电涌

用于电涌保护器（SPD）检测和EMC检测。

It can be used for testing surge protective devices SPD and EMC ( electromagnetic compatibility ) .

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。

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

政府将召回在中国和菲律宾生产的APC牌的电涌保护器，原因是这些型号过热。

The government is recalling APC-branded models made in either China or the Philippines because of overheating .

在收到上述文件后，MCG将立即无偿更换被损的电涌防护器。

Upon receipt of the above , MCG will replace the unit immediately without charge .

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。

The influence of impulse current waveform on50 Hz continuous current of switching type surge protective device ( SPD ) was studied .

主要介绍了电涌保护器（SPD）的分类、保护水平Up与被保护设备的关系和配合。

The classification , protection level ( U p ) of SPD , its relation and matching with the protected equipment were introduced .

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。

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

最经济有效的方法是在本地配电盘处直接使用小型低成本的SPD防护局部产生的电涌。

The proper and most cost-effective method to protect against locally generated transients is to use smaller and less expensive SPDs directly at the local service panels .

给出了电涌保护器（SPD）电压保护水平（Up）的定义和重要性，设备的冲击耐受水平的含义，包括绝缘冲击耐受电压和电涌抗扰度。

The definition and significance of voltage protection level of SPD , the impulse withstand of electri-cal and electronic equipments , including impulse insulation withstand and surge immunity were explained .

分析了由气体放电管、电阻、暂态抑制二极管组成的BNC型信号电涌保护器的保护电路，对该保护电路进行了传输特性测试和标称放电电流的冲击实验。

The type of BNC signaling surge protection circuit , consisting of gaseous discharge tube , resistance , transient diode was analyzed .

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。

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 .

设计并试制了一种多元胞结构的半导体电涌吸收器件（SSAD），旨在降低器件工作时的最高温度并提高其过浪涌能力。

The semiconductor surge absorption device ( SSAD ) with a multi-cell structure is designed and developed .

这些高精度的微电子计算机设备内置了大量的CMOS半导体集成电路，导致过压、过流保护能力极其脆弱，无法保证在特定的空间遭受电涌时仍能安全运行。

These the high-accuracy microelectronics computer equipment has had large amount of CMOS semiconductor IC built-in , energy safety has still worked when have led to , the fault stream protect extremely fragile , unable guarantee of ability suffering an electricity in specially appointed space pouring .

DIN公司是世界一流的电涌保护设备专业制造商，为电子设备的电磁防护提供良好的解决方案，有着近百年的历史。

The DIN Company is that the first-rate electricity of world pours protecting the equipment special field manufacturer , is that the electronic equipment electromagnetism protection provides fine solving the scheme , and has close centennial history .

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。

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 .

通过大量的实验以及Cadence电路仿真，验证了该信号SPD具有较好的滤波功能，且在电涌电流冲击测试下能够有效地将残压限制在设备耐受的范围内。

Through a large number of experiments and the Cadence circuit simulation , it verified that the signal SPD had filter discrimination . And under the impulse tests of surge current , it can effectively limit the residual voltage within the tolerance which the device can take .

在正常天气或雷暴期间，是否对现场进行过电涌的测量？

Were transient measurements made at the site or during storms ?

低压供电系统电涌的成因及防护

The Causes and Prevention of the Surge in Low-voltage Power-supply System

变电所弱电系统电源电涌保护器配置方式

Configuration Scheme of Power Surge Protective Devices for Substation Secondary Equipments

工厂防雷及电涌保护措施研究

Research on anti - lightning strike and surge protection in factories

该信号是由电涌即电流所组成。

The signal consists of surges of electrons or electric current .

由此，电涌进入的路径又被重新引入到系统中来。

Thus , sneak transient pathways are reintroduced into the system .

低压电涌保护器及其元器件国际标准化研究

Research on Standardization of Low Voltage Surge Protective Devices and Its Components

高速公路线路机电系统电涌保护器的选择

Selection of the surge protecting devices in the electromechanical system of expressway

基于限压型电涌保护器能量配合的分析

Analyse on Energy Coordination between Based on Voltage Limiting SPD

计算机系统的电涌现象及其防护措施

The surge phenomenon of computer system and the protective measures

电涌保护器在低压配电系统中的配置设计

Configuration Design of SPD in Low Voltage Distribution System

医疗设备的电源电涌防护

The Protection of the power supply of medical device from the electric surge

石油库的雷电与电涌防护

Lightning Protection and Surge Protection in Petroleum Storage Depot

电厂信息系统雷击电涌防护技术探索

Researching for Protection against Lightning Electromagnetic Surge to Power Plant Digital Information System