CN103698669B - 一种高压电力设备局部放电脉冲分离方法 - Google Patents
一种高压电力设备局部放电脉冲分离方法 Download PDFInfo
- Publication number
- CN103698669B CN103698669B CN201310676725.8A CN201310676725A CN103698669B CN 103698669 B CN103698669 B CN 103698669B CN 201310676725 A CN201310676725 A CN 201310676725A CN 103698669 B CN103698669 B CN 103698669B
- Authority
- CN
- China
- Prior art keywords
- discharge pulse
- form factor
- frequency
- equivalence
- partial discharge
- 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
- 230000005611 electricity Effects 0.000 title claims abstract description 25
- 238000000926 separation method Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 17
- 238000010587 phase diagram Methods 0.000 claims abstract description 17
- 238000001228 spectrum Methods 0.000 claims abstract description 17
- 238000013507 mapping Methods 0.000 claims abstract description 4
- 230000009466 transformation Effects 0.000 claims description 15
- 238000005070 sampling Methods 0.000 claims description 9
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000003745 diagnosis Methods 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000003909 pattern recognition Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Landscapes
- Testing Relating To Insulation (AREA)
Abstract
Description
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310676725.8A CN103698669B (zh) | 2013-12-12 | 2013-12-12 | 一种高压电力设备局部放电脉冲分离方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310676725.8A CN103698669B (zh) | 2013-12-12 | 2013-12-12 | 一种高压电力设备局部放电脉冲分离方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103698669A CN103698669A (zh) | 2014-04-02 |
CN103698669B true CN103698669B (zh) | 2016-08-17 |
Family
ID=50360264
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310676725.8A Active CN103698669B (zh) | 2013-12-12 | 2013-12-12 | 一种高压电力设备局部放电脉冲分离方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN103698669B (zh) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104635126A (zh) * | 2015-01-27 | 2015-05-20 | 国家电网公司 | 一种基于滑动窗口的局部放电单脉冲提取方法 |
CN105044577B (zh) * | 2015-08-25 | 2018-03-06 | 国网天津市电力公司 | 一种变压器局部放电带电检测方法 |
CN107167716A (zh) * | 2017-07-11 | 2017-09-15 | 国网福建省电力有限公司泉州供电公司 | 一种局部放电缺陷类型识别方法及装置 |
CN108132428A (zh) * | 2017-11-24 | 2018-06-08 | 国网北京市电力公司 | 局部放电多源分离的方法、装置 |
CN108627743B (zh) * | 2018-05-15 | 2020-05-05 | 国网江苏省电力有限公司电力科学研究院 | 一种局部放电纳秒级窄脉冲序列的无损捕捉方法 |
CN109239551A (zh) * | 2018-09-13 | 2019-01-18 | 国网湖南省电力有限公司 | 基于Chirplet变换的局部放电信号时域特征提取方法 |
CN110927537B (zh) * | 2019-11-27 | 2022-04-05 | 国网江苏省电力有限公司电力科学研究院 | 一种基于物联网边缘计算的局部放电监测装置及方法 |
CN111103517A (zh) * | 2020-01-20 | 2020-05-05 | 云南电网有限责任公司玉溪供电局 | 一种真空度局部放电脉冲群分类识别方法 |
CN112763871A (zh) * | 2020-12-30 | 2021-05-07 | 珠海华网科技有限责任公司 | 一种局部放电分类识别方法 |
CN113253066B (zh) * | 2021-04-27 | 2024-01-26 | 国网山东省电力公司烟台供电公司 | 一种局部放电特高频信号prpd/prps图谱相位同步方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102262204A (zh) * | 2011-06-10 | 2011-11-30 | 河南电力试验研究院 | 可用于prpd与trpd检测的局部放电检测*** |
CN102435922A (zh) * | 2011-10-26 | 2012-05-02 | 上海交通大学 | Gis局部放电的声电联合检测***和定位方法 |
CN103091612A (zh) * | 2013-01-16 | 2013-05-08 | 重庆市电力公司电力科学研究院 | 一种变压器油纸绝缘多局部放电源信号的分离与识别算法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH696646A5 (de) * | 2003-01-15 | 2007-08-31 | Alstom Technology Ltd | Verfahren zur Analyse und/oder Überwachung des Teilentladungsverhaltens eines elektrischen Betriebsmittels. |
-
2013
- 2013-12-12 CN CN201310676725.8A patent/CN103698669B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102262204A (zh) * | 2011-06-10 | 2011-11-30 | 河南电力试验研究院 | 可用于prpd与trpd检测的局部放电检测*** |
CN102435922A (zh) * | 2011-10-26 | 2012-05-02 | 上海交通大学 | Gis局部放电的声电联合检测***和定位方法 |
CN103091612A (zh) * | 2013-01-16 | 2013-05-08 | 重庆市电力公司电力科学研究院 | 一种变压器油纸绝缘多局部放电源信号的分离与识别算法 |
Non-Patent Citations (1)
Title |
---|
局部放电脉冲群的实用快速分类技术及应用;司文荣等;《西安交通大学学报》;20080831;第42卷(第8期);1021-1025,1060 * |
Also Published As
Publication number | Publication date |
---|---|
CN103698669A (zh) | 2014-04-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103698669B (zh) | 一种高压电力设备局部放电脉冲分离方法 | |
CN105807190B (zh) | 一种gis局部放电超高频带电检测方法 | |
CN105548832A (zh) | 高压电力电缆故障识别方法 | |
CN102539527A (zh) | 一种基于超声波检测的gis局部放电模式识别方法 | |
CN103257306A (zh) | 换流变压器直流局部放电绝缘状态诊断方法及测量*** | |
CN107621591B (zh) | 一种基于零模行波波速变化特性的输电线路迭代测距方法 | |
CN104316846A (zh) | 一种电力设备局部放电模式识别方法、装置及*** | |
CN108344922B (zh) | 一种基于相类区分和s变换的输电线路直击雷故障识别方法 | |
CN104330599B (zh) | 一种局部放电超高频信号模拟源 | |
CN104132610A (zh) | 配网变压器低压绕组变形带电检测装置及检测方法 | |
CN114325256A (zh) | 一种电力设备局部放电识别方法、***、设备及存储介质 | |
CN114035001B (zh) | 变压器耐压试验高频多端局部放电检测定位方法及装置 | |
CN114217164A (zh) | 一种基于放电波形智能识别的电缆故障测距方法及*** | |
CN108318791A (zh) | 基于频域特征分析的空心电抗器匝间绝缘绝缘故障判别方法 | |
CN105372617A (zh) | 一种三相电容式电压互感器误差整体检定方法 | |
Rajamani et al. | Identification of simultaneously occurring dynamic disc-to-disc insulation failures in transformer winding under impulse excitation | |
CN101930049B (zh) | 超高压电缆在线局放的监测方法 | |
Rong et al. | Detection of arc grounding fault based on the features of fault voltage | |
Chang et al. | A novel single-phase-to-ground fault location method based on phase current differences in power distribution systems | |
CN104375066A (zh) | 一种振荡型冲击电压下gis局部放电模式识别方法 | |
CN104808069B (zh) | 一种结合相关分析滤波性的相对比较法 | |
Li et al. | Based on short-time fourier transform impulse frequency response analysis in the application of the transformer winding deformation | |
Wotzka | Mathematical description of acoustic emission signals generated by partial discharges | |
CN107544005A (zh) | 一种高压igbt局部放电电流时域参数的确定方法和装置 | |
CN206235707U (zh) | 一种双断口断路器直流稳态电压分布的接线回路 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP03 | Change of name, title or address |
Address after: 523000 main mountain range, Dongcheng District, Guangdong, Dongguan Co-patentee after: TSINGHUA University Patentee after: Dongguan Power Supply Bureau of Guangdong Power Grid Co., Ltd Address before: 523008 No. 239 Dongcheng Avenue, Guangdong, Dongguan Co-patentee before: TSINGHUA University Patentee before: Dongguan Power Supply Bureau,Guangdong Power Grid Corporation |
|
CP03 | Change of name, title or address | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200323 Address after: Guangzhou Yuexiu District City, Guangdong province 510060 Dongfeng Road No. 757 Co-patentee after: Dongguan Power Supply Bureau of Guangdong Power Grid Co., Ltd Patentee after: GUANGDONG POWER GRID Co.,Ltd. Address before: 523000 main mountain range, Dongcheng District, Guangdong, Dongguan Co-patentee before: TSINGHUA University Patentee before: Dongguan Power Supply Bureau of Guangdong Power Grid Co., Ltd |
|
TR01 | Transfer of patent right |