压器发生火灾

  用玻璃杯从变压器底部取样阀中取出少量变压器油油样后,对着阳光仔细观察,良好的变压器油应该是清洁而透明的,不得有沉淀、机械杂质、悬浮物质及棉絮状物质。

  With a glass from the bottom of the transformer in a sampling valve remove a small amount of transformer oil samples after the sun, careful observation, good transformer oil should be clean and transparent, no precipitation, mechanical impurity, suspended matter and cotton wool material.

  变压器油在使用过程中会受环境污染和氧化产生的树脂和沉淀物的影响从而发生劣化,或是在变压器有故障时,均会导致其外状发生改变。利用油的外状对变压器油及变压器的运行状况做出判断分析是一种最基本、最直观的判断方法。

  Transformer oil will be deteriorated by the environmental pollution and the resin and sediment produced by oxidation during operation, or it will lead to the change of outer shape when the transformer fails. It is the most basic and most intuitive method to judge the operation status of transformer oil and transformer by using the external oil.

  一、若油样颜色为棕色或褐色,其酸值和水溶性酸往往接近或超过国际标准注意值,但是,其色谱分析没有一定的规律性。一般情况下,对于颜色较深的变压器油,应加强油的化学监督试验,缩短实验周期,或者可以说,就不适宜再用了。应对变压器油进行再生处理,以防止事故的发生。。一般情况下,油色发暗,则可能为油的老化现象,变压器内部无故障。
山东变压器油

  First, if the oil sample is brown or brown, its acid value and water soluble acid tend to be close to or exceed the international standard, but its chromatographic analysis is not certain. Generally speaking, for the transformer oil with deep color, we should strengthen the chemical supervision test of the oil, shorten the experimental period, or we can say that it is not suitable for reuse. The transformer oil should be regenerated to prevent the accident. In general, the color dark, may be aging oil, no fault of power transformers.

  一般情况下,油色发黑可判断为变压器内部可能存在放电现象或是放电兼过热现象,变压器油因变压器固体介质的炭化而变黑,放电严重时会造成设备烧毁,甚至发生爆炸事故。

  In general, black color can be judged as possible transformer internal discharge phenomenon or discharge and overheating, transformer oil for transformer carbonization of solid medium and black, discharge can cause severe burning equipment, and even explosion.

  闪点过低也会导致变压器发生火灾,甚至爆炸。对于油色发黑,且闪点过低的油应特别引起注意。

  A low flash point can also cause a transformer to fire, or even explode. The color black, and low flash point oil should be special attention.

  一般情况下,如果油样浑浊发白,则很可能是油中含有水分造成的,可大致诊断为变压器油内部进水受潮。这里有一个简易方法来大概得知配电变压器油击穿电压值合格与否,而无需用油的介电强度测定仪来判断。

  In general, if the oil samples are cloudy and white, it is likely to be caused by water in the oil, and can be roughly diagnosed as moisture in the internal water of the transformer oil. Here is a simple method to determine whether the breakdown voltage of the distribution transformer oil is qualified or not, and it is not necessary to judge the dielectric strength tester of oil.

  本文的精彩内容来自山东变压器油详细内容请点击我们的官方网站:http://www.jnwdsh.com谢谢您的到来!

  The wonderful content of this article comes from the detailed content of Shandong transformer oil, please click on our official website: http://www.jnwdsh.com thank you for your arrival!

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