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Oil-immersed transformer has strong short-circuit resistance
Oil-immersed transformer vacuum oil filter and oil injection molding process, so the internal moisture is reduced to a low level, prevent oxygen and moisture insulation degradation caused by the entry, significantly reduce transformer maintenance costs, while extending the life of the transformer. Oil immersed transformer in the occurrence of short road stone, there are current and make the winding deformation, will also produce a short circuit on the shell shell, short road stone, generally...
Composition and function of transformer oil
1. Composition of transformer oil Transformer oil is a mineral oil, which is a mixture of many different molecular weights of hydrocarbon molecules, alkane, cycloalkane and a small number of aromatic hydrocarbons. 2. The role and grade of transformer oil Transformer oil for insulation oil of oil-immersed transformers. Transformer oil not only has insulation effect, but also has the role of heat dissipation. Transformer oil is divided into No. 25 oil and No. 45 oil according to its freezing...
The coil of a power transformer
The coil is an important and complex part of the power transformer, which is wound by copper (or aluminum) wire and composed of special insulating parts. 1, spiral coil The main feature of the spiral coil is that the number of parallel wires is more, the wire cake is wound into a spiral, and a coil of the wire cake is a turn. Spiral coil has good mechanical stability, good heat dissipation and good technology, and is widely used in transformer low voltage and high current coil. According to the...
Manufacturing process of power transformer
The power transformer consists of two parts: the body and the accessories. The body is composed of coil, insulation, core, tap-changer, transformer oil and oil tank. The accessories of the transformer include oil storage tank, bushing, gas relay, pressure release device and thermometer. The coolers, insulating oils, bushings, tap switches, gas relays, pressure relievers and thermometers are all purchased from outside. The following is only a brief introduction to the manufacturing process of...
Discussion on the difference between no-load and load in transformer
For power beginners who have just come into contact with transformer knowledge, there are always some confusing knowledge points in a large number of basic concepts. Transformer no-load operation One of which is a transformer load operation. Although there is a large amount of data to explain the two concepts separately, there is little data to explain the difference between the two. Transformer running without load The no-load operation of the transformer refers to the working state that the...
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.