Lightning and surge protection for rooftop PV systems
DEHN保护屋顶光伏系统

屋顶光伏系统的雷击及电涌保护

专业防雷规划设计

屋顶光伏系统已经被广泛应用。由于所处暴露的安装位置,屋顶光伏系统特别容易遭受直接雷击和间接雷击的破坏。

因为光伏系统直接与建筑物的电气系统相连,所以雷击可能导致一系列的后果:

  • 直击雷击中建筑物或导致火灾
  • 造成建筑物内人员受伤
  • 直接或间接雷击造成的电子设备损坏

因此,屋顶光伏系统需要全面的防雷保护,并进行详尽的规划设计。

风险分析 - 专业规划的先决条件

包括风险分析在内的专业规划是确保光伏系统安全可靠运行不可或缺的一部分。风险分析是根据标准EN 62305-2进行的。风险分析必须适应相关建筑物,并考虑雷击及电涌保护。

优化及平衡屋顶光伏系统安装

如何优化屋顶区域是屋顶光伏安装最重要的目标。安装屋顶光伏防雷系统必须遵循隔离距离1的要求。缺少协调可能会导致相当大的问题。 因此,如何协调屋顶布局/防雷系统/光伏系统/电气系统是至关重要的, 无论是新建筑还是改造建筑都需要考虑这个问题。

1什么是隔离距离? 就是引下线和建筑物金属接地部件之间必须保留的安全距离。

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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