电源防雷器

电源防雷器四模块性能研究

Performance in Four Source Defend Thunder Equipment

浅议高速公路通信系统电源防雷器设置方法

Superficial Analysis of Setting up Methods for Thunder Preventer for Power Source of Communication System on Freeway

通信电源防雷器自脱扣原理的研究计算器时钟切换及自动关断电路的分析与改进

Study on the Auto - break - off Mechanism of Telecommunication Power Lightning Protector Improvement of Clock Switching Circuit and Auto Power - Off Circuit in Calculator IC 's

简单介绍电源防雷器和信号防雷器的性能和安装，以及接地线阻抗的简单计算和正确选用，达到有效防雷。

The paper describes the features and installation of the power supply arrestor and the signal arrestor , as well as the calculation and selection of the resistance of the grounded wire for effective lightning protection .

分析了燃气储配站油位变送器和压力变送器遭受雷击的原因，采用电源防雷器和信号防雷器进行防雷改造，改造后效果良好。

The reasons that the oil level transmitter and pressure transmitter in the gas distribution station have been struck by lightning are analyzed . The reform of lightning protection is conducted with lightning protection devices for power supply and signal , and the result is better .

一种控制系统用电源防雷保护器设计

Design of Lightning Protective Device Installed on AC Power Lines for a Control System

铁路信号设备需要适合于铁路特定要求的专用防雷保安器。铁路电源设备专用防雷保安器应当无劣化现象，在雷击损坏时为开路模式，必须为可插拔结构和有较低的残压。

Railway signaling equipment requires dedicated lightning protectors and the protector for railway power supply should not be of low quality , in open failure mode when damaged by lightning , of pluggable construction , and with lower residue voltage .