1) lightning current impulse
雷电流冲击
1.
The paper measures the impedance characteristics of different electrical connection wires of surge protection device under lightning current impulse,and find it very important to correctly choose wires specifications and the length of electrical connection wires of surge protection device in design and construction of lightning protection for electronic system.
为了减少雷电对电子设备的破坏,笔者通过对浪涌保护器不同规格电气连线在雷电流冲击下阻抗特性测试,提出了弱电系统防雷工程在防雷设计、施工中正确选择浪涌保护器电气连线规格及控制浪涌保护器电气连线长度的重要性,为弱电系统防雷设计提供安全、有效科学实验数据。
2) Lightning impulse
雷电冲击
1.
In accordance with the project of 750 kV one-tower double-circuit transmission line to be constructed soon by Northwest China Grid Company Limited,the switching impulse(including long front time switching impulse),lightning impulse and power frequency of 750 kV one-tower double-circuit transmission line were experimentally investigated.
为取得我国750 kV同塔双回输电线路的设计依据,结合我国西北电网公司即将建设的750 kV同塔双回输变电线路工程,试验研究了750 kV同塔双回线路真型塔空气间隙操作冲击(含长波前时间)、雷电冲击和工频电压。
2.
The output performance of lightning impulse,standard switching impulse and 500 μs and 1 000 μs long wave front switching impulse voltage were tested.
介绍了国家电网公司特高压直流试验基地户外冲击试验场的7200kV/480kJ冲击电压发生器的结构特点,并对该冲击电压发生器的雷电冲击电压、标准操作冲击电压、500μs和1000μs长波头操作冲击电压的输出特性进行了试验研究。
3) Lightening impulse
雷电冲击
1.
The insulation of the model is tested by means of simulated lightening impulse voltage.
应用二维四节点有限元电场数值分析的方法,通过对500kV电力变压器段间绝缘雷电冲击试验模型关心区域内电场分布的比较,提出了一种500kV变压器段问绝缘雷电冲击试验模型的简化方案,并对该简化试验模型进行了雷电冲击试验。
5) impulse wave of lightning
雷电冲击波
6) surge current
冲击电流
1.
Test of densification effect of surge current on compacted iron powder;
冲击电流对粉末压坯致密作用的试验
2.
Analysis of surge current due to closing loop in distribution grid;
配电网络合环冲击电流的分析
3.
The mathematical model of closing loop operation is established and a method for surge current calculation based on Thevenin s equivalent is proposed in this paper.
针对合环操作冲击电流可能越限的问题,提出一种基于戴维南等值的冲击电流计算方法。
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