Electromagnetic Environment Characteristics of UHVDC Transmission Line in High Altitude Area

WANG Guoli; LI Min; LIU Lei; LI Bin; ZENG Rong; YU Zhanqing

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Electromagnetic Environment Characteristics of UHVDC Transmission Line in High Altitude Area

更新时间：2025-12-08

- Electromagnetic Environment Characteristics of UHVDC Transmission Line in High Altitude Area
- Vol. 44, Issue 1, Pages: 264-274(2018)
- 作者机构：
  
  1. 南方电网科学研究院有限责任公司直流输电技术国家重点实验室
  2. 清华大学电机工程与应用电子技术系电力系统及发电设备控制和仿真国家重点实验室
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published Online：31 January 2018，
  
  Published：2018
- 稿件说明：
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WANG Guoli, LI Min, LIU Lei, et al. Electromagnetic Environment Characteristics of UHVDC Transmission Line in High Altitude Area[J]. 2018, 44(1): 264-274.
DOI：

WANG Guoli, LI Min, LIU Lei, et al. Electromagnetic Environment Characteristics of UHVDC Transmission Line in High Altitude Area[J]. 2018, 44(1): 264-274. DOI：

摘要

为解决高海拔特高压直流输电线路电磁环境（EME）特性、预测与防护等问题

依托特高压工程技术（昆明）国家工程实验室

建立了首个高海拔特高压直流线路电磁环境测试平台

开展了长达6 a的试验研究

获得了直流线路电磁环境参数特性规律;得到了可听噪声为1 d B/1 000 m、无线电干扰场强为4.3 d B/1 000 m的海拔修正系数

提出了考虑气象参数的直流线路无线电干扰和可听噪声的预测式

并开展了±800 k V楚穗直流线路实测对比;提出了改善线路下方地面合成场强的引流屏蔽措施

可使其最大值降低50%。

Abstract

In order to study the electromagnetic environment（EME） characteristics

prediction

and protection of UHVDC transmission line in high altitude area

in Kunming UHV national engineering laboratory

first

we established an EME testing platform of UHVDC transmission line in high altitude area

and obtained EME characteristics during experimental studies for six years.Then

we derived the altitude correction factors of the audible noise of 1 d B/1 000 m and radio interference of 4.3 dB/1 000 m

and put forward a prediction formula of radio interference strength and audible noise considering meteorological parameters.Finally

we measured the EME of the ±800 kV Chu-Sui DC transmission line for contrast

and proposed the drainage shielding methods to reduce the maximum of ground electric field strength to 50%.

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Related Institution

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