Glass disc insulator

Glass disc insulator is popular used in transmission and distribution systems used as well as porcelain disc suspension insulators and made from toughened glass.

Glass disc insulator

Nowadays glass disc insulator has become popular in transmission and distribution system. Annealed tough glass is used for insulating purpose.

Glass insulator has numbers of advantages over conventional porcelain insulator
1. Higher dielectric strength compared to porcelain.
2. High resistivity
3. Low coefficient of thermal expansion.
4. It has higher tensile strength compared to porcelain insulator.
5. As it is transparent in nature that is not heated up in sunlight as porcelain.
6. The impurities and air bubble can be easily detected inside the glass insulator body because of its transparency
7. Glass has very long service life as because mechanical and electrical properties of glass do not be affected by aging.
8. After all, glass is cheaper than porcelain.

Glass disc insulator is designed similarly to porcelain insulators, used as suspension insulator strings on the electrical systems, especially Europe and Russia.


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