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智能型1000M网络电涌保护器的研制

DOI: 10.16188/j.isa.1003-8337.2015.01.020, PP. 99-105

Keywords: 千兆网络,电涌保护器,通流容量,残压,传输特性

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Abstract:

针对千兆网络信号线缆每年遭受雷击事故,引起网络信号的中断或交换机I/O接口设备的损坏问题,根据千兆网络传输特性参数的特点,依据GB/T18802.21-2004《低压电涌保护器第21部分:电信和信号网络的电涌保护器-性能要求和试验方法》的要求,提出了采用多级保护的设计方法,利用通流容量大和分布电容小的防雷器件;并且在设计中增加单片机自动记录千兆网络信号电涌保护器动作的次数及时间的功能,设计了智能型千兆网络信号电涌保护器。通过对千兆网络信号电涌保护器试验测试,符合GB/T18802.21-2004的规定要求,具有通流容量大、信号衰减小及数据记录准确的特点。其在千兆网络信号的雷电防护中具有一定的应用价值。

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