提高了频率采集的精度等级,增加了信号及电源防雷击和抗电磁干扰功能模块。
The accuracy grade of frequency collection is improved, the function modular to prevent lightning and electromagnetic disturbance of signal and power source is added.
介绍高速公路通信系统电源防雷器设置方法,及通信系统电源防雷器件在选择和安装中的注意事项。
The paper introduces the setting up methods for thunder preventer for power source of communication system on freeway.
电源防雷模块应用于电子设备的电源回路中,用于保护电子设备免受电源回路感应的雷电和其它过电压而造成的损坏。
The hs protector is used for the ac power input circuit of electronic equipment; it protects the equipment from invasion by lightning surges and other abnormal voltages from the power source line.
由于采用了引脚结构,电源防雷模块可以直接焊于印刷电路板上、接在继电器等接线端子上,从而节省安装空间,经济适用。
Since it is a lead wire type device. it can be attached to printed circuit boards. the relay terminal boards. etc. ; it has a space saving shape; and it is highly economical.
本文主要针对雷电和操作过电压所引起瞬间过电压对电子设备系统的损坏,来探讨加装电源防雷器时采用四模块和3 +1模块时性能比较和分析。
Aiming at mangling of electron equipment due to transient over voltage from thunder and operation between 4 and 3 + 1 source defend thunder equipments is discussed.
介绍了方案设计的基本内容、智能化子系统配置及各子系统的具体功能,以及有关的机房、电源、防雷接地设计等。
It includes basic contents of scheme design, intelligent sub-system configuration and its concrete functions, and equipment room, power supply, anti-lightning earthing design concerned, etc.
根据国际电工委员会与国家防雷规范的要求,确定电源避雷器选型与安装的最佳途径和应注意的事项。
According to lightning protection standard of nation and International Electrotechnical Commission, the paper determines the best way to select and install lightning arrester of power.
因此,关于通信台站的电源和防雷研究成为必要。
So it is necessary for power supply and prevent lightning of communication station to make research.
计算机网络电源和信号线路的防雷击保护。
Computer network power source and signal circuit's against thunder stroke protection.
运行结果表明,该电源各项性能指标能满足设计要求,具有防雷击、适应温度范围广和成本低的优点。
Experimental results show that the switch power supply has good performance in anti lightning strike, wide temperature range and low cost.
高可靠性电源,严密的防雷系统。
安全防护电源电路:恒流驱动电路,高标准防护系统:对过压、过热、浪涌、防雷具有良好的保护作用。
Safety protection power circuit: Constant current control circuit, high standard standard protection system: preventing high voltage, temperature, surge, lightning and so on.
同时,对适合索道应用特点的电源滤波系统、广播通讯系统以及接地防雷系统的设计方法进行了探讨。
At the same time, the filtering and compensating system, the broadcasting communication system as well as the grounded and lightning protection system suiting to ropeway have been discussed.
智能型电源供应器有4个内建的电源插座,防雷击保护及过载保护。
Power supply comes with 4 built - in ac outlets, surge protected and breaker, automatic " turn - on " and " shut - down " function.
为了使系统更稳定可靠,提升了系统的防雷能力和防静电能力,并为传感器电源设计了传感器电源短路保护电路。
In order to strengthen the stability and reliability of the system, lightningproof and static-free protection is improved and power trip protection circuits are added to to the design of senor power.
简单介绍了级间配合,抑制横向过电压的产生,以及接地阻抗的简单计算和正确选用等,以达到对电源系统的有效防雷保护。
The paper describes the coordination of the multi-grade surge protection, the suppression of the transfer over voltage, as well as the calculation a…
简单介绍了级间配合,抑制横向过电压的产生,以及接地阻抗的简单计算和正确选用等,以达到对电源系统的有效防雷保护。
The paper describes the coordination of the multi-grade surge protection, the suppression of the transfer over voltage, as well as the calculation a…
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