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.
在电力系统防雷保护与雷电特性基础研究工作中，雷电流的最大陡度、幅值具有重要的意义。
The max lightning steepness and lightning peak current have the important significance to the base researching work of the lightning-protection in the power system and the lightning characteristics.
微机保护系统是电力系统的重要组成部分，但由于其耐压水平低，雷电波侵入电源系统时易导致设备的损坏，严重影响了电力系统的正常运行。
But the invasion of lightning surge may lead its failure due to its low voltage withstand level which may affect the normal service power system.
微机保护系统是电力系统的重要组成部分，但由于其耐压水平低，雷电波侵入电源系统时易导致设备的损坏，严重影响了电力系统的正常运行。
But the invasion of lightning surge may lead its failure due to its low voltage withstand level which may affect the normal service power system.
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