Glass Disc Insulator Details

glass disc insulators are a type of suspension insulator widely used in overhead power transmission and distribution systems. they are designed to insulate and support the electrical conductors (wires or cables) from the supporting structures, such as towers or poles. below are the key points about glass disc insulators:

glass disc insulators construction:

glass disc insulators consist of multiple disc-shaped units made of toughened or tempered glass.

these glass discs are connected in series using metal fittings or links, forming a string or insulator set.

the discs have grooved or corrugated surfaces to increase the leakage distance and improve insulating properties.

glass disc insulators types:

standard glass disc insulators: perform well in mild pollution environments.

fog type glass disc insulators: designed to perform well in heavily polluted areas, with a specialized profile to prevent discharges between standouts.

open type glass disc insulators: suitable for desert areas or environments with low pollution levels.

glass disc insulators with rtv (room temperature vulcanizing) silicone rubber coating: provide enhanced resistance to tracking, erosion, weathering, uv radiation, and pollution.

glass disc insulators advantages:

lightweight compared to porcelain insulators, facilitating handling and installation.

resistant to corrosion and suitable for areas with high pollution levels or coastal regions.

transparent nature allows easy detection of impurities and bubbles during manufacturing.

long service life, as the mechanical and electrical properties of glass are not affected by aging.

cost-effective compared to insulators made of other materials.

glass disc insulators applications:

overhead transmission lines: used to support and insulate conductors in high-voltage transmission lines.

substations: employed in substations to insulate busbars, support equipment, and maintain electrical isolation.

distribution lines: used to insulate and support power lines that deliver electricity to consumers.

glass disc insulators are manufactured and tested in accordance with international standards such as iec 60383 and ansi c29. they offer good mechanical strength, high insulation resistance, and resistance to environmental factors, making them a reliable choice for power transmission and distribution systems.

nooa electric co.,ltd. has been specialized in research and development of latest high-strength functional glass and power transmission insulators, which is the qualified supplier for state grid corporation of china and southern state grid corporation of china, and is a participating unit of product standard formulation of the national insulator standard committee. the main products type are : standard-type insulator, antipollution-type insulator, aerodynamic type insulator, multi-umbrella type insulator, ground-wires type insulator, post insulator for line, pin insulator. products are mainly used for transmission line insulation, suspension, support, tension conductors. our products are divided into 5 major series: the standard type 40-550kn、filth-resistant type 70-420kn、aerodynamic type 120-300kn、multi-umbrella type 120-300kn、and ground circuit type,able to be used for line voltage from 10kv～1000kv. click for more types of electric insulators.