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...
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...
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 ...
Q1) what are instrument transformer?
If we want to measure extremely high values of current and voltage than there are two ways of measuring it. One is to use high capacity instruments which would ...
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...