500 kV输电线路耐张塔跳线风偏旋转特性研究

赵国; 祝和平; 李树林; 宋昊然

doi:10.13296/j.1001-1609.hva.2026.10.020

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500 kV输电线路耐张塔跳线风偏旋转特性研究

研究与分析 | 更新时间：2026-10-14

- 500 kV输电线路耐张塔跳线风偏旋转特性研究
- Research on Windage Yaw Rotation Characteristics of Tension Tower Jumper of 500 kV Transmission Line
- 高压电器 2026年62卷第10期页码：175-182
- 作者机构：
  
  湖北工业大学电气与电子工程学院，武汉 430068
  湖北工业大学太阳能高效利用及储能运行控制湖北省重点实验室，武汉 430068
- 作者简介：
  
  赵国（1985—），男，博士，副教授，从事新能源发电技术及微电网规划、系统辨识及其在电力系统中的应用（E-mail：zhaoguo@hbut.edu.cn）。
  祝和平（1999—），男，硕士研究生，从事架空输电线路风偏风险评估及治理措施研究（通信作者）（E-mail：122813378@qq.com）。
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2026.10.020
  中图分类号：
- 收稿：2026-05-03，
  
  修回：2026-07-09，
  
  纸质出版：2026-10-16
- 稿件说明：
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赵国, 祝和平, 李树林, 等. 500 kV输电线路耐张塔跳线风偏旋转特性研究[J]. 高压电器, 2026,62(10):175-182.

ZHAO Guo, ZHU Heping, LI Shulin, et al. Research on Windage Yaw Rotation Characteristics of Tension Tower Jumper of 500 kV Transmission Line[J]. High Voltage Apparatus, 2026, 62(10): 175-182.
赵国, 祝和平, 李树林, 等. 500 kV输电线路耐张塔跳线风偏旋转特性研究[J]. 高压电器, 2026,62(10):175-182. DOI： 10.13296/j.1001-1609.hva.2026.10.020.

ZHAO Guo, ZHU Heping, LI Shulin, et al. Research on Windage Yaw Rotation Characteristics of Tension Tower Jumper of 500 kV Transmission Line[J]. High Voltage Apparatus, 2026, 62(10): 175-182. DOI： 10.13296/j.1001-1609.hva.2026.10.020.

摘要

强风环境下，输电线路耐张塔跳线结构会发生旋转，使得跳线与杆塔之间的间隙小于安全值，造成风偏闪络事故。为了探究耐张塔跳线风偏旋转特性，阐明其对输电线路风偏跳闸风险的影响，文中搭建了某地区500 kV耐张塔绝缘子串—跳线—笼式跳线骨架耦合有限元模型，对跳线悬垂绝缘子串数、笼式跳线骨架长度以及风向角对跳线风偏旋转角度的影响进行了讨论，并结合平均风速为35 m/s的脉动风况对该跳线模型进行了脉动风偏响应分析。最后对实际耐张塔跳线最小绝缘间隙进行计算，得出结论：考虑跳线风偏旋转角度会使绝缘间隙减小，且在大风工况下，跳线最小绝缘间隙会小于规程值，使得输电线路存在较大的风偏跳闸风险。

Abstract

Under strong wind conditions

the jumper structure of the tension tower in transmission lines may undergo rotation

causing the clearance between the jumper and the tower to fall below the safety threshold

thereby resulting in windage yaw flashover accidents. For exploring the windage yaw rotation characteristics of strain tower jumper and clarifying its influence on the risk of windage yaw tripping of transmission lines

a coupled finite element model of insulator string-jumper-cage jumper frame for 500 kV strain tower in a certain area is established. The influence of the number of suspension insulator strings of the jumper

the length of cage jumper frame

and the wind direction angle on the windage yaw rotation angle of jumper are discussed. In addition

a fluctuating wind response analysis of the jumper model is carried out under a fluctuating wind condition with an average wind speed of 35 m/s. Finally

the minimum insulation clearance of the actual strain tower jumper is calculated. It is concluded that consideration of th windage yaw rotation angle of the jumper leads to a reduction in the insulation clearance. Moreover

under high wind operating conditions

the minimum insulation clearance of the jumper may fall below below the value specified in the regulations

posing a significant risk of windage yaw trip-out for the transmission line.

关键词

Keywords

references

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