The year of 2022 was exceptionally difficult, especially for export-oriented enterprises. The epidemic of COVID-19 still has no end in sight, the cost of raw materials keeps rising, and sea freight...
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 ...
Transformer winding machine is the most important core production equipment in the production process of transformer. Its winding performance determines the electrical characteristics of transforme...
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 ...
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...
As know oil-type transformers are the most common form of transformers. When an oil-immersed transformer is in use, the heat generated by the coil and iron core is first transferred to the insulati...