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凝固点是判断变压器油标准的渠道

  当变压器油的凝固点不高于-10℃时(90年修订为倾点-7℃),就是10#变压器油;当凝固点不高于-25℃时(90年修订为倾点-22℃),就是25#变压器油;当凝固点不高于-45℃时,就是45#变压器油。

  When the freezing point of transformer oil is not higher than -10 degrees (90 years for revision of pour point -7 C), 10# is the transformer oil; when the freezing point is not higher than -25 degrees (90 years for revision of pour point -22 C), 25# is the transformer oil; when the freezing point is not higher than -45 DEG C, 45# transformer oil.

  当采用中间基或石蜡基原料经酮苯脱蜡-溶剂精制-白土补充精制后,凝固点达到低于-25℃时,就作为25#变压器油;当采用环烷基油作为变压器油原料时,则无须进行酮苯脱蜡就可由常压蒸馏直接得到凝固点低于-45℃的变压器油原料。

  When using the intermediate base or paraffin based raw materials by MEK dewaxing solvent refining clay finishing, freezing point below -25 DEG C, as 25# transformer oil; when using naphthenic oil as raw material of transformer oil, requires no ketone benzene dewaxing can be directly obtained by distillation is lower than the freezing point of transformer oil the raw materials of -45 DEG C.
山东变压器油

  (1) 绝缘作用 变压器油具有比空气高得多的绝缘强度。绝缘材料浸在油中,不仅可提高绝缘强度,而且还可免受潮气的侵蚀。

  (1) insulation transformer oil has much higher insulation strength than air. The insulating material is soaked in oil, not only to improve the insulation strength, but also to avoid the erosion of moisture.

  (2) 散热作用 变压器油的比热大,常用作冷却剂。变压器运行时产生的热量使靠近铁芯和绕组的油受热膨胀上升,通过油的上下对流,热量通过散热器散出,保证变压器正常运行。

  (2) the heat dissipation transformer oil has a large specific heat, which is often used as a coolant. During the operation of the transformer so that the heat generated near the core and winding up by the thermal expansion of the oil, oil on the convection heat radiator through the shed, to ensure the normal operation of the transformer.

  (3) 消弧作用 在油断路器和变压器的有载调压开关上,触头切换时会产生电弧。由于变压器油导热性能好,且在电弧的高温作用下能分触了大量气体,产生较大压力,从而提高了介质的灭弧性能,使电弧很快熄灭。

  (3) arc suppression is produced when the arc is switched on the voltage switch of the oil circuit breaker and the transformer. Due to the good thermal conductivity of transformer oil and the high temperature of the arc, a large amount of gas can be touched and a large pressure is generated, which improves the arc extinguishing performance of the medium and extinguishes the electric arc quickly.

  (4) 氧化程度不能太高。氧化程度通常用酸价表示,它指吸收1克油中的游离酸所需的氢氧化钾量(毫克)。

  (4) the degree of oxidation is not too high. The degree of oxidation usually expressed in acid value, it refers to the amount of absorption of potassium hydroxide free acid 1 grams oil required (mg).

  (5) 安定度不应太低,安定度通常用酸价试验的沉淀物表示,它代表油抗老化的能力。

  (5) the degree of stability should not be too low, stability usually test sediment acid value, which represents the ability of anti ageing oil.

  以上便是山东变压器油今天的分享,您还满意吗,欢迎关注我们的网站:http://www.jnwdsh.com并且关注我们的产品,我们将为您提供优良的产品,衷心的愿与您建立合作关系。

  The above is today's sharing of Shandong transformer oil. Are you satisfied? Welcome to our website: http://www.jnwdsh.com and pay attention to our products. We will provide you with excellent products and sincerely cooperate with you.

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