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摘要: 由于西南地区水电站建设工地每年出现较多的暴雨雷击天气，对施工电气设备的安全运行造成严重的威胁。在电气设计与施工中，若对防雷接地保护不够重视，易导致雷害事故，使电气设备及自动化控制系统损坏，影响工程建设。