1) (5.50% lightning impulse breakdown voltage
雷电冲击U_(50)
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。
4) 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。
5) impulse wave of lightning
雷电冲击波
6) lightning impulse voltage
雷电冲击电压
1.
Analyzing test data by Matlab, the relation curves of 50% lightning impulse voltage to dry-arc distance for insulators with different rated voltages are obtained; the relational expressions of 50% lightning impulse voltage to dry-arc distance for insulators with rated voltage from 110 kV to 500 kV are fitted.
利用Matlab分析试验数据,得到了不同电压等级绝缘子50%雷电冲击电压与干弧距离的关系曲线,拟合出了110~500kV绝缘子50%雷电冲击电压与干弧距离的关系表达式,通过逐步提高冲击电压的峰值研究并绘制出了110kV绝缘子的伏秒特性曲线,为复合绝缘子的选型提供了参考。
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