1、

The core function of the device is to be channel leading lightning current into the earth, then quickly extinguishing arc, preventing flashover of insulators, suppressing lightning overvoltage, improving lightning withstand level.

该装置的核心作用是给予雷电流入地通道,快速熄灭电弧,防止绝缘子闪络,抑制雷击过电压,提高线路耐雷水平。

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2、

The formula can reflect the influence of the wavefront steepness of lightning current on the transient magnetic field.

该公式可计及雷电流波头陡度对磁场的影响。

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3、

Calculation and Correction of Detour Lightning Current in Power Line

线路防雷中绕击电流的计算及修正

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4、

By Fourier series expansion of lightning current waveform in time-varying field, analytical formulations in frequency domain are derived.

通过对时变场中瞬态的雷电流波形进行傅里叶级数展开和周期延拓,得到了频域中的雷电电磁场的解析公式。

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5、

Mechanism of Magnetic Card and Appliance on Measuring Parameter of Lightning Current on High Voltage Lines

磁卡测量高压输电线路雷电参数(幅值、陡度)的应用研究

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6、

We calculate the regression curve about length of erased magnetic record and lightning current peak. We analyze the error of recording data and find a new means about direct measurement of the max lightning steepness with magnetic tapes.

作出磁带消磁长度与霄电流峰值的拟合曲线,对测量数据进行误差分析,找到利用磁带直接测量雳电流最大陡度的新方洁。

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7、

study about induced overvoltage on control cable by lightning current flow in ground wire

雷电流流过地线时控制电缆感应电压的研究

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8、

direct lightning current to aerial cables (j) : minimum lightning current which strikes an aerial cable causing a flashover to ground.

架空光缆直接雷电流(J)雷击架空光缆导致对地闪络的雷电流的最小值。

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9、

the result of computation indicates that the switch in 750 kv transmission line can work normally under the protection of the moa and the corona causes the great attenuation and distortion of lightning current and does little effect on overvoltage between the contacts.

结果表明,额定电压为600kV的MOA能有效保护进线开关,并且自身能正常工作;电晕使雷电波发生较大的衰减和变形,对开关触头间过电压幅值影响不大。

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10、

Lightning Current Withstand Capacity and Voltage Limiting Characteristics of TVS

瞬态电压抑制器的雷电通流与箝压特性测试

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11、

The Research on Measurement of Lightning Current Using Magnetic Tape

磁带测量雷电流幅值的研究

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12、

The principle and construction characteristics of recorder for lightning current are described.

磁带法测量雷电流参数,在国内外均有研究.

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13、

The formula can reflect the influence of the wavefront steepness of lightning current on transient field.

该公式可计及雷电流波头陡度对磁场的影响.

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14、

Representing the lightning current by pulse function

雷电电流的脉冲函数表示

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15、

Mechanism of Magnetic Tape and Appliance on Measuring Parameter of Lightning Current

磁带测量雷电流参数的机理及应用研究

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16、

And high amplitude lightning current is fed to grounding grids, spark discharge will be generated.

当高幅值的雷电流经接地装置注入接地网, 接地网周围的土壤会发生火花放电.

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17、

When striked by lightning, there is intensive electromagnetic interference from channel current.

雷击建筑物时, 通道电流对建筑物内部将造成强烈的电磁干扰.

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18、

In this article the author analyzed a strong lightning storm within a small field occurred in Hengshui during July 23 night and July 24, which was influenced by the result of the southwest strong air current around the subtropical high meeting the slight cold air.

本文分析了2003年7月23夜间-24日,在衡水市在受副高外围强西南气流与弱冷空气作用下,出现的一次小尺度强雷雨天气。

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19、

To explain the lightning eliminating mechanism simulation tests were carried out which reveal that the dissipating current will cut down the net charging current inside a thundercloud, slow down the rising speed of voltage and reduce the cloud voltage value so as to prevent from lightning strokes.

为探索消雷机理用体积电荷雷云进行了模拟试验。结果表明,消散电流对雷云净起电电流的削减将减缓雷云电压的上升速度并减低雷云电压数值,从而实现消雷。

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20、

Lightning protection Needle electrode Corona current;

针电极;雷云;电场强度;电晕电流;

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