Post insulator

It plays an important role in overhead power transmission lines. In the early days, rod-shaped insulators were mostly used on telephone poles. They gradually developed from the end of high-voltage wire connection towers. There were a large number of suspension insulators on the rod-shaped high-voltage wire connection towers. Suspension insulators were usually made of silica gel or ceramics to increase the creepage distance. . They are called insulators. Insulators have two basic functions in overhead transmission lines, namely supporting conductors and preventing current flow back. This function of the insulator must be guaranteed. The insulator should not fail due to various electrical and mechanical faults caused by changes in environmental and electrical load conditions. , otherwise the insulator will not have an obvious effect and will damage the use and operating life of the entire line.