According to related codes and standards the design method and some practice problems of grounding are discussed, combined with working principle of grounding of instrumentation and control system.
结合仪表及控制系统接地的工作原理，根据有关规范，讨论了接地工程的设计方法和一些实际问题。
2
In this paper, a new method for DC systemgrounding fault detecting is presented.
文中提出直流系统接地故障检测方法。
3
This method is suited for various distribution system with different neutral grounding modes. Moreover, it can be easily used in site without adjusting protective setting.