牵引变电所接地系统设计和故障预防研究

从接地设计原则、接地网材料和寿命、接地网布置形式等方面，对常规铁路和客运专线牵引变电所的接地系统设计方案进行了论述。分析了接地网发生故障的主要原因，介绍了预防接地网故障及优化地网设计的～些新方法和研究成果。

Research on Design and Fault Prevention of Grounding System in Traction Substation

In this paper,the design scheme of traction substation grounding system in conventional railway and dedicated passenger railway line is firstly discussed from following aspects:the principle of grounding system design,material and life of grounding grid,grounding grid layout pattern. Then,this paper analyzes the main reasons of grounding grid fault,introduces some new means and research results on grounding grid fault prevention and the optimization of grounding grid design.