Reviews of the Restraining Measures of DC Bias

XIAO Benwang; WANG Yuhong; OU Lin; ZHANG Chao; ZHANG Biao

doi:10.13296/j.1001-1609.hva.2015.10.035

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Reviews of the Restraining Measures of DC Bias

更新时间：2025-04-26

- Reviews of the Restraining Measures of DC Bias
- High VoltageApparatus Vol. 51, Issue 10, Pages: 209-216(2015)
- 作者机构：
  
  1. 四川大学电气信息学院
  2. 重庆市电力公司电力科学研究院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2015.10.035
  CLC： TM407
- Published：2015
- 稿件说明：
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[1]肖本旺,王渝红,欧林,张超,张彪.直流偏磁抑制措施研究综述[J].高压电器,2015,51(10):209-216.

XIAO Benwang, WANG Yuhong, OU Lin, et al. Reviews of the Restraining Measures of DC Bias[J]. High voltageapparatus, 2015, 51(10): 209-216.
[1]肖本旺,王渝红,欧林,张超,张彪.直流偏磁抑制措施研究综述[J].高压电器,2015,51(10):209-216. DOI： 10.13296/j.1001-1609.hva.2015.10.035.

XIAO Benwang, WANG Yuhong, OU Lin, et al. Reviews of the Restraining Measures of DC Bias[J]. High voltageapparatus, 2015, 51(10): 209-216. DOI： 10.13296/j.1001-1609.hva.2015.10.035.

摘要

直流偏磁发生时

会影响变压器的运行

严重时甚至会威胁到整个电网的安全。文中指出了直流偏磁产生的原因、产生的影响。对当前抑制直流偏磁的措施

如反向注入电流法、中性点串联电阻法、中性点串联电容法、中性点串联阻容法等方法的原理进行了综述

主要从技术和经济上比较了各个措施的优缺点

对这些抑制措施在国内外的实际应用进行了介绍

展望了当前的发展趋势和主要的研究方向。

Abstract

When DC bias occurs in power system

the operation of some transformers in the system will be influenced

the security of the whole system will be under threaten if the situation is terrible. The reasons of DC bias and its impact to the system are analyzed. The restraining measures of DC bias such as injecting reverse DC at the neutral point of the transformers

using a series neutral resistor

putting a capacitor in series between transformer neutral and ground

putting a capacitor and a resistor in series between transformer neutral and ground etc. are detailed introduced in this paper. It also compares the advantages and disadvantages of each measure technically and economically

summarizes the applicable occasions. Moreover

this paper points out the developing trends and research directions in the future.

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Related Author

HU Jing-jing1

ZENG Li2

RAO Lin2

QIU Jin

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WU Shipu

WANG Ling

YANG Jiawei

Related Institution

The Key Laboratory of High Voltage Engineering and Electrical New Technology,Ministry of Education,Chongqing University

Sichuan Deyang Electric Power Bureau

China Electric Power Research Institute

College of Electronic Engineering & New Energy,China Three Gorges University

Gansu Electric Power Research Institute

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