We have understood the work of oil immersed transformer oil. According to the characteristics of oil immersed transformer oil, we have established various oil immersed transformers. Moreover, we have developed and implemented the functions of various oil immersed transformers. The characteristics and functions of establishing oil immersed transformers have been continuously improved. The commonly used oil immersed transformer oil is measured continuously and accurately, and the main oil level spacing and oil immersed transformer oil are measured continuously. What are the main specifications of oil content of oil immersed transformer? Let's look at the main specifications of oil content of oil immersed transformer:
What is the standard oil level of oil immersed transformer
According to different working conditions, there are few oil tanks for oil immersed transformers with capacity of 610kva and below, so it is not necessary to check the oil quantity; oil tanks are installed for oil immersed transformers with rated voltage of 45kv and around or with larger capacity, and the number of oil tanks is about in such several ways as connecting pipe, pointer type oil level gauge, metal bellows, etc. The connecting tube is based on the principle of the connecting device. There is a bright red ball in the glass tube to mark the oil quantity, which is very intuitive. Some pointer type oil level meters immediately indicate that the needle points to the website to mark the remaining oil quantity in the oil storage tank, or match the curve according to different temperatures (usually, the matching area is at least the ring temperature), Calculate the remaining oil in the oil storage tank according to the needle station; the metal bellows at the top of the metal bellows match the temperature of the oil tank, and all the oil volume is normal (usually the remaining oil volume is about 12% of its oil weight).
The oil tank with oil capacity of oil immersed transformer is also called conservator. The oil storage tank, also known as the conservator, is a cylindrical linear container, which is horizontally placed on the top of the automobile oil tank and connected with the oil tank of the automobile oil immersed transformer through a pipeline. When the oil immersed transformer oil expands, the oil flows from the car oil tank to the oil storage tank. When the oil immersed transformer oil shrinks, the oil flows from the oil tank to the vehicle oil tank. The oil immersed transformers with rated voltage of 45 kV and around or larger capacity of 12 kV are installed in the oil tank, and the oil volume in the oil tank is marked by connecting pipe, pointer type oil level gauge, metal bellows and other methods. The national standard GB / t6451-1997 "three phase electric oil immersed transformer performance parameters and regulations" 4.1 "oil protector" clearly stipulates: oil immersed transformer with oil storage tank, its oil storage tank structure should be conducive to internal cleaning. The capacity of the oil storage tank shall ensure no oil spillage when the average surrounding temperature is over 50 ℃, and the oil level can be seen when the fund is not put into operation at - 40 ℃.
1. The pipeline is a container connected in principle. There is a bright red ball marked oil in the glass tube, which is very intuitive.
2. 手中的油位计指针类型特别是一些立即标记标记部分存储柜剩下的油是多少,或根据不同的温度图匹配(通常几,不一样的最小匹配环温度区域,如油浸式变压器油位计40°30°和+ + 50°分别意味着油浸式变压器在工作温度为- 40°30°和+ + 50°所有正常的油线。)根据表中针的位置来计算油柜中剩余的油是多少。
2. The pointer type of oil level gauge in hand, especially some immediate marks, mark the remaining oil of some storage cabinets, or match according to different temperature diagrams (usually several, different minimum matching ring temperature areas, such as oil level gauge of oil immersed transformer 40 ° 30 ° and + + 50 ° respectively means that all normal oil lines of oil immersed transformer in the operating temperature of - 40 ° 30 ° and + + 50 ° respectively. ）Calculate the remaining oil in the oil tank according to the position of the needle in the table.
3. The top of the metal bellows is marked with the metal bellows to match the oil content of the oil storage tank under different water temperatures.