Simulation Analysis for Induced Voltage and Induced Current in the Steel Frame Construction Under UHV AC Transmission Lines

WANG Ranran; XU Jing; LI Ziyang; LIU Xiaolin; MA Fang; HU Anrui

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Simulation Analysis for Induced Voltage and Induced Current in the Steel Frame Construction Under UHV AC Transmission Lines

更新时间：2025-12-08

- Simulation Analysis for Induced Voltage and Induced Current in the Steel Frame Construction Under UHV AC Transmission Lines
- Vol. 47, Issue 2, Pages: 724-731(2021)
- 作者机构：
  
  1. 山东农业大学机械与电子工程学院
  2. 山东电力工程咨询院有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published Online：28 February 2021，
  
  Published：2021
- 稿件说明：
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WANG Ranran, XU Jing, LI Ziyang, et al. Simulation Analysis for Induced Voltage and Induced Current in the Steel Frame Construction Under UHV AC Transmission Lines[J]. 2021, 47(2): 724-731.
DOI：

WANG Ranran, XU Jing, LI Ziyang, et al. Simulation Analysis for Induced Voltage and Induced Current in the Steel Frame Construction Under UHV AC Transmission Lines[J]. 2021, 47(2): 724-731. DOI：

摘要

根据目前建成投运的1 000 kV榆横—潍坊特高压交流输电线路运行情况

线路下存在大棚等钢架结构建筑物时

其内钢架结构会产生很大的感应电流。为保证农业生产人员的安全工作

以钢架大棚为例

利用Ansys仿真软件建立了结合无限元的特高压交流双回输电线路计算模型

仿真计算线路下方钢架上产生的感应电压和感应电流大小。分析表明:利用有限元–无限元相结合的方法进行建模仿真

计算机的仿真效率提升明显;线路下方钢架结构建筑上的感应电压和感应电流密度受线路运行电流等级、钢架与线路轴线距离的影响较大;线路架设高度对感应电压和感应电流的影响随着钢架距离线路轴线距离的不同呈现出不同变化;综合考虑线路架设成本和输电效率等因素

建议将线路设计在距离建筑70 m以外。

Abstract

According to the operation status of the 1 000 kV Yuheng-Weifang UHV AC transmission lines currently completed and put into operation

steel frame structures such as greenhouses exist under the lines

and heavy inductive currents will be generated in the steel frame structures. To ensure the safety of agricultural workers

a steel frame greenhouse was taken as an example

and the calculation model of UHV AC double-circuit transmission lines with the infinite element was established by the Ansys simulation software. Moreover

the induced voltage and induced current generated on the steel frame were calculated by simulation. According to simulation results

by using finite element-infinite element method for modeling and simulation

the simulation efficiency of the computer is improved obviously. The induced voltage and induced current density on the steel frame structure under the lines are greatly affected by the current level of the lines and the distance between the steel frame and the line axis. The influence of erection height on induced voltage and induced current varies with the distance between steel frame and line axis. After factors such as line erection cost and transmission efficiency are taken into consideration

it is recommended to design the line 70 meters away from the building.

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