CN105866627B - 一种适用于电力电子系统的故障信号检测方法 - Google Patents
一种适用于电力电子系统的故障信号检测方法 Download PDFInfo
- Publication number
- CN105866627B CN105866627B CN201610213012.1A CN201610213012A CN105866627B CN 105866627 B CN105866627 B CN 105866627B CN 201610213012 A CN201610213012 A CN 201610213012A CN 105866627 B CN105866627 B CN 105866627B
- Authority
- CN
- China
- Prior art keywords
- signal
- fault
- frequency
- pass filter
- coefficient
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/088—Aspects of digital computing
Abstract
Description
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610213012.1A CN105866627B (zh) | 2016-04-08 | 2016-04-08 | 一种适用于电力电子系统的故障信号检测方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610213012.1A CN105866627B (zh) | 2016-04-08 | 2016-04-08 | 一种适用于电力电子系统的故障信号检测方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105866627A CN105866627A (zh) | 2016-08-17 |
CN105866627B true CN105866627B (zh) | 2018-07-20 |
Family
ID=56636274
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610213012.1A Active CN105866627B (zh) | 2016-04-08 | 2016-04-08 | 一种适用于电力电子系统的故障信号检测方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105866627B (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106546872B (zh) * | 2016-09-26 | 2019-03-05 | 上海朋邦实业有限公司 | 输电线路故障监测方法 |
CN107064738A (zh) * | 2017-03-28 | 2017-08-18 | 国网山东省电力公司青岛供电公司 | 电力电子系统故障检测方法及装置 |
CN110068758B (zh) * | 2019-04-22 | 2021-08-03 | 南方电网科学研究院有限责任公司 | 柔性直流换流阀监测诊断系统 |
CN111913077B (zh) * | 2020-08-19 | 2023-05-09 | 剑科云智(深圳)科技有限公司 | 一种配电网的智能故障定位系统 |
CN112485522B (zh) * | 2020-12-09 | 2023-05-16 | 国网四川省电力公司电力科学研究院 | 基于电能数据感知的平顶窗函数同步相量测量方法及装置 |
CN115291021B (zh) * | 2022-08-16 | 2023-04-21 | 山东和兑智能科技有限公司 | 高压套管状态的高精度参数分析方法与系统 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7212008B1 (en) * | 2005-11-03 | 2007-05-01 | Barsumian Bruce R | Surveillance device detection utilizing non linear junction detection and reflectometry |
CN101701996A (zh) * | 2009-11-26 | 2010-05-05 | 华南理工大学 | 一种高压直流系统换相失败的判别方法及装置 |
CN102508121A (zh) * | 2011-11-08 | 2012-06-20 | 西安交通大学 | 多端柔性直流输电系统的直流线路单端故障定位方法 |
CN102520317A (zh) * | 2011-12-15 | 2012-06-27 | 四川大学 | 基于小波香侬熵标准化特征矢量的换相失败故障检测方法 |
CN103018629A (zh) * | 2012-11-23 | 2013-04-03 | 广东电网公司电力科学研究院 | 一种基于马拉算法的电力系统故障录波数据分析方法 |
CN104820157A (zh) * | 2015-04-30 | 2015-08-05 | 国家电网公司 | 一种柔性直流输电系统直流单极接地故障判断方法 |
CN105004967A (zh) * | 2015-06-11 | 2015-10-28 | 国网山东省电力公司泰安供电公司 | 一种电网故障检测方法及系统 |
CN105445611A (zh) * | 2014-05-30 | 2016-03-30 | 西门子公司 | 故障电弧的检测方法和检测装置 |
-
2016
- 2016-04-08 CN CN201610213012.1A patent/CN105866627B/zh active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7212008B1 (en) * | 2005-11-03 | 2007-05-01 | Barsumian Bruce R | Surveillance device detection utilizing non linear junction detection and reflectometry |
CN101701996A (zh) * | 2009-11-26 | 2010-05-05 | 华南理工大学 | 一种高压直流系统换相失败的判别方法及装置 |
CN102508121A (zh) * | 2011-11-08 | 2012-06-20 | 西安交通大学 | 多端柔性直流输电系统的直流线路单端故障定位方法 |
CN102520317A (zh) * | 2011-12-15 | 2012-06-27 | 四川大学 | 基于小波香侬熵标准化特征矢量的换相失败故障检测方法 |
CN103018629A (zh) * | 2012-11-23 | 2013-04-03 | 广东电网公司电力科学研究院 | 一种基于马拉算法的电力系统故障录波数据分析方法 |
CN105445611A (zh) * | 2014-05-30 | 2016-03-30 | 西门子公司 | 故障电弧的检测方法和检测装置 |
CN104820157A (zh) * | 2015-04-30 | 2015-08-05 | 国家电网公司 | 一种柔性直流输电系统直流单极接地故障判断方法 |
CN105004967A (zh) * | 2015-06-11 | 2015-10-28 | 国网山东省电力公司泰安供电公司 | 一种电网故障检测方法及系统 |
Also Published As
Publication number | Publication date |
---|---|
CN105866627A (zh) | 2016-08-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105866627B (zh) | 一种适用于电力电子系统的故障信号检测方法 | |
Cunha et al. | A new wavelet selection method for partial discharge denoising | |
Latran et al. | A novel wavelet transform based voltage sag/swell detection algorithm | |
Lin et al. | Discrete wavelet transform-based triggering method for single-phase earth fault in power distribution systems | |
Shim et al. | Detection of PD utilizing digital signal processing methods. Part 3: Open-loop noise reduction | |
Elkalashy et al. | DWT-based detection and transient power direction-based location of high-impedance faults due to leaning trees in unearthed MV networks | |
Song et al. | Second generation wavelet transform for data denoising in PD measurement | |
Mishra et al. | A critical fault detection analysis & fault time in a UPFC transmission line | |
CN105510760B (zh) | 一种基于小波分析的短路故障数据检测方法 | |
Dwivedi et al. | A wavelet based approach for classification and location of faults in distribution systems | |
Dash et al. | Time–frequency transform approach for protection of parallel transmission lines | |
Akorede et al. | Wavelet transform based algorithm for high-impedance faults detection in distribution feeders | |
Probert et al. | Detection and classification of high frequency transients using wavelet analysis | |
Roy | Fault identification and determination of its location in a HVDC system based on feature extraction and artificial neural network | |
Adewole et al. | Fault detection and classification in a distribution network integrated with distributed generators | |
Roy et al. | Application of Signal Processing Tools and Artificial Neural Network in Diagnosis of Power System Faults | |
Gangwar et al. | Detection and classification of faults on transmission line using time-frequency approach of current transients | |
Zhang et al. | Application of signal processing techniques to on-line partial discharge detection in cables | |
Rao et al. | Pattern recognition approach for fault identification in power transmission lines | |
Zhang et al. | Small-current grounding fault location method based on transient main resonance frequency analysis | |
Srividya et al. | Identifying Classifying Of Power Quality Disturbances Using Short Time Fourier Transform And S-Transform | |
Amarís et al. | Computation of voltage sag initiation with Fourier based algorithm, Kalman filter and wavelets | |
Džakmić et al. | Combined Fourier transform and Mexican hat wavelet for fault detection in distribution networks | |
Soleymani et al. | Fault diagnosis of transmission system based on Wavelet Transform and Neural network | |
Joga et al. | Harmonic source identification in Microgrid using wavelet time frequency analysis |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: 350003 No. 54 road 54 Fuzhou, Fujian Co-patentee after: STATE GRID CORPORATION OF CHINA Patentee after: STATE GRID FUJIAN ELECTRIC POWER Co.,Ltd. Co-patentee after: STATE GRID FUJIAN ELECTRIC POWER Research Institute Address before: 350003 No. 54 road 54 Fuzhou, Fujian Co-patentee before: State Grid Corporation of China Patentee before: STATE GRID FUJIAN ELECTRIC POWER Co.,Ltd. Co-patentee before: STATE GRID FUJIAN ELECTRIC POWER Research Institute |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20181108 Address after: 350003 No. 54 road 54 Fuzhou, Fujian Co-patentee after: STATE GRID CORPORATION OF CHINA Patentee after: STATE GRID FUJIAN ELECTRIC POWER Co.,Ltd. Co-patentee after: STATE GRID FUJIAN ELECTRIC POWER Research Institute Co-patentee after: STATE GRID FUJIAN ECONOMIC Research Institute Address before: 350003 No. 54 road 54 Fuzhou, Fujian Co-patentee before: STATE GRID CORPORATION OF CHINA Patentee before: STATE GRID FUJIAN ELECTRIC POWER Co.,Ltd. Co-patentee before: STATE GRID FUJIAN ELECTRIC POWER Research Institute |