接地电阻的测量方法和注意事项

Measuring Methods of Grounding Resistance and the Attentions

接地技术在保障电力系统、建筑设施和电子设备等安全可靠运行和人身安全方面具有重要作用。接地电阻作为重要的接地参数,其数值大小决定了电气安全的程度。文章介绍了接地的基本概念和基本方法,以及接地装置的作用和检测方法,并重点介绍了如何正确测量接地电阻及接地电阻的影响因素。

Grounding technology plays an important role in power system,building facilities and the safety operation of electronic equipment and the safety of person.As a significant grounding parameter,grounding resistance s numerical value decides the electrical safety.The paper introduces the basic concepts ad methods of grounding,the grounding devices＇ functions and inspection methods,and lays emphasis on the introduction on how to measure grounding resistance and the factors that may affect it.