2) 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。
3) lightning surge current
雷击电涌电流
4) minimum shield flashover current
最小绕击闪络雷电流
1.
Through evaluation it is considered that the minimum shield flashover current is 19 kA,and the maximum shield flashover current is 40 kA without MOA;the minimum shield flashover current is 64 kA with MOA installed on both side.
应用分析后认为,未安装线路避雷器的最小绕击闪络雷电流为19 kA,最大绕击闪络雷电流为40 kA,而两边相安装了线路避雷器后最小绕击闪络雷电流为64 kA;并给出了线路避雷器安装选点的一般原则及安装、运行过程中的注意事项。
5) 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。
6) 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。
补充资料：标准冲击电流波形(见冲击电流发生器)
标准冲击电流波形(见冲击电流发生器)
standard impulse current wave form
blaozhun ehonglld}0n4一u box]ng标准冲击电流波形(standard impulse currentwave form)见冲击电流发生器。
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