What is the difference compared to other insulator, glass insulator what it do

by:Mings     2020-07-12

we know that the insulator porcelain insulator, glass insulator, composite insulator, then what is the difference between them? Explain the glass insulator insulator manufacturer focus on today.

toughened glass insulator in overhead transmission lines with two basic role, namely support wire and prevent the current back to the ground. In the operating life of the whole line ( Usually for 40 years) , these two functions must be guaranteed, insulator should not change due to environmental and electrical load conditions lead to various electrical and mechanical stress and failure. Insulator under the mechanical load in addition to the weight of the wire and metal accessories, must also be under bad weather circumstances of wind load, snow load, wire dancing and transport installation process improper operation caused by impact load.

from the electrical point of view, insulator is not only to make the wire with insulation, must also be tolerance and switch operating overvoltage caused by lightning shock, when because of flashover voltage impact caused by local overheat toughened vitreous should not cause insulator blowout. All the external factors will have an effect on the performance of the insulator, therefore, also design put forward higher request of the insulator.


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