Uses of Porcelain Insulators
Release Date:
2025-08-18
As a key component of high-voltage transmission lines, porcelain insulators provide electrical isolation between conductors and towers by supporting and securing the conductors. They have high mechanical strength and strong corrosion resistance, making them suitable for harsh weather conditions.
Porcelain insulators are mainly used for external insulation of power system transmission lines and power station equipment, with specific applications as follows:
Transmission line applications
As a key component of high-voltage transmission lines, porcelain insulators support and fix conductors, achieving electrical isolation between conductors and towers. They have high mechanical strength and strong corrosion resistance, suitable for harsh weather conditions.
Power station equipment applications
In substations, power plants, and other scenarios, porcelain insulators are used to isolate live parts from grounded parts, preventing equipment leakage that could cause accidents. Their high temperature and voltage resistance ensure stable operation of power equipment.
Special scenario requirements
Pollution flashover prevention: Composite insulators enhance hydrophobicity through a silicone rubber coating layer, reducing the risk of flashover caused by pollution accumulation.
Arc-resistant structure: New patented products improve insulation performance by using wind-driven cooling and cleaning of the umbrella skirt surface.
Differences in structural types
Feldspar porcelain: Suitable for low-voltage lines.
Silica porcelain: Used in high voltage level scenarios.
Composite insulators: Combine the mechanical properties of porcelain with the pollution flashover resistance of silicone rubber, extending service life to over 25 years.
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