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...
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...
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...
1、 Composition of power system
(1) Power system
According to the specified technical and economic requirements
A unified system is called power system. The power system also includes relays to e...
When the transformer is in operation, heat is generated due to copper losses in the windings and iron losses in the core. The removal of heat from the transformer is known as cooling of the transfo...
At the moment of the epidemic, our steps are not stopped. In the severe epidemic situation that has lasted for nearly half a year in the East China Plain, especially in the case of the suspension o...