朱海军（中建西南院总承包工程有限公司，成都市 610213）

Discussion on the Lightning Protection Design of PV System in the Zero‑carbon Reconstruction of Existing Buildings

ZHU Haijun(CSWADI General Contracting Project Co.,Ltd.,Chengdu 610213，China)

Abstract：Based on project case,the set position of PV system and the characteristics of lightning current in the zero‑carbon reconstruction of existing buildings are analyzed,the key points and measures for lightning protection design of PV system in the zero‑carbon reconstruction of existing buildings are discussed from the aspects of PV module,electrical access equipment,grid‑connected equipment,and cabling system.

Key words：existing building;zero‑carbon reconstruction;PV module;electrical access equipment;grid‑connected equipment;lightning protection;surge protective device;grounding

摘　要：结合工程案例，通过分析既有建筑零碳改造中光伏发电系统的设置位置和雷电流特点，从光伏组件、电力接入设备、并网设备、布线系统等方面，探讨既有建筑零碳改造中光伏发电系统防雷设计要点及措施。

关键词：既有建筑；零碳改造；光伏组件；电力接入设备；并网设备；防雷；电涌保护器；接地

中图分类号：TU895                　  文献标识码：A

doi：10.3969 / j. issn.1003 － 8493.2024.04.005