变压器缺油的原因有哪些? - 山东变压器油哪家好

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变压器缺油的原因有哪些?

发布时间2019-08-29  来源:http://www.wunqdctk.com

  变压器油填充在油浸变压器内,一方面可以提高变压器内部各部件之间的绝缘强度,使变压器绕组铁芯冷却;另一方面,变压器中的绝缘材料,如木材、纸张等,可以保持原有的化学和物理性能,使金属,如铜,可以防腐;另一方面,它可以熄灭电弧。因此,变压器油的主要功能是散热、防潮、防变质。
  Transformer oil filled in oil-immersed transformer, on the one hand, can improve the insulation strength between the components of transformer, so that the core of transformer winding can be cooled; on the other hand, the insulation materials in transformer, such as wood, paper, etc., can maintain the original chemical and physical properties, so that metals, such as copper, can be preserved; on the other hand, the insulation materials in transformer, such as wood and paper, can be preserved. Surface, it can extinguish the arc. Therefore, the main functions of transformer oil are heat dissipation, moisture proof and deterioration prevention.
  当变压器运行时,身体的热量会引起蒸发,导致油料短缺。变压器缺油会使变压器过热,甚至烧坏。为此,分析了变压器缺油的原因、缺油的后果以及变压器缺油的处理措施。
  When the transformer is running, the heat of the body will cause evaporation, resulting in a shortage of oil. Transformer oil shortage will make the transformer overheat or even burn out. Therefore, the causes, consequences and treatment measures of oil shortage in transformers are analyzed.
  第一,变压器缺油的原因
  First, the causes of transformer oil shortage
  1. 在检修或试验过程中,变压器出油后不加油。
  1. In the process of overhaul or test, the transformer does not refuel after oil is discharged.
  2、长期漏油,或漏油量大。
  2. Long-term oil leakage, or large oil leakage.
  3.空气温度过低,油枕储油能力不足,或油枕体积太小,不能满足使用要求。
  3. The air temperature is too low, the oil storage capacity of the oil pillow is insufficient, or the volume of the oil pillow is too small to meet the use requirements.
山东变压器油
  变压器缺油的结果
  The result of transformer oil shortage
  1. 如果油位低于油位仪的监控线,可能会导致气体保护装置操作错误,导致油位和颜色无法监控。
  1. If the oil level is lower than the monitoring line of the oil level meter, it may lead to the wrong operation of the gas protection device, which may cause the oil level and color can not be monitored.
  2. 如果油位低于变压器顶部,油与空气的接触面积会增大,使油容易吸收水分和氧化,从而加速油的变质。水分进入油中,会降低绕组的绝缘强度,铁芯等部件生锈。
  2. If the oil level is lower than the top of the transformer, the contact area between oil and air will increase, which makes the oil easy to absorb moisture and oxidize, thus accelerating the deterioration of oil. Moisture entering the oil will reduce the insulation strength of the winding and rust the iron core and other components.
  3.当漏油严重不足时,变压器导电部件对地及相互之间的绝缘强度会大大降低,过压时容易被击穿。
  3. When oil leakage is seriously insufficient, the insulation strength of transformer conductive components to the ground and between them will be greatly reduced, and it is easy to be broken down when overvoltage occurs.
  变压器油不能浸泡分接头开关,分接头之间泄漏和放电,造成高压绕组短路。
  Transformer oil can not be immersed in tap changer, leakage and discharge between taps, resulting in short circuit of high voltage winding.
  5. 当油位低于热管上管口时,油不能循环对流,使变压器温度急剧上升,甚至使变压器烧坏。
  5. When the oil level is lower than the upper orifice of the heat pipe, the oil can not circulate and convection, so that the temperature of the transformer rises sharply, and even the transformer burns out.
  三、变压器油短缺现象,通常采取的措施:
  3. Transformer oil shortage, commonly adopted measures:
  1. 如果由于天气突变导致温度下降,导致油料短缺,可以关闭散热器,及时补充油料。
  1. If the temperature drops due to abrupt weather change, resulting in oil shortage, the radiator can be closed and the oil can be replenished in time.
  2. 如发生大量泄漏或漏油,可根据具体情况和规定采取相应措施。
  2. If a large number of leaks or oil leaks occur, corresponding measures may be taken according to the specific circumstances and regulations.
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