An insulator is a device that is installed between conductors of different potentials or between conductors and grounding members, and can withstand voltage and mechanical stress. There are many types of insulators in different shapes. Although the structure and shape of different types of insulators are quite different, they are all composed of two parts: insulating parts and connecting fittings.
Insulators can play an important role in overhead transmission lines. 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 polymer insulators); according to different voltage levels, they can be divided into For low voltage insulators and high voltage insulators.
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