Insulator requirements for insulation resistance test and AC voltage withstand test. The insulation resistance shall not be less than 300MΩ with a 2500V megger test. The AC withsta…
Needle type ordinary ceramic insulator porcelain pieces and cast steel are cemented together with a cement adhesive, and the surface of the porcelain pieces is coated with a glaze t…
In the first few years of production and operation, pin insulators have found a series of advantages over porcelain insulators.Due to the high mechanical strength of the surface lay…
