Lightning threatens city
基础知识

闪电 — 令人着迷,却非常危险

闪电与雷鸣,这种壮观的自然现象一直令人类为之着迷。在希腊神话中,宙斯,众神之父,被视为天空的统治者,他的力量经常被想象为雷霆闪电。罗马神话将这种力量归于主神朱庇特, 大陆日耳曼部落将之归于雷神多纳尔,北部德国人称为雷神托尔。

很长一段时间,雷暴的巨大威力常常与神力、法力联系在一起,人们任凭这种力量所摆布。自从启蒙运动及科技进步之后,这种神圣的景象才开始按照科学的方法进行研究。在1752年,本杰明.富兰克林的实验证明了雷电是一种电荷运动所产生的现象。

气象学统计,在全世界范围内每天会发生90亿次闪电,其中多数发生在热带地区。然而,由直接及间接雷击所造成的损坏报告的数量却在不断上升。西门子的雷电信息系统(BLIDS)可以检测到在德国发生的雷击。

防雷系统

防雷系统应该保护建筑物遭受雷击时不受火灾及物理破坏,保护建筑物内的人员免于受伤甚至死亡。

Lightning protection zone concept

Lightning protection zone concept

The LPZ concept according to IEC 62305-4:2010 makes it easier to plan, implement and monitor comprehensive protection measures.

In this approach, the building is subdivided into zones with different risk potentials. Based on these zones, the necessary lightning and surge protection devices and components are determined.

Setting the right basis with foundation and ring earth electrodes

Whether existing or new buildings, a functioning earth-termination system is the prerequisite for protecting people from dangerous high voltages and for the safe operation of electric systems in buildings.

An earth-termination system forms the basis for the proper function of the

  • electric systems (power supply)
  • electronic systems (information and data technology)
  • functional equipotential bonding
  • lightning protection system
  • surge protection
  • electromagnetic compatibility (EMC)
  • antenna earthing.

 

雷击何时发生

我们的手册“雷击何时发生”,为您提供更多关于雷电形成及雷电种类的内容,同时为您提供更详尽的关于雷击时如何拯救生命及保护物资的信息。

Contact

有任何问题,请联系我们。

德和盛电气(上海)有限公司

电话 +86-21-23519988

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