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Introduction to the general classification of insulators

2021-10-22

1. Insulators are usually divided into breakdown type and non-breakdown type.
2. According to the structure, it can be divided into column (pillar) insulators, suspension insulators, pin insulators, butterfly insulators, tension insulators, anti-pollution insulators and bushing insulators.
3. According to the application, it is divided into line insulators and power station and electrical insulators. Among them, the breakdown type insulators used in the circuit include pin type, butterfly type, and disc type suspension type, and the non-breakdown type includes cross arm and rod type suspension type. The breakdown type insulators used in power stations and electrical appliances include pin pillars, hollow pillars and sleeves, and the non-breakdown type includes rod pillars and container porcelain sleeves.
4. The insulators used in overhead lines include pin insulators, butterfly insulators, suspension insulators, porcelain crossarms, rod insulators and tension insulators.

5. Now the commonly used insulators are: ceramic insulators, glass fiber reinforced plastic insulators, composite insulators, semiconductor insulators.