空心并联电抗器匝间故障三阶段特性分析及综合保护方法

郭哲; 郭志广; 贾跟卯; 郎庆凯; 刘肖; 骆福权

doi:10.7500/AEPS20190304007

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空心并联电抗器匝间故障三阶段特性分析及综合保护方法

研制与开发 | 更新时间：2025-06-16

- 空心并联电抗器匝间故障三阶段特性分析及综合保护方法
- Three-stage Characteristic Analysis on Inter-turn Fault and Comprehensive Protection Method for Air-core Shunt Reactor
- 电力系统自动化-方正平台 2020年44卷第8期页码：149-156
- 作者机构：
  
  北京国网富达科技发展有限责任公司，北京市 100070
- 作者简介：
  
  郭哲(1983—)，男，通信作者，博士，工程师，主要研究方向：电力设备在线监测和带电检测技术、电力系统保护。E-mail：guozhe@sdee.sgcc.com.cn
  郭志广(1976—)，男，硕士，高级工程师，主要研究方向：电力设备在线监测和带电检测技术、电力系统保护。E-mail：guozhiguang@sdee.sgcc.com.cn
  贾跟卯（1964—）男，高级工程师，主要研究方向：直流融冰、磁控电抗器、电网动态无功补偿、串补、以及空心电抗器匝间保护技术。E-mail：gm.jia@hotmail.com
- 基金信息：
- DOI：10.7500/AEPS20190304007
  中图分类号：
- 收稿日期：2019-03-04，
  
  修回日期：2019-09-20，
  
  网络出版日期：2020-03-07，
  
  纸质出版日期：2020-04-25
- 稿件说明：
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郭哲,郭志广,贾跟卯等.空心并联电抗器匝间故障三阶段特性分析及综合保护方法[J].电力系统自动化,2020,44(8):149-156.

GUO Zhe,GUO Zhiguang,JIA Genmao,et al.Three-stage Characteristic Analysis on Inter-turn Fault and Comprehensive Protection Method for Air-core Shunt Reactor[J].Automation of Electric Power Systems,2020,44(8):149-156.
郭哲,郭志广,贾跟卯等.空心并联电抗器匝间故障三阶段特性分析及综合保护方法[J].电力系统自动化,2020,44(8):149-156. DOI： 10.7500/AEPS20190304007.

GUO Zhe,GUO Zhiguang,JIA Genmao,et al.Three-stage Characteristic Analysis on Inter-turn Fault and Comprehensive Protection Method for Air-core Shunt Reactor[J].Automation of Electric Power Systems,2020,44(8):149-156. DOI： 10.7500/AEPS20190304007.

摘要

空心并联电抗器匝间故障频发以及有效保护技术的缺乏，导致了许多着火燃烧事故。文中以多起故障案例动态录波数据为基础，综合模型匝间短路静态特性测试，以及空心线圈电磁感应特点分析，提出了并联电抗器匝间故障发展过程中出现的具有内在发展机理和外在显著电气特性的“三阶段特性”理论。指出了匝间短路环流巨大是故障发展迅速、产生巨大有功损耗以及电感损失的直接原因，进而分别提出了匝间短路初始阶段、快速发展阶段以及平衡阶段有效灵敏的保护方法。最后，通过真实模型匝间短路试验分析，证明所提保护方法能够快速可靠识别匝间短路故障。

Abstract

The frequent inter-turn faults of air-core shunt reactor and the lack of effective protection technology lead to many burning accidents. Based on analysis of the dynamic wave recording data of multiple fault cases

combined with the static characteristic test of inter-turn short circuit

and with the study and analysis of electromagnetic induction characteristic of air-core coil

this paper puts forward the theory of three-stage characteristics

which includes internal development mechanism and external remarkable electrical characteristics in the development process of inter-turn short circuit. It points that the huge inter-turn short circuit current is the direct cause of the exceedingly rapid fault development

the huge active power loss and the inductance loss. The effective and sensitive protection methods for the initial

the rapid development and the balancing stages of inter-turn short-circuit are put forward

which are verified by both real inter-turn short-circuit model test and fault wave recording data analysis. The protection method can quickly and reliably identify the inter-turn short-circuit fault and prevent combustion and ignition.

关键词

Keywords

references

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