What are the Functions of Electricity Insulators?


A lot of disk-shaped insulators are hung on one end of the high-voltage wire connection tower to increase the creepage distance, usually made of glass, ceramic or composite materials, called electricity insulators.

In order to prevent dust and other pollution from adhering to the surface of the insulator, a path is formed to be broken down by the voltage across the insulator, that is creepage. Therefore, increase the surface distance, that is the creeping distance, and the distance along the insulating surface that is the leakage distance is called the creeping distance. Climbing distance = surface distance / the highest voltage of the system. Depending on the degree of pollution, a crawl distance of 31 mm/kV is generally used in heavily polluted areas.

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