EP3864424A4 - Method and system for circuit breaker condition monitoring - Google Patents
Method and system for circuit breaker condition monitoring Download PDFInfo
- Publication number
- EP3864424A4 EP3864424A4 EP18936444.1A EP18936444A EP3864424A4 EP 3864424 A4 EP3864424 A4 EP 3864424A4 EP 18936444 A EP18936444 A EP 18936444A EP 3864424 A4 EP3864424 A4 EP 3864424A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- circuit breaker
- condition monitoring
- breaker condition
- monitoring
- circuit
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0004—Industrial image inspection
- G06T7/001—Industrial image inspection using an image reference approach
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/26—Segmentation of patterns in the image field; Cutting or merging of image elements to establish the pattern region, e.g. clustering-based techniques; Detection of occlusion
- G06V10/267—Segmentation of patterns in the image field; Cutting or merging of image elements to establish the pattern region, e.g. clustering-based techniques; Detection of occlusion by performing operations on regions, e.g. growing, shrinking or watersheds
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/50—Context or environment of the image
- G06V20/52—Surveillance or monitoring of activities, e.g. for recognising suspicious objects
-
- 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
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3271—Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/20—Special algorithmic details
- G06T2207/20081—Training; Learning
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/20—Special algorithmic details
- G06T2207/20084—Artificial neural networks [ANN]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30108—Industrial image inspection
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V2201/00—Indexing scheme relating to image or video recognition or understanding
- G06V2201/06—Recognition of objects for industrial automation
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Quality & Reliability (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Image Analysis (AREA)
- Testing And Monitoring For Control Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2018/109525 WO2020073201A1 (en) | 2018-10-09 | 2018-10-09 | Method and system for circuit breaker condition monitoring |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3864424A1 EP3864424A1 (en) | 2021-08-18 |
EP3864424A4 true EP3864424A4 (en) | 2022-05-18 |
Family
ID=70164427
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18936444.1A Pending EP3864424A4 (en) | 2018-10-09 | 2018-10-09 | Method and system for circuit breaker condition monitoring |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3864424A4 (en) |
CN (1) | CN111566493B (en) |
WO (1) | WO2020073201A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111950606B (en) * | 2020-07-28 | 2023-11-07 | 北京恒通智控机器人科技有限公司 | Knife switch state identification method, device, equipment and storage medium |
CN112419232A (en) * | 2020-10-16 | 2021-02-26 | 国网天津市电力公司电力科学研究院 | Method for detecting state of low-voltage circuit breaker by integrating YOLOv3 with attention module |
CN112763904A (en) * | 2020-12-29 | 2021-05-07 | 广州航天海特***工程有限公司 | Circuit breaker detection method, device, equipment and storage medium |
CN113780191B (en) * | 2021-09-14 | 2024-05-10 | 西安西电开关电气有限公司 | Method and system for identifying opening and closing state image of power station start dragging switch |
CN114325451B (en) * | 2022-01-17 | 2022-10-25 | 广州地铁集团有限公司 | Method and device for estimating residual life of relay, computer equipment and medium |
CN116026292B (en) * | 2023-03-29 | 2023-07-28 | 国网天津市电力公司电力科学研究院 | Breaker travel track reproduction device and method based on three-eye imaging principle |
CN116754934B (en) * | 2023-05-22 | 2024-02-23 | 杭州轨物科技有限公司 | Mechanical characteristic fault diagnosis method for high-voltage circuit breaker |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106840406A (en) * | 2016-11-29 | 2017-06-13 | 浙江中新电力发展集团有限公司 | Isolation switch method for diagnosing faults based on matrix neutral net |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1305598B1 (en) * | 1996-12-10 | 2001-05-09 | Abb Research Ltd | METHOD FOR THE RECOGNITION OF SHORT CIRCUIT CONDITIONS AND DEVICE THAT USES THIS METHOD |
CN1845605A (en) * | 2006-05-15 | 2006-10-11 | 华北电力大学(北京) | Image processing and recognizing method for real-time monitoring power high voltage circuit breaker switch state |
CN103698694A (en) * | 2012-09-28 | 2014-04-02 | 四川奥格科技有限公司 | Online monitoring system for high-voltage circuit breaker |
CN104849654B (en) * | 2015-04-09 | 2017-10-03 | 广州供电局有限公司 | Circuit breaker online monitoring method and system |
CN106093773A (en) * | 2016-08-26 | 2016-11-09 | 张振堂 | A kind of zone isolation on off state based on Internet of Things monitoring system |
CN206057508U (en) * | 2016-09-30 | 2017-03-29 | 国家电网公司 | A kind of primary cut-out on-line monitoring system |
CN106526467B (en) * | 2016-10-14 | 2019-07-19 | 西安交通大学 | A kind of high-voltage circuit-breaker switching on-off speed characteristics measurement method based on machine vision |
CN106371013A (en) * | 2016-11-08 | 2017-02-01 | 广东电网有限责任公司电力科学研究院 | Picture identification-based GIS switch fault automatic identification system |
CN106680705A (en) * | 2017-02-20 | 2017-05-17 | 中国神华能源股份有限公司 | Disconnector monitoring system |
-
2018
- 2018-10-09 CN CN201880085814.6A patent/CN111566493B/en active Active
- 2018-10-09 WO PCT/CN2018/109525 patent/WO2020073201A1/en unknown
- 2018-10-09 EP EP18936444.1A patent/EP3864424A4/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106840406A (en) * | 2016-11-29 | 2017-06-13 | 浙江中新电力发展集团有限公司 | Isolation switch method for diagnosing faults based on matrix neutral net |
Non-Patent Citations (3)
Title |
---|
FEIZIFAR BEHNAM ET AL: "Condition monitoring of circuit breakers: Current status and future trends", 2017 IEEE INTERNATIONAL CONFERENCE ON ENVIRONMENT AND ELECTRICAL ENGINEERING AND 2017 IEEE INDUSTRIAL AND COMMERCIAL POWER SYSTEMS EUROPE (EEEIC / I&CPS EUROPE), IEEE, 6 June 2017 (2017-06-06), pages 1 - 5, XP033117980, DOI: 10.1109/EEEIC.2017.7977751 * |
HUDA A.S. NAZMUL ET AL: "Application of infrared thermography for predictive/preventive maintenance of thermal defect in electrical equipment", APPLIED THERMAL ENGINEERING, vol. 61, no. 2, 2 August 2013 (2013-08-02), GB, pages 220 - 227, XP055910983, ISSN: 1359-4311, DOI: 10.1016/j.applthermaleng.2013.07.028 * |
See also references of WO2020073201A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN111566493B (en) | 2022-01-28 |
WO2020073201A1 (en) | 2020-04-16 |
CN111566493A (en) | 2020-08-21 |
EP3864424A1 (en) | 2021-08-18 |
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Legal Events
Date | Code | Title | Description |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
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17P | Request for examination filed |
Effective date: 20200616 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
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DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
A4 | Supplementary search report drawn up and despatched |
Effective date: 20220422 |
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RIC1 | Information provided on ipc code assigned before grant |
Ipc: G01J 5/00 20060101ALI20220414BHEP Ipc: G01R 31/327 20060101ALI20220414BHEP Ipc: G06T 7/00 20170101AFI20220414BHEP |