Transformer Winding Deformation Detection and Fault Location Based on the Distributed Optical Fiber Sensing

YANG Zhaoguang; TIAN Yuan; QIN Rui; WEN Dingjun; LIU Kang; LIU Yunpeng

doi:10.13296/j.1001-1609.hva.2020.01.012

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Transformer Winding Deformation Detection and Fault Location Based on the Distributed Optical Fiber Sensing

更新时间：2025-04-26

- Transformer Winding Deformation Detection and Fault Location Based on the Distributed Optical Fiber Sensing
- High VoltageApparatus Vol. 56, Issue 1, Pages: 74-79+86(2020)
- 作者机构：
  
  1. 国网甘肃省电力公司电力科学研究院
  2. 华北电力大学河北省输变电设备安全防御重点实验室
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2020.01.012
  CLC： TM41
- Published：2020
- 稿件说明：
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[1]杨照光,田源,秦睿,温定筠,刘康,刘云鹏.基于分布式光纤传感的变压器绕组变形检测与故障定位[J].高压电器,2020,56(01):74-79+86.

YANG Zhaoguang, TIAN Yuan, QIN Rui, et al. Transformer Winding Deformation Detection and Fault Location Based on the Distributed Optical Fiber Sensing[J]. High voltageapparatus, 2020, 56(1): 74-79+86.
[1]杨照光,田源,秦睿,温定筠,刘康,刘云鹏.基于分布式光纤传感的变压器绕组变形检测与故障定位[J].高压电器,2020,56(01):74-79+86. DOI： 10.13296/j.1001-1609.hva.2020.01.012.

YANG Zhaoguang, TIAN Yuan, QIN Rui, et al. Transformer Winding Deformation Detection and Fault Location Based on the Distributed Optical Fiber Sensing[J]. High voltageapparatus, 2020, 56(1): 74-79+86. DOI： 10.13296/j.1001-1609.hva.2020.01.012.

摘要

绕组变形是变压器内部的常见故障之一

严重威胁电力系统的安全运行。目前绕组变形检测均属于离线检测

无法准确定位变形故障;带电检测由于受现场复杂电磁环境的干扰

且无法进行变形故障定位。为有效提高绕组变形在线检测的准确性

本文提出了基于分布式光纤传感的变压器绕组变形故障定位方法。搭建内置分布式光纤连续式绕组模型模拟绕组变形

当绕组发生局部形变时

利用布里渊光时域反射计（BOTDR）

对光纤应变进行测量。实验结果表明

分布式光纤传感技术能够准确的实现绕组变形的故障定位

具有良好的应用前景。

Abstract

Winding deformation is one of the common faults inside the transformer

a serious threat to the safe operation of power systems. The current winding deformation detection are off-line detection

can not accurately locate the deformation fault; live detection due to the interference of the scene of complex electromagnetic environment

and can not be fault deformation positioning. In order to improve the accuracy of on-line detection of winding deformation effectively

this paper presents a fault location method for transformer winding deformation based on distributed optical fiber sensing. The built-in distributed fiber continuous winding model is used to simulate the winding deformation. When the winding is locally deformed

the fiber strain is measured by Brillouin optical time domain reflectometer（BOTDR）. The experimental results show that the distributed optical fiber sensing technology can accurately realize the fault location of winding deformation

and have a good application prospect in the monitoring of transformer windingdeformation.

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