雷电过电压具有很高的幅值，但持续时间极短，以微秒计算。
Lightning voltages may be of high magnitude but are of very short duration; their time is measured in microseconds.
变电站避雷器安装位置和数量及输电线终端塔的接地电阻对雷电过电压有著直接的影响。
The location and quantity of arrestor and impulse grounding resistance of towers has direct influence on lighting overvoltage.
雷击是导致输电线路故障的重要原因之一，杆塔的雷电冲击响应特性是决定输电线路雷电过电压的重要因素。
Lightning stroke is one of the important reasons that result in power failure. Tower lightning surge response performance is the important factor deciding transmission line lightning over-voltage.
从过电压的折射和反射的原理出发，分析了带电开口运行开关容易遭受雷电过电压损坏的根本原因，提出了相应的改进保护措施。
Based on the principle of refraction and reflection, it is analyzed why electrified-opened-switch is easy damaged by lightning overvoltage.
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.
这样通过延伸机组的接地网进一步降低接地电阻，使雷电流迅速流散入大地而不产生危险的过电压。
Therefor by earthing connected net of set, it reduce earthing resistance, make the electricity discharge in earth prompt without dangerous overvoltage.
西岱尔专家认为，如果要完全消除配电线路的雷电事故，必须每基杆塔的每相都要安装过电压保护器。
West glendale experts believe that if you want to completely eliminate the distribution line lightning accident, must be installed each tower the every phase of over-voltage protector.
介绍了雷电等过电压侵入计算机（或电子设备）系统的途径，研究了如何防止由线路和地线进入的过电压。
The intrusion way of over-voltage like lightning into computer (electronic system) was intro- duced, and the protection methods against over-volt- age from circuits and ground were studied.
专家所指的配电线路雷电事故包含了直击雷事故和雷电感应过电压事故。
Experts referred to in power distribution lines lightning incident includes direct lightning and thunder and lightning induced overvoltage accident.
而雷电事故主要出现在没有安装过电压保护器的杆塔处。
And lightning accident main without installing overvoltage protector tower.
特高压变电所应适当增加MOA数量，以减小雷电侵入波过电压。
The quantity of MOA installed in UHV substation should be increased to suppress the lightning invaded over-voltage.
ZP-PS系列插座式电源浪涌保护器是专门为通信、电子设备在操作过电压和雷电感应频繁的场合而设计的。
ZP-PS series socket power surge protector is designed for communication, electronic equipment in the operation of over-voltage and lightning induction frequency.
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.
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.
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