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The effect of composite insulator on transformer is discussed

Pulished on Apr. 26, 2019

The effect of composite insulator on transformer is discussed

Composite insulators in China to have more extensive application, in the transformer internal configuration has a great function, but very few people understand this, it is necessary for everyone to master the correct understanding of pollution flashover resistance. To achieve this overall goal, attention needs to be paid to the following phenomena.

1. Selection of mechanical strength

The most prominent feature of the composite insulator mandels is their high toughness and specific strength. Its tensile strength reaches 7000MPa, and its specific strength is 5 times that of high-quality carbon steel.

Some regions and their units have clearly proposed that the mechanical strength of synthetic insulators should be one level higher than that of traditional porcelain and glass insulators. For example, the application of porcelain insulators is 160kN, while the application of synthetic insulators is 210kN.

However, the fact that it is applied to a mechanical load below the 50% rating also ensures the credibility of its operation. Thus, composite insulators can be used in the manner of ceramic insulators without the need to increase the load value of mechanical equipment.

Composite insulators

It is concluded that the composite insulator has excellent bending resistance, dancing resistance and breeze vibration. When it is used in tension-resistant tower operation, it can withstand a certain bending moment. In the long-term operation of products with different end connection structures, please list how different the mechanical properties will change, such as the impact of natural environment, external and internal factors, etc. Do you need in-depth analysis?

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