雷电对供电系统和电器的危害分析及防御

An analysis of the harm of lightning to the power supply system & electric appliance and its defense measures

雷电是常见的天气现象 ,近几年随着电器电子产品日益增多 ,雷电对电器的危害造成的经济损失呈上升趋势。本文分析了雷电的形成及雷电对供电系统和电器的危害。提出了完善供电系统的防雷避雷措施能有效保护电器免遭雷击。对避雷器工作原理和避雷方法作了分析介绍。

Lightning is a common weather phenomenon.With the increasingly growth of electric appliance and electronic products, the harm of lightning to the appliance is becoming more and more serious.The present article gives an analysis to the formation of lightning and its harm to the power supply system & the electric appliance, and then proposes some measures to protect the power supply system from lightning. Finally an introduction is given to the function of the lightning arresters.