雷电
- thunder and lightning;thunderbolt
-
[thunder and lightning] 空中带电的云在放电时所发强光与声音
-
警方和村民一致把森林失火归因于雷电。
Police and the villagers all unanimously ascribed the forest fire to thunder and lightning .
-
基于J2ME的手机游戏开发&雷电风暴
Cell-phone Games Development on the Basis of J2ME & Thunder and Lightning Storm
-
雷电闪过,房子陷入一片黑暗之中。
There was a flash of lightning and the house was plunged into darkness .
-
天气预报预测高温、大风和雷电天气将继续。
Weather forecasts predict more hot weather , gusty winds and lightning strikes .
-
雷电轰鸣,时辍时作,时强时弱,绵延不断。
These accesses and intervals of thunder and explosion continued with varied force .
-
突然雷电大作,已而大雨倾盆。
Suddenly it thundered and lightened , and then rain fell in torrents .
-
基于GIS的城市雷电灾害监测预警系统研究
The Research on GIS-based Urban Lightning Disaster Monitoring and Early Warning System
-
特高压GIS设备雷电冲击试验波形及参数探讨
Analysis and Parameter Discussion on Lightning Impulse Test Wave of UHV GIS Equipment
-
雷电电磁辐射脉冲的GPS多站同步系统
GPS-Based Multi-Station Synchronized System of Lightning Electric-Magnetic Radiation
-
GIS雷电侵入波保护
Protection for Lightning Incoming Wave in GIS
-
利用GRAPES数值模拟雷电活动的初步试验
A Preliminary Results on the Numerical Simulation of Lightning Activity Through GRAPES
-
基于IEC标准雷电后续回击电磁场的计算
The Electromagnetic Fields Calculation of Lightning Subsequent Return - Stroke Based on IEC Standards
-
110KVGIS变电所进线电缆末端雷电过电压研究
Lightning over-voltage at ends of inlet cable in 110 kV GIS substation
-
雷电过程中SO2产生COS的模拟研究
Simulative study on the formation of COS from SO_2 in thunder and lighting
-
采用MOA的输电线路雷电响应分析模型
Lightning Performance Analysis Model of Transmission Lines Applying MOA
-
雷电造成一名41岁的BrianZimmerman死亡,另有9人受伤。
A 41-year-old was killed , 9 others hurt from the storm .
-
根据雷电波的特点,在电源装置前加装电源防雷吸收装置,通过对其进行ATP仿真,表明该装置对雷电波有较好的削波效果。
A surge absorbing device was installed in front of power supply device , which showed a good surge - chipping effect at ATP simulation .
-
本文阐述了建立雷电定位分析系统的重要意义,提出基于定向定位和GPS时差定位技术的雷电定位和分析系统设计与开发方案。
In this thesis , a design and development plan for a lightening location and analytical system is put forward . The plan is based on the directional location and GPS time-of-arrival location technique .
-
OPGW断股机理是:大电流闪击电弧造成>1k°C的局部熔融区,紧跟持续电流扩展熔融区造成高温熔断,多次雷电冲击可造成多处熔伤和溅伤累积。
The mechanism of breaking is that firstly arc formed by instant high current causes partial melting zone , and at last the following several lightning impulses cause more melting .
-
用这种方法可以准确的取得ns级的雷电过电压信号,确保了用计算机模型计算绕组电压分布的准确性。
This method can accurately get lightning overvoltage signal in ns grade , which ensures the accuracy of using computer model to calculate voltage distribution in windings .
-
本文采用B/S架构,以Web开发为基础,结合AJAX技术和WEBService接口技术,在面向对象的系统分析和设计思想的指导下,阐述了雷电定位查询系统的分析、设计和实现的过程。
Based on B / S framework and Web GIS platform , applying the AJAX Technology and Web Service Interface technique , this thesis expound the analysis , design and implementation process of the lightning position and query system with the direction of object-oriented systematical analysis and design concept .
-
阐述电子信息系统雷电防护的重要性,列举了浪涌防护器(SPD)在电子信息系统中的选择及安装方法。
It mainly illustrates the importance of the lightning protection in the electronics communication system , and exemplifies the means of choosing and installing SPD in this kind of system .
-
第三部分根据雷电通道按照最大场强方向走向的原理,利用ANSYS软件进行有效的分析,仿真出雷电先导在目的物高度不同情况下的雷击选择性。
Thirdly , according to the principle of lightning channels moving from the largest direction point of electric-field , we figure out lightning strike selectivity when lightning leader has different height and level distance to ground object , using the ANSYS software .
-
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 .
-
半峰值时间t2是雷电波振幅和能量频谱分布的主要因素,t2的大小决定了低频部分的谐波丰富程度。
The half peak value time ( t2 ) of currents is a crucial factor in the frequency spectrum distribution of amplitude and energy , which determines the abundance of currents ' wave in the parts of low frequency .
-
近年来南方多雷地区发生多起由雷电侵入波过电压引起的暂时分闸的SF6断路器或电流互感器内部绝缘击穿爆炸的事故。
In the lightning intensified area at South China , the accidents of the internal insulation breakdown and explosion of temporary opening SF6 circuit breakers or current transformers caused by lightning intruding waves occurred many times in recent years .
-
讨论了由于飞机上的电气设备频繁启停、雷电放电等引起的电快速瞬变脉冲群的电磁兼容(EMC)问题,给出了抵抗瞬变脉冲群的电磁兼容标准。
This paper discusses the electromagnetic compatibility problem ( EMC ) of fast transient electric pulse train caused by frequent start of electrical equipment and thunder discharge of electrical equipment , and the EMC standard against transient pulse train is also given in the paper .
-
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 .
-
并实现网络数据通信,FTP文件上传,与远程监控的功能。论文首先介绍了云闪雷电探测的背景及发展概况、定位技术及其建设的重要意义;概述了网络传输技术与远程监控技术的发展。
The system is a distributed remote control system . Firstly , it introduces the background and developing situation , positioning technology and its significance of construction of the cloud flash detection system , summarizes the development of network transmission technology and remote monitoring technology .
-
它反映了浙江省部分地区的雷电活动规律,其计算公式已被电力行业标准DL/T620-1997《交流电气装置的过电压保护和绝缘配合》采用。
It reflects the rule of lightning activities in some areas in Zhejiang Province . The calculation formula has been employed and put into the power industry standards DL / T620-1997 , the " Over Voltage Protection and insulation Coordination of AC Electrical Apparatus " .