中国人妻一区二区三区精品,国产精品一区乱码在线观看,亚洲理论在线a中文字幕,精品国产女主播在线观看

Your Position: Home > Support > Update Center

General knowledge of ZYD series transformer insulating oil filter and oil filter involved in box transformer and main transformer

2020/1/19??????view:

  1、 What is transformer oil?

  Transformer oil: it is a kind of fractionation product of petroleum. Its main components are alkane, cycloalkane saturated hydrocarbon, aromatic unsaturated hydrocarbon and other compounds. Commonly known as square shed oil, light yellow transparent liquid, relative density 0.895. Freezing point < - 45 ℃.

  Transformer oil is a kind of mineral oil obtained from distillation and refining of natural oil. It is a mixture of natural hydrocarbon which is pure, stable, low viscosity, good insulation and good cooling property. Commonly known as square shed oil, light yellow transparent liquid.

  2、 Common sense of box transformer and main transformer.

  Transformer is an important electrical equipment with large investment in the power system. Insulating oil acts as the medium of transformer insulation and heat dissipation, which is closely related to various faults that may occur inside the transformer. The condition of insulating oil will directly affect the safe and economic operation of the transformer, and the vacuum oil filter of the transformer is a powerful tool for insulating oil treatment.

  Box type transformer - main transformer (transformer) needs oil filtering treatment to improve its purity if the electrical index of transformer oil quality is unqualified due to various reasons. The main unqualified reasons are excessive water content, other impurities, hydrocarbon gas, etc.

  3、 General knowledge of ZYD series transformer insulating oil filter

  ZYD series transformer insulating oil filter and oil purifier can be selected according to different voltage levels of the transformer.

  1. Zhongjing brand ZY type insulating oil vacuum oil filter is generally used to filter the insulating oil of box type transformer. After filtering, the oil withstand voltage grade is 45-65kv, which is suitable for filtering and purification of most commonly used electrical insulating oil and transformer oil.

  2. Zhongjing brand ZYD two-stage vacuum oil filter is selected to purify the insulating oil of 110kV and above main transformer, which can reach the oil standard after purification. For the transformer oil of the main transformer, in addition to the reference of oil withstand voltage value, the general oil filtering index also takes into account the influence of acetylene, methane, hydrogen and other gas values, as well as the influence of dielectric loss. In this way, the air content and water content of transformer insulating oil can be reduced more successfully, the electrical insulation strength of oil can be significantly improved, and the insulation performance is stable.

  If considering that the transformer has been filled with oil and can not be completely shut down and pumped out all oil for filtering, it can only filter oil online. In addition, it can reduce the equipment outage time, reduce the maintenance labor intensity and operation cost, improve the service life and reliable operation rate of the transformer, and adopt the working mode of small flow and low vacuum to eliminate the possibility of oil flow electrification and gas action, which has good economic benefits and promotion value.

  On line oil filter of transformer shall meet the following conditions:

  (1) If the heating temperature is too high, the characteristics of the oil will be damaged; if the temperature is too low, the water in the oil can not be discharged, so the temperature and vacuum value should be controlled within the appropriate range in the oil treatment process.

  (2) During the operation of on-line oil filtering device, it is necessary to ensure that there will be no result of oil flow electrification in the transformer and no signal or trip accident caused by the action of non electric quantity protection device of the transformer.

  (3) In case of abnormal voltage or oil leakage during oil filtering, the online oil filtering system can effectively isolate the oil circuit and power failure alarm, and has the function of remote operation status detection and control during oil filtering.

  (4) The on-line oil filtering device will not produce fault characteristic gas due to its own reasons.

  (5) In the process of on-line oil filtration, it can Degas, dehydrate and remove impurities, and maintain the good insulation property and stability of oil.

  For more information, please refer to the product catalog and industry cases on the company's official website. If you need product information and videos, please open the contact information - call or add a telephone wechat.

色婷婷综合中文久久一本| 国产精品一区二区成毛片| 日韩欧美国产欧美在线观看| 亚洲熟女精品一区二区成人| 国产97色在线 | 国产| 免费观看在线a片成人片| 欧美亚洲精品suv| 精品中文字幕久久久久人妻| 国产精品久久久久精品香蕉| 18禁久久久日韩网站人妻| 国产欧美三级久久久一区| 亚洲 综合社区| 久久久久亚洲av无码专区| 亚洲午夜久久久久久久久电影网| 91情侣在线偷精品国产| 欧美日本国产一区二区三区| 欧美视频在线观看欧美大片| aa级欧美大片在线观看| 亚洲国产成人片在线观看| 朝桐光在线视频| gv天堂gv无码男同在线观看| 午夜视频在线免费观看视频| 无人在线完整免费高清观看| 精品人妻码一区二区三区| 亚洲区欧美区日韩区综合区| 仙踪林久久久久久久999| 欧美日本日韩一区二区三区| 久久久久久一级毛片高清| 诱人的奶头bd在线观看| 久青草影院在线观看国产| 蜜桃久久国产精品一区二区| 国产午夜精品理论片| 欧美性色婷婷久久久精品| 99久久亚洲国产精品观看| 国产在线播放线99香蕉| 无码一区二区三区乱子伦| 欧美日韩国产一区自拍流出| 国产99久久九九精品无码| 国产精品一区二区日本欧美| 中文字幕无码不卡顿免费| 尹人香蕉久久99天天拍|