CN113093050A - 电缆接地线电流时频特征的电缆早期故障辨识方法及系统 - Google Patents
电缆接地线电流时频特征的电缆早期故障辨识方法及系统 Download PDFInfo
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- CN113093050A CN113093050A CN202110350639.2A CN202110350639A CN113093050A CN 113093050 A CN113093050 A CN 113093050A CN 202110350639 A CN202110350639 A CN 202110350639A CN 113093050 A CN113093050 A CN 113093050A
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- 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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
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- 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
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/086—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Locating Faults (AREA)
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115184718A (zh) * | 2022-04-20 | 2022-10-14 | 中国矿业大学 | 一种基于时域分析的三芯电缆故障定位方法 |
CN115372757A (zh) * | 2022-08-30 | 2022-11-22 | 中国矿业大学 | 广域接地线电流幅值比的配电网电缆故障测距方法及系统 |
Citations (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080100307A1 (en) * | 2006-11-01 | 2008-05-01 | Abb Research Ltd. | Cable fault detection |
US20110074437A1 (en) * | 2009-09-30 | 2011-03-31 | Korea Electric Power Corporation | System and method for detecting a location of fault in a cable |
CN102721889A (zh) * | 2012-07-02 | 2012-10-10 | 西南交通大学 | 基于复小波奇异性检测的电缆早期故障检测方法 |
CN104122486A (zh) * | 2014-07-30 | 2014-10-29 | 浙江群力电气有限公司 | 一种电缆早期故障检测方法及装置 |
CN107329049A (zh) * | 2017-08-21 | 2017-11-07 | 集美大学 | 一种基于卡尔曼滤波器的输电线路早期故障检测方法 |
CN109298285A (zh) * | 2018-10-24 | 2019-02-01 | 国网江苏省电力有限公司徐州供电分公司 | 一种基于暂态扰动的配网电缆早期故障识别与预警系统及方法 |
CN109870614A (zh) * | 2019-03-26 | 2019-06-11 | 四川大学 | 电力设备半周波早期故障快速检测方法 |
CN110069886A (zh) * | 2019-05-05 | 2019-07-30 | 四川大学 | 基于vmd和cnn的电缆早期故障识别与分类方法 |
CN209513962U (zh) * | 2018-10-24 | 2019-10-18 | 国网江苏省电力有限公司徐州供电分公司 | 一种基于暂态扰动的配网电缆早期故障定位系统 |
CN110543921A (zh) * | 2019-10-14 | 2019-12-06 | 四川大学 | 一种基于波形学习的电缆早期故障识别方法 |
CN111007364A (zh) * | 2019-11-07 | 2020-04-14 | 长沙理工大学 | 一种电缆早期自恢复故障的识别方法 |
US20200209300A1 (en) * | 2018-12-27 | 2020-07-02 | Shanghai Jiao Tong University | Method for detecting power distribution network early failure |
CN111581762A (zh) * | 2019-02-15 | 2020-08-25 | 中国航发商用航空发动机有限责任公司 | 早期故障诊断方法及系统 |
CN111965475A (zh) * | 2020-06-05 | 2020-11-20 | 国电南瑞南京控制系统有限公司 | 一种基于零序电流分布特性的配电网综合故障研判方法 |
CN112014773A (zh) * | 2020-09-04 | 2020-12-01 | 内蒙古电力(集团)有限责任公司呼和浩特供电局 | 一种用于检测小电流接地系统电缆早期故障的方法 |
-
2021
- 2021-03-31 CN CN202110350639.2A patent/CN113093050B/zh active Active
Patent Citations (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080100307A1 (en) * | 2006-11-01 | 2008-05-01 | Abb Research Ltd. | Cable fault detection |
US20110074437A1 (en) * | 2009-09-30 | 2011-03-31 | Korea Electric Power Corporation | System and method for detecting a location of fault in a cable |
CN102721889A (zh) * | 2012-07-02 | 2012-10-10 | 西南交通大学 | 基于复小波奇异性检测的电缆早期故障检测方法 |
CN104122486A (zh) * | 2014-07-30 | 2014-10-29 | 浙江群力电气有限公司 | 一种电缆早期故障检测方法及装置 |
CN107329049A (zh) * | 2017-08-21 | 2017-11-07 | 集美大学 | 一种基于卡尔曼滤波器的输电线路早期故障检测方法 |
CN109298285A (zh) * | 2018-10-24 | 2019-02-01 | 国网江苏省电力有限公司徐州供电分公司 | 一种基于暂态扰动的配网电缆早期故障识别与预警系统及方法 |
CN209513962U (zh) * | 2018-10-24 | 2019-10-18 | 国网江苏省电力有限公司徐州供电分公司 | 一种基于暂态扰动的配网电缆早期故障定位系统 |
US20200209300A1 (en) * | 2018-12-27 | 2020-07-02 | Shanghai Jiao Tong University | Method for detecting power distribution network early failure |
CN111581762A (zh) * | 2019-02-15 | 2020-08-25 | 中国航发商用航空发动机有限责任公司 | 早期故障诊断方法及系统 |
CN109870614A (zh) * | 2019-03-26 | 2019-06-11 | 四川大学 | 电力设备半周波早期故障快速检测方法 |
CN110069886A (zh) * | 2019-05-05 | 2019-07-30 | 四川大学 | 基于vmd和cnn的电缆早期故障识别与分类方法 |
CN110543921A (zh) * | 2019-10-14 | 2019-12-06 | 四川大学 | 一种基于波形学习的电缆早期故障识别方法 |
CN111007364A (zh) * | 2019-11-07 | 2020-04-14 | 长沙理工大学 | 一种电缆早期自恢复故障的识别方法 |
CN111965475A (zh) * | 2020-06-05 | 2020-11-20 | 国电南瑞南京控制系统有限公司 | 一种基于零序电流分布特性的配电网综合故障研判方法 |
CN112014773A (zh) * | 2020-09-04 | 2020-12-01 | 内蒙古电力(集团)有限责任公司呼和浩特供电局 | 一种用于检测小电流接地系统电缆早期故障的方法 |
Non-Patent Citations (8)
Title |
---|
CHI PENG 等: "《A CNN recognition method for early stage of 10kV single core cable based on sheath current》", 《ELECTRIC POWER SYSTEMS RESEARCH》 * |
TARLOCHAN S 等: "《Detection of Incipient Faults in Distribution Underground Cables》", 《IEEE TRANSACTIONS ON POWER DELIVERY》 * |
XUE QIN 等: "《Research on Distribution Network Fault Recognition Method Based on Time-Frequency Characteristics of Fault Waveforms》", 《IEEE ACCESS》 * |
周正雄 等: "《高压电缆早期间歇性电弧接地故嶂识别方法》", 《中国电力》 * |
姚海燕 等: "《基于多尺度小波判据和时频特征关联的电缆早期故障检测和识别方法》", 《电力系统保护与控制》 * |
李成升 等: "《基于行波特征量与堆叠自动编码器的电缆早期故障定位方法》", 《四川电力技术》 * |
段建东 等: "用接地线电流法进行电力电缆绝缘在线监测的仿真计算", 《高压电器》 * |
陈海燕 等: "《电力电子技术》", 30 April 2019, 北京希望电子出版社 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115184718A (zh) * | 2022-04-20 | 2022-10-14 | 中国矿业大学 | 一种基于时域分析的三芯电缆故障定位方法 |
CN115184718B (zh) * | 2022-04-20 | 2023-11-14 | 中国矿业大学 | 一种基于时域分析的三芯电缆故障定位方法 |
CN115372757A (zh) * | 2022-08-30 | 2022-11-22 | 中国矿业大学 | 广域接地线电流幅值比的配电网电缆故障测距方法及系统 |
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Inventor after: Liang Rui Inventor after: Peng Nan Inventor after: Zhang Peng Inventor after: Wang Chen Inventor after: Liang Peiran Inventor after: Tang Zehua Inventor after: Wang Quanjin Inventor after: Kong Lingchang Inventor after: Wang Zilong Inventor after: Chen Yujing Inventor before: Liang Rui Inventor before: Zhang Peng Inventor before: Tang Zehua Inventor before: Wang Quanjin Inventor before: Kong Lingchang Inventor before: Wang Zilong Inventor before: Chen Yujing Inventor before: Peng Nan |
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