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What is transformer pressure relief valve main function and How to check?
Pressure Relief devices/valves are typically classified in the Transformer industry as safety or protection devices transformer pressure relief device valve for liquid-immersed transformers open in case of an internal fault and guarantee that the occurred overpressure can properly release. Pressu...Read more -
How to detect the state of trace moisture in transformer oil
Transformer oil in the state of water, the transformer in the transportation, storage, use process may be entered by the outside or oil itself oxidation of water, the water generated will exist in the following states: one is free water. The second is that extremely fine particles dissolve in wa...Read more -
Major Problems and its Solutions Phase I- Processing of Stereoscopic Wound Cores for Distribution Transformers
A series of problems, such as larger diameter, the formation of waves on the cylinder, the deviation of the verticality of the assembly, and the unqualified performance after annealing during processing, are common problems in the stereoscopic wound core industry, especially for new companies. Th...Read more -
Winding of foil coils
Foil coil is mainly used for small and medium-sized transformers with capacity less than 2000KVA. The advantages of foil coil are: good mechanical strength, not easy to deformation, can withstand short circuit force; Good electrical strength, uniform impulse gradient voltage distribution; Easy to...Read more -
The Equipment of Transformer Core Processing
The commonly used transformer core cutting equipment includes the slitting line and the core cutting line The slitting line is mainly used for the split of silicon steel sheet in transformer, motor and other industries. The disc blade is used to slit the silicon steel sheet with a certain width i...Read more -
The Cooling Unit of Transformer
In the working process of transformer, a lot of heat will be produced, which seriously affects the performance of transformer. During the operation of transformer, the loss of winding and core will produce a lot of heat, which must be dissipated in time to avoid insulation damage caused by overh...Read more -
What is a transformer coil requirements in processing?
The coil of transformer is an important part of transformer. It is said that the heart of coil type transformer is very important to transformer. In the transformer, the coil is the part of the circuit. In the operation of the transformer, there will be some bad conditions such as over-voltage, h...Read more -
Different types of winding machines for transformers
Transformer coil production is a very professional process, and the equipment and tooling used are most special. And according to the different coil structure, the equipment and tooling used are also different. Here we only introduce the technological equipment used in the heart coil. Mainly incl...Read more -
How to use transformer coil winding machine correctly?
Transformer winding machine is the most important core production equipment in the production process of transformer. Its winding performance determines the electrical characteristics of transformer and whether the coil is beautiful. At present, there are three types of winding machine for transf...Read more -
Influence of insulating materials on oil-immersed transformers
The thermal stability of the insulation material is the main factor affecting the life and overload capacity of the oil-immersed transformer. By explaining the preparation process, physical and chemical properties, electrical performance and anti-aging ability of high-temperature insulation mater...Read more -
Analysis on high voltage test of power transformer
effect of temperature on high pressure test The change of temperature will fully affect the insulation resistance, so when the external temperature continues to rise, the movement of molecules and ions in the insulation material will continue to accelerate the speed of movement with the increase ...Read more -
Remote installation 1200KV Impulse voltage generator set under the epidemic situation
Last Monday, PEL and Trihope sign on the installation satisfaction for 1200KV, 180KJ High voltage impulse generator system. This is a new stage for M/S PEL. Because it means she has the ability to produce and test a 220KV power transformer. The utility model relates to a power supply devic...Read more
