雷电流

对于接地网，尤其是大型接地网，其感性分量是无法忽略的；在含有高频分量的雷电流等冲击电流作用下，地网电感效应明显，甚至起到主要作用。

The grounding grid , especially in large grounding grid , the inductive component can not be neglected ; in the role of the impulse current containing high frequency components , such as the lightning current , the inductance effect significantly and even played a major role .

220kV新杭线Ⅰ回路27年雷电流幅值实测结果的技术分析

Technical analysis of testing results for lightning current amplitude in 27 years on 220 kV Xin-Hang No.1 line

雷电流强度不大于104A所占比例最大，强度大于104A的强雷电主要集中在南部地区，以正闪为主；

Intensity of lightning current which is less than or up to 10 KA accounts for the largest share , but ones which is more than 10 KA mostly locate in southern region , which mostly are positive flashes .

雷电流监测装置安装位置对测量结果的影响分析

Influence of Lightning Monitoring Device Position on Measured Lightning Current Parameters

雷电流直接测量与间接估测方法研究进展

The Review of Direct Measurement and Indirect Estimation of Lightning Current

雷电流陡度与幅值的相关性初探

Correlation Discussion between Lightning Current Gradient and It 's Amplitude

雷电流参数与海拔高度、地理纬度关系的统计分析

A Statistic Analysis Between the Parameters of Lightning Current and Altitude Latitude

雷电流通过人体的物理学机理研究

The Research on Physical Mechanism about how Thunder Current Passes the Body

估算雷电流侵入设备的一种简易方法

A kind of simple estimated method of lightning flows invading the equipments

直接雷击时建筑物避雷系统中的雷电流响应

Transient Responses in the Building Lightning Protection Systems Due to Direct Lightning Stroke

高幅值雷电流和低幅值雷电流均能造成断股。

The broken strand can be caused by both high and low amplitude lightning currents .

做好雷电流数学模型的分析与仿真，对雷电的研究与防护具有重要意义。

The simulation and analysis of lighting current mathematic models is important to lighting research and protection .

文内阐述了，并不是雷电流的幅值越高，相应的进线危险段就一定越长；

The paper indicates that a higher amplitude of lightning current does not always correspond to a longer vulnerable section .

雷电流最大陡度是导致二次设备电磁感应过电压、输电线路反击过电压的关键参数。

Lightning supreme steepness is the key parameter for induced over-voltage of secondary equipment EMI and over-voltage of transmission line back striking .

通过系统可实时获得雷击的时间、位置、强度、极性、雷电流等雷电参数。

Some thunder and lightning parameters such as time , position , intensity , polarity of thunder strike could be obtained quickly by this system .

最危险的雷电流幅值是会产生反击，但又不足以引起再闪络。

The most dangerous lightning current has such an amplitude which is able to produce back flashover but not high enough to cause repeated flashovers .

研究表明，在雷直击建筑物时的电磁暂态研究中，对波头为微秒级的雷电流源，辐射分量可忽略不计。

Two components including induction and radiation field were compared , and the radiation field could be neglected when current wave front time is about microsecond .

通过计算，分析雷击接触网的各种情况，提出了接触网上大气过电压的计算方法，计算了在各种情况下引起接触网闪络的雷电流幅值与概率。

This paper analyzes different lighting condition on catenary , put forward a calculation method about atmosphere overvoltage and calculate lighting current amplitude and its probability of catenary flashover in different condition .

然后，又提出利用S变换暂态能量比对四种暂态信号进行一一识别，并对故障点距离、故障时刻、过渡电阻和雷电流幅值对暂态能量比的影响进行了分析。

Then , using S transform transient energy ratio to recognize the four transient signal , and one of the fault distance , time , transition resistance and lightning current amplitude of transient energy ratio are analyzed .

瞬态电压抑制器的雷电通流与箝压特性测试

Lightning Current Withstand Capacity and Voltage Limiting Characteristics of TVS

接地的目的是提供故障电流和雷电流泄流通道，保证系统、设备和人员安全。

The aim of grounding is to provide the discharging channels for fault current and lightning current and ensure the safety of the system , the equipment and the personnel .

给出了华中电业管理局半导体消雷器雷电观测站自动测量出的18次雷击的28个雷电流值。

Using an automatic recorder 28 data of lightning currents in 18 times lightning stroke have been recorded for the Semiconductor Lightning Eliminator on the dispatching building of Central Chima Power Network .

采用雷电综合定位系统，可精确测出雷电发生的时间、地点、雷电流幅值等雷电参数。

By the combined lightning locating system , the time , the position , the amplitude of lightning current , the parameters of lightning , etc , can be precisely measured .