Study on the Electric-field Inverse Problem in the Environmental Evaluation of UHVDC Transmission Lines

SONG Yan; QIN Haohao; LI Yangyang

doi:10.13296/j.1001-1609.hva.2016.06.009

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Study on the Electric-field Inverse Problem in the Environmental Evaluation of UHVDC Transmission Lines

更新时间：2025-04-26

- Study on the Electric-field Inverse Problem in the Environmental Evaluation of UHVDC Transmission Lines
- High VoltageApparatus Vol. 52, Issue 6, Pages: 50-54(2016)
- 作者机构：
  
  1. 国网湖北省电力公司
  2. 国网电力科学研究院
  3. 3. 武汉智网兴电科技开发有限公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2016.06.009
  CLC： TM721.1
- Published：2016
- 稿件说明：
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[1]宋艳,秦澔澔,李阳阳.特高压直流输电线环评中的逆问题研究[J].高压电器,2016,52(06):50-54.

SONG Yan, QIN Haohao, LI Yangyang. Study on the Electric-field Inverse Problem in the Environmental Evaluation of UHVDC Transmission Lines[J]. High voltageapparatus, 2016, 52(6): 50-54.
[1]宋艳,秦澔澔,李阳阳.特高压直流输电线环评中的逆问题研究[J].高压电器,2016,52(06):50-54. DOI： 10.13296/j.1001-1609.hva.2016.06.009.

SONG Yan, QIN Haohao, LI Yangyang. Study on the Electric-field Inverse Problem in the Environmental Evaluation of UHVDC Transmission Lines[J]. High voltageapparatus, 2016, 52(6): 50-54. DOI： 10.13296/j.1001-1609.hva.2016.06.009.

摘要

为了更好地对直流输电线路进行环境评估

得到详细的合成电场分布

文中针对直流输电线下合成电场的逆问题进行了研究。通过建立逆问题模型与方程

采用主元加权—修正Newton法对方程求解

得到输电线路的模拟场源参数

精确的计算出了直流输电线下合成电场值。结果表明:该方法有效的解决了逆问题的病态性、收敛速度问题

只需要均匀测量8个点左右即可获得一个准确的线下电场强度分布情况。在环评过程中

可以减少大量的测量工作。

Abstract

By establishing inverse problem model and equation

the solution of the equation was solved by the principal component weighted-modified Newton method

the simulation field source parameters of transmission line were obtained

and the electric field value of DC transmission line was calculated. The results show that: by this method the inverse problem of morbid state and the speed of convergence were solved effectively

the distribution of electric field intensity can be obtained by a uniform measurement of8 points. In the environmental impact assessment process

this can reduce a lot of measurement work.

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