... subscriber line interface circuit 用户线路接口电路 surge protective device 浪涌保护元件 sound pressure level 声压级 ...
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按照国家标准和有关规程规范要求,采用电涌保护器(Surge Protective Device,SPD)来抑制 线路上的电涌和瞬时过电压,泄放电涌电流,是低压系统和电子信息系统防护雷电灾害的重要举 措。
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SPD surge protective device 浪涌保护元件
Surge protective device assembly 组合式电涌保护器
The influence of impulse current waveform on 50 Hz continuous current of switching type surge protective device(SPD) was studied.
研究了冲击电流波形对开关型电涌保护器(SPD)的工频续流的影响。
According to the application comprehensive of the shield, equipotential bonding and surge protective device, the combination protection of the automatic system is realized.
综合应用屏蔽、等电位连接和电涌保护器等基本防护措施,实现了自动化系统的雷电综合防护。
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