Application scenarios of needle insulators
2025-07-08
High voltage transmission lines: Needle insulators are widely used in power towers, cable trays, and other supporting structures to support and insulate wires, preventing discharge, breakdown, or damage due to electric field stress.
Substation and switchgear: In substations and switchgear, pin insulators serve as separators and insulators, used to support and isolate high-voltage components on the switchgear, such as disconnectors, isolating switches, and circuit breakers.
Lightning arrester: Rod insulators are also commonly used as part of lightning arresters to absorb and release overvoltage, protecting equipment from lightning strikes and overvoltage effects.
Power generation equipment: In power generation equipment, needle insulators are used to support and isolate high-voltage power generation components such as generators and transformers, ensuring the safe operation and reliability of the power generation equipment.
Other scenarios: Needle insulators are also suitable for low and medium voltage distribution lines, especially performing well in short distance transmission or branch lines. In addition, it is also used in scenarios such as streetlights and railway signal systems.
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Ceramic insulators are insulators made of ceramic materials such as alumina.
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