Ice monitoring methods were applied for 110 kV and above transmission lines with tangent towers. However, the change in the vertical span is not considered, and a significant difference lies in the tower-conductor structure of 10 kV transmission lines. For this reason, a proposal is made about the ice monitoring method for the 10 kV transmission line with tangent tower in alpine landform, which includes the ice monitoring system based on pressure measurement and corresponding equivalent ice thickness calculating methods. Different methods calculate the vertical span under different height difference coefficients. A finite element simulation model and a simulated ice load experiment system are established based on real conductors and insulators. Experiments and simulations under four simulated terrains are conducted within 2.5–20 mm ice thickness range. The comparison is made between this method and the method without considering the change in vertical span. The results show that the two methods are consistent and the relative errors are lower than ±4% in simulation and ±10% in experiment when the height difference coefficient is 0. When it is not 0, the relative errors of this method fall between +0.38% and +6.78% in simulation and −6.40% to +6.60% in experiment, while the relative errors of the method without considering the change in vertical span ranges between −11.13% and −20.23% in simulation and −11.65% to −23.20% in experiment.

中文翻译：

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高寒地貌10kV切线塔输电线路覆冰监测方法试验研究

110kV及以上切线塔输电线路采用覆冰监测方法。但没有考虑垂直跨度的变化，显着差异在于10 kV输电线路的塔导体结构。为此，提出高寒地貌10 kV切线塔输电线路覆冰监测方法，包括基于压力测量的覆冰监测系统和相应的等效冰厚计算方法。不同的方法计算不同高差系数下的垂直跨度。基于真实导体和绝缘体建立了有限元仿真模型和模拟冰荷载实验系统。在冰厚2.5-20毫米范围内进行了四种模拟地形的实验和模拟。将该方法与不考虑竖向跨度变化的方法进行了比较。结果表明，当高差系数为0时，两种方法的相对误差是一致的，模拟的相对误差小于±4%，实验的相对误差小于±10%。当高差系数不为0时，该方法的相对误差在+之间。模拟中为0.38％和+6.78％，实验中为-6.40％至+6.60％，而在不考虑垂直跨度变化的情况下，该方法的相对误差模拟为-11.13％至-20.23％，实验为-11.65％至-实验中为23.20%。