METHOD FOR COMPUTING THE SURGE IMPEDANCE OF TRANSMISSION LINE TOWER BY ELECTROMAGNETIC FIELD THEORY.

被引：0
|
作者：
Okumura, Kohsi [1 ]
Kijima, Akira [1 ]
机构：
[1] Kyoto Univ, Jpn, Kyoto Univ, Jpn
来源：
Electrical Engineering in Japan (English translation of Denki Gakkai Ronbunshi) | 1985年 / 105卷 / 06期
关键词：
ELECTRIC MEASUREMENTS - Impedance - ELECTRIC POWER TRANSMISSION; EHV - ELECTRIC POWER TRANSMISSION; UHV - ELECTROMAGNETIC FIELD THEORY;
D O I：
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中图分类号：
学科分类号：
摘要：
From viewpoints of EHV and UHV transmission planning, it is very important to calculate the potential rise of a transmission tower subject to lightning stroke. A new method is proposed to calculate the surge impedance of a transmission tower taking into account the tower structure which has been neglected so far. The results calculated by the proposed method agree well with those measured by the direct method. The fact that the propagation velocity of the current wave on the tower is approximately 70 to 90 percent light velocity has also been confirmed experimentally by the proposed method.
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页码：56 / 64
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