对雷电保护系统电路模型进行了分析，讨论了不同因素对电流分布的影响。
The paper analyses the electrical circuit model as well as the influence of different factors on current distribution.
综合应用屏蔽、等电位连接和电涌保护器等基本防护措施，实现了自动化系统的雷电综合防护。
According to the application comprehensive of the shield, equipotential bonding and surge protective device, the combination protection of the automatic system is realized.
介绍了电力系统线路故障点判断常用的保护动作分析、故障录波器分析和雷电定位系统三种方法。
This paper describes . and compares three popularly used trouble locating methods of power lines, i. e. , protection action analysis, fault recorder analysis and lightning location system.
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