【摘要】 介绍一种用于小电流接地系统的接地故障选择装置 ,阐述了该装置的硬件及软件设计原理。该装置在硬件上以兼容PC为基础 ,采用同步采样锁相环技术、图形液晶显示方式 ,软件功能丰富更多还原

【Abstract】 A grounding fault selection device for low current grounding system is presented. The design principles of hardware and software are described. The hardware of the device is based on compatible PC, and adopting synchronous phase lock technology and graphic liquid crystal display. The device features rich software functions.更多还原