CN105044577B - 一种变压器局部放电带电检测方法 - Google Patents
一种变压器局部放电带电检测方法 Download PDFInfo
- Publication number
- CN105044577B CN105044577B CN201510528607.1A CN201510528607A CN105044577B CN 105044577 B CN105044577 B CN 105044577B CN 201510528607 A CN201510528607 A CN 201510528607A CN 105044577 B CN105044577 B CN 105044577B
- Authority
- CN
- China
- Prior art keywords
- spectrogram
- transformer
- signal
- shelf depreciation
- phase
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 35
- 230000002776 aggregation Effects 0.000 claims abstract description 12
- 238000004220 aggregation Methods 0.000 claims abstract description 12
- 230000000903 blocking effect Effects 0.000 claims abstract description 11
- 238000000926 separation method Methods 0.000 claims abstract description 7
- 230000000630 rising effect Effects 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 9
- 238000002474 experimental method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 3
- 230000000737 periodic effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000003862 health status Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Testing Relating To Insulation (AREA)
Abstract
Description
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510528607.1A CN105044577B (zh) | 2015-08-25 | 2015-08-25 | 一种变压器局部放电带电检测方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510528607.1A CN105044577B (zh) | 2015-08-25 | 2015-08-25 | 一种变压器局部放电带电检测方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105044577A CN105044577A (zh) | 2015-11-11 |
CN105044577B true CN105044577B (zh) | 2018-03-06 |
Family
ID=54451261
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510528607.1A Active CN105044577B (zh) | 2015-08-25 | 2015-08-25 | 一种变压器局部放电带电检测方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105044577B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115116308A (zh) * | 2022-06-15 | 2022-09-27 | 华南理工大学 | 一种适用于实验室的局部放电检测教学***及方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103197218B (zh) * | 2013-04-23 | 2016-03-16 | 国家电网公司 | 一种高压电缆绝缘缺陷局放带电检测诊断方法 |
CN103499775B (zh) * | 2013-08-29 | 2016-04-13 | 国家电网公司 | 一种基于局部放电频率特性检测xlpe绝缘程度的方法 |
CN103645425B (zh) * | 2013-11-15 | 2015-06-10 | 广东电网公司电力科学研究院 | 一种高压电缆绝缘缺陷局部放电在线监测诊断方法 |
CN103698669B (zh) * | 2013-12-12 | 2016-08-17 | 广东电网公司东莞供电局 | 一种高压电力设备局部放电脉冲分离方法 |
CN104360244A (zh) * | 2014-11-07 | 2015-02-18 | 华北电力大学 | 一种固态变压器局部放电在线监测方法 |
CN104655996A (zh) * | 2015-02-04 | 2015-05-27 | 国家电网公司 | 一种gis电缆终端局部放电带电检测装置及其使用方法 |
-
2015
- 2015-08-25 CN CN201510528607.1A patent/CN105044577B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN105044577A (zh) | 2015-11-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105606975B (zh) | 一种可定位的特高频电缆局部放电检测方法和装置 | |
CN103645425B (zh) | 一种高压电缆绝缘缺陷局部放电在线监测诊断方法 | |
CN206671472U (zh) | 高压电缆局部放电检测装置 | |
CN102253283B (zh) | 一种基于小波包能量谱的分布式微网并网孤岛检测方法 | |
CN101943719A (zh) | 一种同频异步核相方法 | |
CN103884943B (zh) | 一种变压器绕组变形综合分析诊断方法 | |
CN204044292U (zh) | 用于封闭式组合电器绝缘缺陷局部放电在线监测的*** | |
CN106324461A (zh) | 一种gis间隔交流耐压试验绝缘监测***和监测方法 | |
CN104748838B (zh) | 基于有限元分析的变压器绕组松动判断***和方法 | |
CN101907437A (zh) | 一种基于小波差分算法的电缆故障测距方法 | |
CN104407230B (zh) | 用于高压套管的频域介电谱测量装置 | |
CN106771922A (zh) | 一种高压电力设备局部放电检测***及局部放电识别方法 | |
WO2016065959A1 (zh) | 中性点不接地的10kV***中铁磁谐振的诊断方法 | |
CN107831404A (zh) | 基于高频脉冲电流法定位xlpe电缆局放位置的方法及*** | |
CN106249076A (zh) | 受谐波负载影响下的配电变压器状态检测方法及*** | |
CN111007365A (zh) | 一种基于神经网络的超声波局部放电识别方法及*** | |
CN202041614U (zh) | 一种超高压电缆线路绝缘缺陷局部放电信号识别装置 | |
CN106092309A (zh) | 电力变压器有载分接开关及本体振动信号的分析提取方法 | |
CN204214974U (zh) | 高压电力电缆终端在线监测装置 | |
CN203732677U (zh) | 全绝缘管型母线的绝缘状态检测装置 | |
CN103713244B (zh) | 一种用于配电电缆局部放电的带电检测方法 | |
CN105044577B (zh) | 一种变压器局部放电带电检测方法 | |
CN105067960B (zh) | 一种基于大数据的配电网故障定位***及其方法 | |
CN201387462Y (zh) | 一种用于检验绝缘油介电强度测试仪的装置 | |
CN109299667A (zh) | 一种电气消防安检便携式检测装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB03 | Change of inventor or designer information |
Inventor after: Zhang Xin Inventor after: Tang Qinghua Inventor after: Wang Nan Inventor after: Wang Wei Inventor after: Zhu Mingzheng Inventor after: Li Xu Inventor after: Yang Lei Inventor after: Liu Yan Inventor before: Zhang Xin Inventor before: Tang Qinghua Inventor before: Wang Nan Inventor before: Wang Wei Inventor before: Zhu Mingzheng Inventor before: Li Xu Inventor before: Yang Lei |
|
CB03 | Change of inventor or designer information | ||
GR01 | Patent grant | ||
GR01 | Patent grant |