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A Review on the Deviation of High Voltage Transmission Lines Caused by Wind

机译:浅析风力造成的高压输电线路偏差

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In China, with the development of high voltage, long distance transmission line surge in demand, meeting the requirements of the insulator string length is also increasing, which lead to frequent occurrence of wind partial flashover accidents, and this is a serious threat to the safe and stable operation of power systems. Therefore, it is very significant to study the wind deviation problem of high voltage overhead transmission line. In this paper, to study the problem of wind deflection of high voltage overhead transmission lines, a large number of documents have been collected. At first, the calculation method of the wind deviation model and the wind deflection angle of the insulator string is introduced. Then, according to the stress analysis of the insulator string hanging point, the calculation model of the wind deflection angle is revised. Afterward, the deficiency of the wind angle calculation under the static equilibrium method is analyzed; The wind load adjustment coefficient is studied on the problem that the value calculated by the formula is smaller than the actual value. Finally, it also includes the study on wind deviation under pulsating wind.
机译:在中国,随着高电压的发展,长途传输线的需求浪涌,满足绝缘子弦长度的要求也在增加,这导致频繁发生风偏闪过热血机构,这是对安全的严重威胁电力系统稳定运行。因此,研究高压架空传输线的风偏差问题非常重要。在本文中,为了研究高压架空传输线的风偏转问题,已经收集了大量文档。首先,引入了风偏差模型的计算方法和绝缘体串的风偏转角。然后,根据绝缘体串悬挂点的应力分析,修改了风偏转角的计算模型。之后,分析了在静态平衡法下的风角计算的缺陷;研究了风负荷调整系数对由公式计算的值小于实际值的问题。最后,它还包括脉动风中的风偏差研究。

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