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高压电器  2015 

应用灰色方法预测超高压输电线路的可听噪声

DOI: 10.13296/j.1001-1609.hva.2015.09.004, PP. 22-27

Keywords: 可听噪声,输电线路,灰色关联,GM(1,N)模型,GM(0,N)模型

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Abstract:

超高压输电中,输电线下的可听噪声大小是导线选择的主要因素,所以可听噪声的预测十分重要。针对超高压输电线路可听噪声影响因素多的问题,运用灰色关联分析对影响可听噪声的环境因素、地理参数、导线结构参数等13个因素进行简化。通过分析选取影响输电线可听噪声的主要因素,建立基于灰色关联分析的灰色GM(1,9)和GM(0,9)预测模型。通过计算,得出GM(1,9)的预测精度最高,误差很小,其预测精度优于BP神经网络。和其他预测方法相比,灰色预测比较实用、有效,精度较高,可作为预测超高压输电线路可听噪声的一种简单有效的方法。

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