基于输电线路的受力分析计算覆冰厚度
Calculation of Ice Thickness Based on Force Analysis of Transmission Lines
杨秋 1杨柳 1熊浩 1冉爽 1安廷波2
作者信息
- 1. 贵州电网有限责任公司铜仁供电局,贵州 铜仁 554399
- 2. 中国电建集团贵州电力设计研究院有限公司,贵州 贵阳 550081
- 折叠
摘要
通过架空输电线路及杆塔体系的受力分析建立了一种新的计算方法,利用架空输电线路的力学标准方程,将导线悬点处的倾斜角、风偏角和拉力测量值等参数作为初始参数代入方程,进行逐次逼近的迭代计算,最后换算出导线的等值覆冰厚度.这种计算方法利用了各种力学参数的综合作用,能准确估算出导线在覆冰情况下的厚度.经实例验证,误差较小,证实了该力学模型的可靠性和准确性.
Abstract
The present work establishes a new calculation method through force analysis of overhead transmission lines and tower systems.Using the mechanical standard equation of overhead transmission lines,parameters such as inclination angle,wind deflection angle,and tension measurement values at the suspension point of the cable are substituted into the equation as initial parameters,and iterative calculations are carried out for successive approximations.Finally the equiva-lent icing thickness of the cable is converted.This calculation method utilizes the comprehensive effect of various mechani-cal parameters to accurately estimate icing thickness of the cable.The established mechanical model is verified by case a-nalysis to have small deviation and satisfactory reliability and accuracy.
关键词
架空输电线路/受力分析/覆冰厚度Key words
overhead transmission line/force analysis/ice thickness引用本文复制引用
出版年
2024
NETL
NSTL
维普
万方数据