Influence Analysis of Conductor Surface Maximum Electric Field Strength on DC Transmission Line Electromagnetic Environment

YUAN Hai-yan; ZHUANG Yan-fei; YAO Jin-xia; LIU Min

doi:10.13296/j.1001-1609.hva.2013.10.005

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Influence Analysis of Conductor Surface Maximum Electric Field Strength on DC Transmission Line Electromagnetic Environment

更新时间：2025-04-26

- Influence Analysis of Conductor Surface Maximum Electric Field Strength on DC Transmission Line Electromagnetic Environment
- High VoltageApparatus Vol. 49, Issue 10, Pages: 7-12(2013)
- 作者机构：
  
  1. 山东电力集团公司电力科学研究院
  2. 2. 山东电力集团公司检修公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2013.10.005
  CLC： TM751
- Published：2013
- 稿件说明：
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[1]袁海燕,庄燕飞,姚金霞,刘民.导线表面最大场强对直流输电线路电磁环境的影响分析[J].高压电器,2013,49(10):7-12.

YUAN Hai-yan, ZHUANG Yan-fei, YAO Jin-xia, et al. Influence Analysis of Conductor Surface Maximum Electric Field Strength on DC Transmission Line Electromagnetic Environment[J]. High voltageapparatus, 2013, 49(10): 7-12.
[1]袁海燕,庄燕飞,姚金霞,刘民.导线表面最大场强对直流输电线路电磁环境的影响分析[J].高压电器,2013,49(10):7-12. DOI： 10.13296/j.1001-1609.hva.2013.10.005.

YUAN Hai-yan, ZHUANG Yan-fei, YAO Jin-xia, et al. Influence Analysis of Conductor Surface Maximum Electric Field Strength on DC Transmission Line Electromagnetic Environment[J]. High voltageapparatus, 2013, 49(10): 7-12. DOI： 10.13296/j.1001-1609.hva.2013.10.005.

摘要

介绍了高压直流输电线路导线表面最大场强和线路电磁环境参数的计算方法。针对±660 kV直流输电线路

分析了导线表面最大场强对地面合成电场、地面离子流密度、无线电干扰和可听噪声的影响

得出正极导线电压在620

80 kV之间变化时

随着导线表面最大场强的增大

地面合成电场和地面离子流密度分别增加1.2倍和2.8倍;导线表面最大场强对无线电干扰和可听噪声的影响相对较小

分别增加17%和0.3%。±660 kV直流输电线路在额定电压范围内运行时

电磁环境指标不会超出《高压直流架空送电线路技术导则》的规定。

Abstract

The calculation method of the HVDC transmission line conductor surface maximum field strength and electromagnetic environment parameters. For ±660 kV DC transmission line

the influence of the conductor surface maximum field strength on the ground synthetic electric field

the ground ion current density

radio interference and audible noise were analyzed. When the positive conductor voltage is between 620 kV to 680 kV

with the increase of the conductor surface maximum field strength

the synthetic ground electric field and ground ion current density increase by 1.2 times and 2.8 times. The influence on the radio interference and audible noise are relatively small

and the increased values are17% and 0.3% respectively. When the ±660 kV DC transmission line is under rated voltage

the electromagnetic environmental indicators will not exceed the specified value in high voltage direct current overhead transmission line technical guidance.

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