La description
What is Composite Insulator?
A composite insulator is a special insulation control component
that plays an important role in overhead transmission lines. There
are many types of polymer insulators.
What is Composite Insulator Made of?
Composite insulator is also called synthetic insulator, non-ceramic
insulator, polymer insulator, rubber insulator, etc. The main
structure is generally composed of umbrella skirt, FRP core bar and
end fittings. The umbrella skirt is generally made of organic
synthetic materials, such as ethylene propylene rubber, high
temperature vulcanized silicone rubber, etc.; the FRP core bar is
generally reinforced with glass fiber and based on oxidized resin;
the end fittings are usually carbon steel or carbon structural
steel coated with hot zinc aluminum.
Types of Composite Insulator (Types of Insulators And Their
Applications)
Composite insulator can be divided into: composite suspension
insulator, line post composite insulator, pin type composite
insulator, post composite insulator, composite railway insulator,
composite hollow insulator.
Advantages of Composite Insulator
Composite insulator is small in size, light in weight, light in
structure, easy to transport, easy to install and easy to
maintain.
The composite insulator has good fouling resistance and strong
fouling flash voltage resistance. Its wet withstand voltage and
fouling resistance voltage are 2 to 2.5 times of that of porcelain
insulator with the same creepage distance. No need for cleaning and
safe operation in heavily polluted areas.
Polymer insulators have superior electrical properties and high
mechanical strength. Polymer insulators have good tensile and
flexural strength, 2 times higher than ordinary steel and ***0
times higher than high-strength porcelain materials, which
effectively improves the reliability of safe operation.Â
It has good waterproof performance. Its overall structure prevents
internal insulation from moisture. It does not require preventive
insulation monitoring tests or cleaning, thus reducing the workload
of daily maintenance.
Polymer insulators have good sealing performance and high
resistance to electrical corrosion.
Polymer insulators have high impact and shock resistance, good
resistance to brittleness and creep.
Polymer insulators have high bending strength, high torsional
strength. It enables them to withstand internal pressure. And can
be used in combination with porcelain insulators and glass
insulators.
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