220kV Composite Insulator with corona Ring
FXBW-220/120
product description
Composite insulators have been widely recognized and praised by users for their lightweight, high mechanical strength, excellent hydrophobicity, superior pollution flashover resistance, zero failure rate, and low maintenance requirements. They have seen rapid adoption and development in the industry.
Insulators are critical components of overhead transmission lines, and their performance directly impacts the safe operation and reliability of the power system. Currently, transmission lines use three types of insulators: porcelain, glass, and composite.
Due to differences in materials, manufacturing processes, and structures, various insulator types exhibit distinct mechanical, electrical, pollution, and temperature characteristics. Therefore, the correct selection and application of transmission line insulators are essential. With the advancement of ultra-high voltage and large-capacity transmission technologies, the inherent drawbacks of porcelain insulators have become increasingly evident, rendering them less suitable for the modern power industry.
Polymer insulator structure
core rod
Fiberglass-reinforced resin rods that provides mechanical strength, made by impregnating glass fibers with resin.
shed
Polymer silicone rubber shed that offers the required creepage distance and protects the core rod.
product advantages
Compared to porcelain (tempered glass or porcelain) insulators, Transmission line composite insulators offer several advantages:
1. They are made of non-brittle materials, reducing losses caused by mechanical impacts or sudden temperature changes.
2. They are significantly lighter and more compact, making them particularly suitable for areas with challenging transportation conditions or environmental constraints.
Composite insulators, composed of a multi-material polymer composite structure, offer numerous advantages over traditional porcelain and glass insulators: ease of assembly, lightweight, compact size, high strength, zero failure rate, excellent pollution flashover resistance, superior aging resistance, and maintenance-free operation. These benefits have increasingly earned the recognition and approval of the power industry
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