Advanced Observations of Lightning Induced Voltage on Power Distribution Lines (II)
Advanced Observations of Lightning Induced Voltage on Power Distribution Lines (II)
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DOI：
10.1109/mper.1989.4310334
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发表时间：
1986-04
期刊：
影响因子：
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通讯作者：
S. Yokoyama;K. Miyake;Sukenori Fukui
中科院分区：
文献类型：
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作者：
S. Yokoyama;K. Miyake;Sukenori Fukui
作者讨论了从1984年10月到1988年3月，在一个面向日本海的发电厂的实验架空配电线上的感应电压的观测结果。同时测量了雷击某电厂高烟囱时的感应电压波形和雷击烟囱时的电流波形。雷感应电压与雷击电流的极性相反，与季节无关。除特殊情况外，雷电感应电压呈单极波形。在配电线路上离雷击点最近的一点上的雷感应电压最大。采用改进的数值分析方法计算了配电线路上的感应电压波形，该方法考虑了电堆高度的影响。计算结果与实测波形吻合较好。阐明了双极感应电压不是由通常的雷击电流产生的。>
The authors discuss observations of induced voltages on the experimental overhead distribution line at a power plant facing the Japan Sea from October 1984 through March 1988. Waveforms of induced voltage from lightning strokes to a high stack of the power plant were measured simultaneously with the current waveforms of the lightning stroke to the stack. The polarity of lightning-induced voltage is opposite to that of lightning stroke current, regardless of the season. Except for unusual conditions, lightning induced voltages have a unipolar waveform. The lightning-induced voltage on the closest point of a distribution line to the lightning striking point is the maximum. The induced voltage waveforms generated on a distribution line were calculated by means of improved numerical analysis which took the height of the stack into consideration. The calculated results agree better with the measured waveforms than made those made by means of an earlier analysis method. It is clarified that bipolar induced voltages are not produced by usual lightning stroke currents. >