摘要
在电涌保护器(SPD)的结构、工作原理及工作参数基础上,讨论了SPD对雷电电涌的限压、分流机制,并给出了信号线路SPD的选型实例与分析。明确在雷电环境中,信号线路SPD通过限制暂态过电压和分流浪涌电流以保护线路及连接的设备正常工作。对选用SPD保护通信线路(或输电线路)及其连接设备不受雷电电涌破坏具有指导意义。
Based on the structure, working mechanism and operating parameters of surge protective device, SPD for lightning surge pressure limiting and distribution mechanism were discussed, the application and analysis were also given. In the lightning environment, line SPD can make device work normally by limiting the transient over voltage and shunt surge current. It has guiding significance for protecting communication line and the connecting device.
出处
《低压电器》
2013年第9期23-28,共6页
Low Voltage Apparatus
基金
教育部高等学校高职高专计算机类专业教学指导委员会计算机网络技术专业核心课程项目(JZW5901WL004)
关键词
电涌保护器
雷电防护
工作机制
应用
surge protective device （SPD）
lightning protection
working mechanism
application
