Post Insulator Introduction

Post insulators are a special type of insulation control that can play an important role in overhead power transmission lines. In the early years, pillar insulators were mostly used for telephone poles. Slowly developing many hanging insulator on one end of a high-voltage high-voltage wire connection tower was to increase the creepage distance, usually made of silica gel or ceramic, which is called insulator. Insulators play two fundamental roles in overhead transmission lines, namely supporting the conductors and preventing the current from returning to earth, both of which must be guaranteed, and the insulators should not fail due to flashover breakdown due to changes in the environment and electrical load conditions , Or the insulator will lose its effect, will damage the entire line of use and operating life.

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