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What are the characteristics of post insulators

What are the characteristics of post insulators

Porcelain post insulators are an important part of electrical equipment in power grids and power plants. The main factors affecting the mechanical strength of pillar porcelain insulators are production process, material stress and operating environment. Defects such as interlayers, pores, and microcracks are mostly caused by the manufacturer's poor firing level, and most of them are concentrated in the same batch of products from the same manufacturer. Statistics show that about 95% of the defects occur near the flange, which is caused by the concentration of internal stress caused by the different expansion coefficients of materials. The impact stress and unidirectional shear stress caused by the long-term operation of the disconnector and the porcelain post at the tube mother are the high-incidence areas for the fracture of the porcelain post insulator.

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The Importance of Insulators

The Importance of Insulators

Insulators are an important part of the development of power systems and an indispensable part of the development of power technology. Insulators have the characteristics of flame retardancy, corrosion resistance, temperature resistance, and voltage resistance, and are key components to ensure the safe and stable operation of power systems. Its development progresses together with the development of electric technology, and contributes to the development of electric technology.

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Talk about the difference between glass insulators and porcelain insulators

Talk about the difference between glass insulators and porcelain insulators

Comparison of the advantages and disadvantages of glass insulators and porcelain insulators: Glass insulators are made of glass and are called glass insulators; tempered glass insulators are currently the most widely used in circuits. Porcelain insulators are insulators made of electrical ceramics. Ceramic insulators are the earliest insulators. The process is simple, but it does not have the advantage of not being easy to accumulate dirt as you said.

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Development status of high voltage insulator market

Development status of high voltage insulator market

During the "Tenth Five-Year Plan" period, the insulator and arrester industry market will have a big development, which will be steadily rising, which is specifically reflected in the following aspects:

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Classification of insulators

Classification of insulators

According to different installation methods, insulators can be divided into suspension insulators and post insulators; according to the different insulating materials used, they can be divided into porcelain insulators, glass insulators and composite insulators (also called composite insulators); according to different voltage levels, they can be divided into They are low-voltage insulators and high-voltage insulators; according to the different environmental conditions used, pollution-resistant insulators used in polluted areas are derived; according to the types of voltage used, DC insulators are derived; there are also various insulators for special purposes, such as insulating cross-arm, Semiconducting glaze insulators and tension insulators for power distribution, bobbin insulators and wiring insulators, etc. In addition, according to the different breakdown possibilities of insulators, it can be divided into two types: type A, that is, non-breakdown insulators, and type B, that is, breakdown insulators.

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