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简单的变压器油质的判别方式

变压器油由于受环境污染和氧化产生的树脂和沉淀物的影响从而发生了劣化,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 due to environmental pollution and oxidation of the resin and sediment, resulting in deterioration, or in the transformer failure, will lead to changes in its appearance. It is the most basic and the most intuitionistic judgement method to judge the operation condition of transformer oil and transformer by using the external shape of oil.
良好变压器油油样用玻璃杯从变压器底部取样阀中取出少量后,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,颜色应为淡黄色。
Good transformer oil samples by the glass from the bottom of the transformer in a sampling valve to remove a small amount of sunshine after careful observation, transformer oil well should be clean and transparent, no precipitation, mechanical impurity, suspended matter and cotton like material, color should be pale yellow.
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。
山东变压器油
The oil color is brown or brown, and its acid value and water-soluble acid tend to be close to or exceed the international standard attention value. However, the chromatographic analysis has no definite regularity. Under normal circumstances, for deeper color transformer oil, it is necessary to strengthen the chemical supervision of oil testing, shortening the experimental cycle, or can not be said to be suitable for re-use. Transformer oil should be recycled so as to prevent accidents.
油样油色发暗其简化分析中,酸值和水溶性酸均严重超标。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。
Oil oil dark simplified analysis, acid and water soluble acids seriously exceed the standard. In general, the color dark, may be aging oil, no fault of power transformers.
油样油色发黑其简化分析中,闪点往往接近或低于国际标准要求的极限值。色谱分析中,氢气和乙炔组分增高也是一重要特征。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。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。
Oil oil black the simplified analysis, the flash point is often near or below the international standard requirements limit value. In chromatography analysis, the increase of hydrogen and acetylene components is also an important feature. 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. Flash point is too low, can also cause transformer fire or even explosion. The color black, and low flash point oil should be special attention.
油样浑浊发白其简化分析中,击穿电压的降低和氢气含量的增高是油样浑浊发白的两个重要特征。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 the simplified analysis of oil samples, the decrease of breakdown voltage and the increase of hydrogen content are two important characteristics of oil samples. In general, if the oil is cloudy and whitish, it is likely to be caused by moisture in the oil, which can be roughly diagnosed as internal moisture of the transformer oil. Here is a simple way to estimate whether the oil breakdown voltage of the distribution transformer is qualified or not, without the use of an oil dielectric strength tester.
取一只无色透明经过烘干的平底玻璃杯,从变压器底部取样阀中取出少量的油样,使之在玻璃杯中形成7cm高的油柱,在光线充足处,将杯底紧贴报纸,从上望下透过油柱,如能看清6号字,则该油样的击穿电压应在25kV以上。而在10kV配电变压器运行中,绝缘油的击穿电压要求不低于25kV。
A colorless and transparent after drying the tumbler, a small amount of oil sample is taken out from the transformer at the bottom of the sampling valve, so that the formation of oil column height of 7cm in the glass, in the light at the bottom of the cup will be close to the newspaper, from looking through the oil column, such as can see 6 words, breakdown voltage the oil sample should be more than 25kV. In the operation of 10kV distribution transformer, the breakdown voltage of insulating oil should be no less than 25kV.
以上就是山东变压器油http://www.jnwdsh.com为大家介绍的内容,感谢您在百忙之中查看我公司的信息内容,如果您想要了解的更多,欢迎您来电进行咨询!
The above is Shandong transformer oil http://www.jnwdsh.com for everyone to introduce the content, thank you for your busy schedule to see my company's information content, if you want to know more, welcome to call for consultation!
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