Rated lightning impulse withstand voltage: L175KV;

额定雷电冲击耐受电压L175KV；

Operating voltage can seriously influence the over-voltage, arising from the transformer under the lightning impulse .

工作电压会严重地影响变压器遭受雷击时产生的过电压。

This paper deals with the selection lightning impulse insulation level of electrical apparatus in 500kv sub-stations by using the statistical method.

本文主要用统计方法对500千伏变电所电气设备，在雷击线路沿导线侵入雷电波情况下，雷电冲击绝缘水平的选择作了分析和探讨。

The discharging properties of air gap in natural ambience with different conditions under power frequency voltage and lightning impulse voltage are studied.

通过对该避雷器进行大量的雷电冲击放电试验，确定了间隙距离和安装位置。

There is not direct mathematical relations among virtual front time, virtual tail time and theoretical front time, theoretical tail time of lightning impulse.

雷电波的视在波头时间和视在波尾时间与理论波头时间和理论波尾时间没有直接的数学关系。

It's significant to evaluate the non-linearity of digital recorders for standard lightning impulse measurement, based on which the standard device can be set up.

本文依据国家防雷标准，以及温泉台地形、地质的实际情况对温泉台在十五改造中需要引起足够重视的防雷措施进行了具体的设计和施工。

UHV GIS equipment need to be done the lightning impulse test when leaves the factory, which can check the problems in the process of manufacturing, assembling, etc.

论述了特高压GIS设备在出厂检验时需要作雷电冲击试验，能有效检查制造、装配工艺等环节出现的问题。

The discharging curves for power frequency voltage and lightning impulse voltage are measured and its fluctuation range caused by variation of air condition is found.

该式能把工频电压和雷电冲击电压下空气隙的放电曲线箍在特定的范围内。

This paper deals with the influence of impulse generating and measuring system on the measurement of lightning impulse front time by Fast Fourier Transformation (FFT).

本文应用快速付立叶变换（FFT）计算分析了冲击发生器与分压器之间的相互作用对全波波头时间测量的影响。

Based on the frequency parameters, a new transformation method to determine the response to lightning impulse wave on transmission line with corona is proposed in this paper.

本文在频变参数基础上提出了一种计算电晕线路响应特性的新变换方法，并用其计算了线路的雷电波响应。

By means of lots of lightning impulse tests, power frequency arc tests as well as bend loading tests, a kind of clamping post composite insulators with matching insulation hoods is developed.

通过大量的雷电冲击放电试验、工频电弧试验和弯曲负荷试验等试验研究，研制出了一种放电箝位柱式复合绝缘子和配套的绝缘罩。

SC9 epoxy cast dry-type distribution line transformers and air-insulated dry-type transformers SG, good insulation, anti-short circuit ability, resistance to high levels of lightning impulse.

SC9系列环氧树脂浇注干式配电变压器和空气绝缘的SG型干式变压器绝缘性能好， 抗短路能力强， 耐雷电冲击水平高。

In this paper, the time constant of theoretical waveshape and the parameters of discharge circuit were calculated by computer according to the parameters of virtual waveshape of lightning impulse.

本文将利用计算机根据雷电波的视在波形参数来计算理论的波形时间常数和放电回路的参数，并且根据雷电波形允许的偏差计算出被试品电容复盖范围。

Resistance-reducing agent does not reduce the impulse grounding resistance under large lightning current.

降阻剂并不能降低接地极在强雷电流下的冲击接地电阻。