Surge protection Device

The influence of the distance between surge protection device ( SPD ) and protected equipment is analyzed in this paper .

分析了低压电源浪涌保护器（SPD）与被保护设备的距离及不同类型负载和不同电缆长度对保护效果的影响，给出了SPD的有效保护距离。

The power system should be equipped with four levels power surge protection device ( SPD ) .

电源系统需要安装4级电源电涌保护器。

Situation of Developing and Measure of Low Voltage Surge Protection Device

低压避雷电器发展现状与措施

Necessity of surge protection device applied in intelligent building

试论电浪涌吸收装置（SPD）在智能化建筑中全面推广应用的必要性

Setting of Surge Protection Device in Vehicle Refuelling Station

汽车加油站中电涌保护器的设置

On Choosing Surge Protection Device

如何选用浪涌过电压防护器

Compromise between the Break-over Characteristics and the Holding Current of the Multi-cell Silicon Surge Protection Device

多元胞半导体浪涌防护器转折特性与IH的折衷

Furthermore , it describes how to properly place surge protection device ( SPD ) so as to save investment .

同时从节约投资的角度讨论了如何正确设置SPD。

Defend security and online security of Surge Protection Device ( SPD ) which related directly whether the railroad signal is correct .

电涌保护器（SPD）的防护安全性和在线安全性，直接关系到铁路信号的正确与否。

Combining the actual situation of existing refuelling station , this article describes the necessity of setting up surge protection device ( SPD ) in refuelling station .

结合现有加油站的实际情况，阐述了加油站设置电涌保护器（SPD）的必要性。

Other comprehensive measures including down-conductor system , equipotential bonding , shielding , and surge protection device ( SPD ) on signal system should be adopted to protect the radar station from lightning .

还要采取引下线、等电位连接、屏蔽、信号系统安装电涌保护器等其它雷电防护的综合措施。

It is pointed out that for testing surge protection device ( SPD ), the main lightning protection device in low voltage circuit , proper parameter for lightning protection and lightning wave-shape shall be selected .

指出了低压防雷的主要产品&低压电涌保护器（SPD）在检测时，应注意合理选择防雷标准和雷电波形参数。

For preventing the thunder including the direct thunder overvoltage and inductive thunder overvoltage to rush at electric communication system , brings forward the defense measure that adopted surge protection device ( SPD ) using in communication weak electric signal .

为了防止雷电通过直击雷过电压和感应过电压这2种途径入侵电力通信系统，提出采用通信弱电信号电涌保护器（SPD）的防范措施。

Surge Handling Capability of Silicon Surge Protection Device with Multi-cell Structure

多元胞结构的半导体放电管浪涌能力研究