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针对建筑物和电子信息系统的雷电灾害防护现状,从雷电入侵的途径来划分建筑物防雷区域,介绍了电涌保护器和等电位联结在弱电设备防雷中的应用。指出弱电设备防雷设计时要合理地选择电涌保护器,使电子设备免受电涌过电压的破坏,实现有效地雷电电磁脉冲防护。
In view of the present situation of thunder and lightning disaster protection in buildings and electronic information systems, this paper divides the lightning protection area of buildings from the way of lightning invasion, and introduces the application of surge protector and equipotential bonding in the lightning protection of weak equipment. It is pointed out that lightning protection device should be chosen reasonably when lightning protection design of weak equipment, so that the electronic equipment can be protected from overvoltage of surge and lightning protection can be realized effectively.