Ground wire insulator
Classification:
Keyword:
- Product Description
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Ground wire insulator is a device used to support the ground wire in high-voltage overhead lines, consisting of two parts: insulator and protective gap. The insulator part is usually made of porcelain, glass, or synthetic materials, while the protective gap is composed of electrodes fixed to the insulator by bolts.
Structure and Function
The main structure of ground wire insulators includes iron caps, tempered glass components, and steel feet, which are bonded together with cement adhesive. Its head size is small, lightweight, high strength, and has a large creepage distance, which can save metal materials and reduce line costs by 3. During normal operation, the ground wire is insulated from the iron tower to reduce transmission energy loss and enable ground wire carrier communication; When the ground wire voltage exceeds the set value, the protective gap discharges, making the ground wire conductive with the tower and providing various protective effects.
Type and installation method
Ground wire insulators can be divided into suspension type and tension type according to their installation form and electrode structure. Suspended ground wire insulators are mainly used for hanging ground wires in straight sections, while tension resistant ground wire insulators are used in places that require tension, such as corners or terminal towers.
Application scenarios
Ground wire insulators are widely used in high-voltage transmission lines to ensure stable suspension and safe operation of the ground wire. Its design considers the level of mechanical and electrical damage load, usually divided into two levels: 70kN and 100kN.
In short, ground wire insulators play a crucial role in high-voltage transmission lines, ensuring the safety and stability of power transmission through their unique structural and functional design.
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