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电网技术  2010 

架空输电线路分裂导线扭转刚度的计算

, PP. 210-214

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Abstract:

针对分裂导线扭转的非线性特征,提出了一种新的利用有限元数值模型计算分裂导线扭转刚度的方法。该方法在建模过程中考虑了导线、间隔棒以及塔线连接等因素的影响,可准确计算大变形、大扭转、几何非线性的分裂导线的扭转刚度。算例验证证明了所提出方法的有效性。通过分析分裂导线结构特征、导线覆冰以及分裂导线局部扭转对扭转特性的影响,得到了分裂导线扭转刚度随各种影响因素变化的规律。

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