Review on the Related Problems of DC Magnetic Bias

WEN Xishan; GUO Tingting; HE Zhiqiang; YANG Qi; LU Hailiang

doi:10.13296/j.1001-1609.hva.2016.06.001

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Review on the Related Problems of DC Magnetic Bias

更新时间：2025-04-26

- Review on the Related Problems of DC Magnetic Bias
- High VoltageApparatus Vol. 52, Issue 6, Pages: 1-8(2016)
- 作者机构：
  
  1. 武汉大学电气工程学院
  2. 国网湖南省电力公司电力科学研究院
  3. 国网湖南省电力公司带电作业中心
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2016.06.001
  CLC： TM744
- Published：2016
- 稿件说明：
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[1]文习山,郭婷婷,何智强,杨琪,鲁海亮.直流偏磁相关问题研究综述[J].高压电器,2016,52(06):1-8.

WEN Xishan, GUO Tingting, HE Zhiqiang, et al. Review on the Related Problems of DC Magnetic Bias[J]. High voltageapparatus, 2016, 52(6): 1-8.
[1]文习山,郭婷婷,何智强,杨琪,鲁海亮.直流偏磁相关问题研究综述[J].高压电器,2016,52(06):1-8. DOI： 10.13296/j.1001-1609.hva.2016.06.001.

WEN Xishan, GUO Tingting, HE Zhiqiang, et al. Review on the Related Problems of DC Magnetic Bias[J]. High voltageapparatus, 2016, 52(6): 1-8. DOI： 10.13296/j.1001-1609.hva.2016.06.001.

摘要

随着特高压直流工程的实施

由直流极单极大地回线运行引起的直流偏磁现象对电网安全运行造成了严重威胁。文中首先分析了交流电网直流电流分布的计算方法

并详细论述了直流偏磁对变压器本体和其他电网设备的影响

以及对直流偏磁的治理原则与措施进行了综述

对当前研究的进展与不足之处进行了讨论。文中认为选取合适的各地大范围土壤结构来计算交流电网直流电流分布、多方面耦合评价直流偏磁对变压器和其他电网设备的影响以及主动防御直流偏磁的治理措施将是直流偏磁方向未来的研究重点。

Abstract

With the implementation of HVDC project

DC magnetic bias phenomenon caused by DC poles operation on mono-pole ground return mode has imposed threats on the safety of power system. In this paper

firstly

the calculation method of DC current distribution on AC grid is analyzed

then

the effects that DC magnetic bias imposes on the transformers and other equipment in power grid have been discussed

and the management principles and methods of DC magnetic bias are summarized. At last

the progress and shortcomings of current research are discussed. In DC magnetic bias future research

it is very important that choose suitable soil model to calculate the DC current distribution on AC grid and the evaluation of the influence of DC magnetic bias on transformers and other equipment of power grid in several aspects

as well as the methods to manage DC magnetic bias.

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