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Electricity Knowledge Sharing: Advantages And Disadvantages Of Three Insulator Materials

October 12, 2021

Latest company news about Electricity Knowledge Sharing: Advantages And Disadvantages Of Three Insulator Materials

At present, the insulators used in power projects around the world are classified into three main categories

according to their materials, namely glass, ceramics, and composite insulators.

1. Glass insulator

Advantages: the mechanical strength of the surface of the glass insulator is high, the appearance is not easy

to produce cracks, and the aging speed is slow;the operation and maintenance cost is low.

Disadvantages: Because of the transparency of the glass, it is easy to find small cracks and various internal

defects and damages during the shape inspection.

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2. Ceramic insulator

Advantages: Good chemical stability and thermal stability, strong anti-aging ability, good electrical and

mechanical functions, and flexible assembly.

Disadvantages: Defects are not easy to be discovered, ; ceramic insulator zero value detection requires

testing piece by piece, which requires a lot of manpower and material resources; the probability of accidents

caused by lightning strikes and dirty flashovers is high.

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3. Composite insulator

Advantages: small size, easy to maintain; light parts, easy to carry; high mechanical strength, not easy to break;

seismic function surface, good stain resistance; fast production cycle, high quality stability.

Disadvantages: Anti-aging ability is not as good as ceramic and glass insulators, and the production cost is higher

than ceramic and glass insulators.

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