1) lightning waveform parameter
雷电波形参数
2) lightning parameter
雷电参数
1.
In order to master the characteristics of lightning activities in Guangzhou,this paper applies the lightning parameter statistical technology and geographic information system to particularly study the lightning amount,flash density,lightning current,thunderstorm day,as well as their distribution.
为掌握高雷区雷电活动规律,以广州地区1999~2008年间雷电定位数据为基础,利用雷电参数统计技术及综合分析平台,结合GIS系统,详细研究了广州地域地闪总数、地闪密度、雷电幅值、雷电幅值概率分布及雷电日等重要雷电参数。
3) lightning parameters
雷电参数
1.
The Lightning Parameters are very scarce in China now, and traditional lightning parameters can not fully reflect lightning activities in various regions.
我国雷电参数十分匮乏,传统的雷电参数不能全面地反映全国各个区域的雷电活动特征,但电网雷电监测网(CGLDN)长期积累的海量雷电监测数据已成为雷电参数统计的基础资料。
2.
A fire-new statistic method -line corridor grid method is used to analyze lightning parameters and weak sections for the first 1000kV alternating current ultra high voltage (UHV) transmission line in this paper.
2°网格从北向南划分该工程线路走廊为#0~#28的连续统计段,用山西、河南和湖北电网雷电定位系统2002~2005年地闪主放电资料,统计研究特高压线路沿线走廊的雷电活动特征,得出了沿线走廊每个统计段的雷电参数(雷电日Td、地闪密度Ng、地面落雷密度γ和雷电流幅值累积概率分布)并用新的雷电参数校核特高压线路绕击闪络率计算值,找出其易受雷击并发生闪络的薄弱线段,即“易闪段”,供该示范工程设计和运行参考。
3.
Obtaining actual lightning parameters is the fundament of lightning protection of transmission lines.
为此,在全面分析目前国内外现有的雷电参数获取方法的基础上,分析了与输电线路防雷分析、设计紧密相关的雷电日、地面落雷密度、雷电流幅值及雷电流波形等雷电参数的研究现状及存在的问题。
4) waveform parameter
波形参数
1.
Adopting semi-Columm testing method the relation of welding parametor and welding joint waveform parameter in explosive welding of Titanium-steel is introduced.
采用半圆柱实验法，研究了钛-钢爆炸焊接工艺参数与焊接结合波形参数间的关系。
2.
According to simulation experiment,the effective jamming waveform is established and its waveform parameter is proposed.
在分析具有增幅速率选择特性的连续波多谱勒引信工作原理的基础上,采用理论分析和仿真实验相结合的方式对该种引信的干扰波形进行研究,通过仿真实验效果来确定最佳干扰波形和设计波形参数。
3.
The simulation model of varistors and simulation circuit of CWG(combination wave generator) are set up for studying the influences of capacitor coupling and varistor coupling modes on short current waveform parameters of CWG,and the simulation results are achieved.
笔者建立了压敏电阻的仿真模型以及组合波耦合网络的MATLAB仿真电路,研究了电容耦合和压敏电阻耦合方式对组合波短路电流波形参数的影响规律。
5) waveform parameters
波形参数
1.
The simulation analysis and experimental research had been carried for studying the characteristics of the SPD(surge protective device),and the influence of capacitor coupling mode on short current waveform parameters of CWG(combination wave generator)were received.
为研究浪涌保护器的特性,采用仿真分析并进行了大量的实验研究,得出了电容耦合对组合波短路电流波形参数的影响规律:①耦合电容的加入,显著改变了组合波短路电流的波形参数,使电流波的波前时间和半峰值时间减小,反极性振荡和虚拟阻抗增加。
2.
A simulation model of varistor was set up for studying the influence of varistor on short current waveform parameters of CWG(combination wave generator),and the simulation results were received.
为了仿真分析压敏电阻对组合波短路电流波形参数的影响规律,采用了三折线法了建立了压敏电阻的仿真物理模型,在组合波未加任何负载时,短路电流的波前时间、半峰值时间、反极性震荡以及虚拟电阻分别为7。
3.
The simulation model was set up to study the impulse current characteristics of varistors,the influencing laws of dynamic resistance of varistors on 8/20 μs impulse current waveform parameters for different source resistance were presented.
为研究压敏电阻的非线性特性及其性能评估,建立了非线性压敏电阻冲击电流特性的仿真模型,并研究了压敏电阻对不同特征阻抗8/20μs冲击电流回路输出电流波形参数的影响规律。
6) lightning current waveform
雷电流波形
1.
The relationship between the impulse grounded resistance and the lightning current waveform,the relationship between the soil resistivity,and the length of radial conductor were given.
针对目前输电线路杆塔接地装置存在的遭受雷击时不能满足性能要求的问题,通过模拟计算,对多种接地装置的冲击接地电阻特性进行了分析,揭示了冲击接地电阻与雷电流波形、土壤电阻率、放射状导体长度的关系,设计了适合输电线路杆塔的接地装置结构。
2.
As a result, the proposed numerical algorithm with fast and effective properties can be successfully applied to parameter estimation of lightning current waveform in different expressions and to data compression in lightning measurement systems; it is valuable for engineering evaluation and lightning research.
雷电流波形由波前时间、波尾时间及雷电流陡度因子表征,对电力电子系统的雷电防护具有重要意义。
补充资料：标准雷电冲击电压波形(见冲击电压发生器)
标准雷电冲击电压波形(见冲击电压发生器)
standard lightning impulse voltage waveform
b一oozhun le一d一on ehongl一d一onyo boxing标准雷电冲击电压波形(standard lightningimpulse voltage waveform)见冲击电压发生器。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条