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 s...
I.Cause of Partial Discharge
The transformer insulator, metal body and so on are often with some sharp angle and burr, so the electric charges under the action of electric field intensity will conc...
China, Sichuan: China is building an ultra-high voltage substation at the highest altitude in the country so far.
The construction of a 1,000 kV substation in Ganzi Tibetan Autonomous Prefecture of...
CGTN
Baihetan Hydropower Station straddling the southwest China’s provinces of Yunnan and Sichuan, is located on the Jinsha River. /CFP
China has put into full operation a major power ...
In transformers, in addition to the primary and secondary coils, there are several other important components and accessories. The insulating material is one of the most critical components of a tr...
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 ...