ICS 33.100 M 04 YD 中华人民共和国 通信行业标准 YD/T XXXXX —XXXX 通信局站的电磁环境防护 第2部分：电磁环境防护方法 Electromagnetic Environment Protection of Telecommunication Stations Part 2: Protection Methods of Electromagnetic Environment （报批稿） 20xx - XX - 发布 20xx - XX - XX实施 中华人民共和国工业和信息化部 发 布 YD/T XXXXX—XXXX I目  次 目  次 ............................................................................................................................................................... I 前  言 .............................................................................................................................................................. II 通信局站的电磁环境防护 第2部分：电磁环境防护方法 ................................................................................. 1 1 范围 ....................................................................................................................................................................... 1 2 规范性引用文件 ................................................................................................................................................... 1 3 定义和缩略语 ....................................................................................................................................................... 1 3.1 定义 ............................................................................................................................................................... 1 3.2 缩略语 ........................................................................................................................................................... 2 4 电磁噪声源的识别与防护 ................................................................................................................................... 2 4.1 电磁噪声源 ................................................................................................................................................... 2 4.2 电磁噪声的防护 ........................................................................................................................................... 3 5 电磁环境防护方法 ............................................................................................................................................... 4 5.1 防雷与接地 ................................................................................................................................................... 4 5.2 等电位连接 ................................................................................................................................................... 4 5.3 屏蔽 ............................................................................................................................................................... 7 5.4 滤波 ............................................................................................................................................................. 10 5.5 隔离变压器 ................................................................................................................................................. 12 5.6 电缆隔离 ..................................................................................................................................................... 13 5.7 静电防护 ..................................................................................................................................................... 13 5.8 HEMP防护 .................................................................................................................................................. 14 5.9 HPEM防护 .................................................................................................................................................. 14 附　录　A （资料性附录） 典型的电磁噪声源 ............................................................................................ 15 A.1 发射天线 ........................................................................................................................................