ZA200201612B - Partial discharge monitoring system for transformers. - Google Patents
Partial discharge monitoring system for transformers. Download PDFInfo
- Publication number
- ZA200201612B ZA200201612B ZA200201612A ZA200201612A ZA200201612B ZA 200201612 B ZA200201612 B ZA 200201612B ZA 200201612 A ZA200201612 A ZA 200201612A ZA 200201612 A ZA200201612 A ZA 200201612A ZA 200201612 B ZA200201612 B ZA 200201612B
- Authority
- ZA
- South Africa
- Prior art keywords
- ultrasonic
- detection
- radio frequency
- time delay
- partial discharge
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/26—Means for detecting the presence of an arc or other discharge
-
- 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
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
-
- 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
- G01R31/62—Testing of transformers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Relating To Insulation (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPQ2605A AUPQ260599A0 (en) | 1999-09-02 | 1999-09-02 | Partial discharge monitoring system for transformers |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA200201612B true ZA200201612B (en) | 2003-07-30 |
Family
ID=3816776
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA200201612A ZA200201612B (en) | 1999-09-02 | 2002-02-26 | Partial discharge monitoring system for transformers. |
Country Status (11)
Country | Link |
---|---|
US (1) | US6774639B1 (fr) |
EP (1) | EP1222472B1 (fr) |
JP (1) | JP4494693B2 (fr) |
CN (1) | CN1205482C (fr) |
AT (1) | ATE317548T1 (fr) |
AU (1) | AUPQ260599A0 (fr) |
DE (1) | DE60025927T2 (fr) |
HK (1) | HK1048361A1 (fr) |
NZ (1) | NZ517569A (fr) |
WO (1) | WO2001018554A1 (fr) |
ZA (1) | ZA200201612B (fr) |
Families Citing this family (86)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8746028B2 (en) | 2002-07-11 | 2014-06-10 | Weatherford/Lamb, Inc. | Tubing expansion |
AUPQ975100A0 (en) | 2000-08-29 | 2000-09-21 | Siemensindustrial Services Ltd | Re-locatable partial discharge transducer head |
GB0306282D0 (en) * | 2003-03-19 | 2003-04-23 | Diagnostic Monitoring Systems | Improved system for monitoring electrical components |
FR2855878B1 (fr) | 2003-06-05 | 2005-08-05 | Alstom | Methode de detection de decharges partielles et systeme de diagnostic pour appareil electrique |
US7071701B2 (en) * | 2004-03-05 | 2006-07-04 | New Jersey Institute Of Technology | Online fiber optic sensor for detecting partial discharge and similar events in large utility station transformers and the like |
KR101031666B1 (ko) * | 2004-03-05 | 2011-04-29 | 에스케이이노베이션 주식회사 | 부분 방전신호 검출장치 및 그 검출방법 |
KR100688321B1 (ko) | 2004-09-24 | 2007-02-28 | 한빛이디에스(주) | 가스절연개폐장치의 감시 시스템 |
AU2005306167B8 (en) * | 2004-11-18 | 2010-11-18 | Powersense A/S | Compensation of simple fiberoptic faraday effect sensors |
US7112968B1 (en) * | 2005-11-30 | 2006-09-26 | Haneron Co., Ltd. | Method and apparatus for detecting a partial discharge in a high-voltage transmission and distribution system |
US8692539B2 (en) * | 2006-11-30 | 2014-04-08 | Powersense A/S | Faraday effect current sensor |
CN101034125B (zh) * | 2007-01-12 | 2010-05-19 | 上海久隆电气设备试验有限公司 | 干式电力变压器局放检测的谐振试验装置 |
US8395394B2 (en) * | 2008-08-01 | 2013-03-12 | Avo Multi-Amp Corporation | System and method for power system component testing |
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EP2360486B1 (fr) | 2010-02-24 | 2018-09-05 | Omicron electronics GmbH | Procédé destiné au calibrage d'un dispositif de mesure de décharges partielles |
DE102010010396A1 (de) * | 2010-03-05 | 2011-09-08 | Siemens Aktiengesellschaft | Verfahren und Überwachungseinrichtung zur Überwachung der elektrischen Isolation einer Wicklung einer elektrischen Maschine |
ES2379831A1 (es) * | 2010-05-26 | 2012-05-04 | Universidad Politécnica de Madrid | PROCEDIMIENTO DE MONITORIZACIÓN CONTINUA Y DIAGNÓSTICO DE FUENTES DE DESCARGAS PARCIALES (DPs) EN CABLES DE ALTA TENSIÓN DURANTE SU CONEXIÓN Y FUNCIONAMIENTO EN LA RED, Y SISTEMA FÍSICO PARA LA PUESTA EN PRÁCTICA DEL PROCEDIMIENTO. |
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CN102288879B (zh) * | 2011-04-25 | 2013-04-03 | 天津大学 | 基于无线网络的开关柜局部放电超声检测装置 |
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AT511790A3 (de) * | 2011-07-26 | 2020-06-15 | Eaton Gmbh | Verfahren zur adaption eines lichtbogensensors |
DE102011082866A1 (de) * | 2011-09-16 | 2013-03-21 | Olaf Rudolph | Verfahren zum Erkennen einer oder meherer gleichzeitig auftretender Teilenladungs-Quellen |
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CN102955099A (zh) * | 2012-11-12 | 2013-03-06 | 江苏省电力公司无锡供电公司 | 一种高压电缆鉴别的测试方法及其装置 |
CN103472376B (zh) * | 2013-09-11 | 2016-03-02 | 国家电网公司 | 变压器局部放电特高频定位分析器及其定位分析方法 |
KR101486995B1 (ko) * | 2013-09-30 | 2015-01-29 | 한국전력공사 | 변압기 결함 검출 장치 및 방법 |
US9304111B2 (en) * | 2013-10-01 | 2016-04-05 | Rockwell Automation Technologies, Inc. | Systems and methods for detecting partial discharge in electrical components |
CN104515935A (zh) * | 2013-10-08 | 2015-04-15 | 国家电网公司 | 电器箱和其放电检测报警方法 |
US9933285B2 (en) | 2014-03-21 | 2018-04-03 | Eaton Intelligent Power Limited | Piezoelectric sensor assembly, and sensor attachment assembly and electrical system employing same |
JP6448213B2 (ja) * | 2014-04-23 | 2019-01-09 | 東芝三菱電機産業システム株式会社 | 部分放電測定装置 |
US9411040B2 (en) * | 2014-06-23 | 2016-08-09 | Goodrich Corporation | Systems and methods for acoustic windows |
CN104122471B (zh) * | 2014-07-31 | 2017-01-25 | 山东省环能设计院股份有限公司 | 用于测量超特高压变压器线饼冲击电压的试验装置 |
DE112015003721T5 (de) * | 2014-08-12 | 2017-04-27 | Eaton Corporation | Piezoelektrische Sensoranordnung und Sensoranbringungsanordnung und elektrisches System das diese einsetzt |
CN104316846B (zh) * | 2014-08-28 | 2017-07-18 | 国家电网公司 | 一种电力设备局部放电模式识别方法、装置及系统 |
DE102014113470A1 (de) * | 2014-09-18 | 2016-03-24 | Maschinenfabrik Reinhausen Gmbh | Elektrogerät mit einem mit Isolieröl gefüllten Gehäuse sowie Messgerät und Verfahren zum Überwachen eines solchen Elektrogeräts |
US9753080B2 (en) * | 2014-12-09 | 2017-09-05 | Rosemount Inc. | Partial discharge detection system |
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 |
US10488487B2 (en) * | 2015-03-25 | 2019-11-26 | Pdp-Technologies Ltd. | System for mapping electromagnetic discharge fields |
FR3036843A1 (fr) * | 2015-05-28 | 2016-12-02 | Schneider Electric Ind Sas | Dispositif de surveillance de decharges partielles dans un reseau electrique |
NL2015303B1 (en) * | 2015-08-13 | 2017-02-28 | Prodrive Tech Bv | Electric power converter and MRI system comprising such converter. |
US20180241394A1 (en) * | 2015-08-13 | 2018-08-23 | Iee International Electronics & Engineering S.A. | Method of operating a capacitive sensor system for vehicle trunk opener and robust capacitive sensor system |
US9733296B2 (en) * | 2015-11-19 | 2017-08-15 | Continental Automotive Systems, Inc. | Multi-phase turn-on blanking time with VBATT-based fault threshold voltage |
CN105467285A (zh) * | 2015-12-18 | 2016-04-06 | 保定天威新域科技发展有限公司 | 一种局放三维空间定位传感器及高压电气设备故障定位方法 |
KR102482023B1 (ko) * | 2016-01-28 | 2022-12-28 | 삼성전자주식회사 | 적층 메모리 칩 전기적 단락 검출 장치 및 방법 |
US11146053B2 (en) | 2016-01-29 | 2021-10-12 | Power Hv Inc. | Bushing for a transformer |
US10345358B2 (en) | 2016-04-25 | 2019-07-09 | Qatar University | Smart fault detection device to anticipate impending faults in power transformers |
CN106443538A (zh) * | 2016-06-30 | 2017-02-22 | 杭州西湖电子研究所 | 一种兆赫兹超声波换能器在超声波局放仪校验领域的应用 |
CN106443389A (zh) * | 2016-11-03 | 2017-02-22 | 合肥华义电气科技有限公司 | 一种开关柜局放监测装置 |
CN110402468B (zh) * | 2016-12-07 | 2024-03-22 | 日立能源有限公司 | 用于检查机器的系统和方法 |
US10670429B2 (en) * | 2017-02-09 | 2020-06-02 | The University Of British Columbia | Capacitive bending sensors |
CN109073704A (zh) | 2017-03-02 | 2018-12-21 | 罗斯蒙特公司 | 用于局部放电的趋势函数 |
DE102017207818B3 (de) * | 2017-05-09 | 2018-05-30 | Siemens Aktiengesellschaft | Verfahren und Anordnung zum Lokalisieren einer elektrischen Entladung in einer elektrischen Anlage |
CA3007729A1 (fr) | 2017-06-12 | 2018-12-12 | Vibrosystm Inc. | Methode de surveillance de decharges partielles dans une machine electrique a haute tension, et cable de connexion associe |
CN107677926B (zh) * | 2017-09-21 | 2019-09-20 | 京东方科技集团股份有限公司 | 印刷电路板及其与柔性电路板之间插接状态的判定方法 |
US11067639B2 (en) | 2017-11-03 | 2021-07-20 | Rosemount Inc. | Trending functions for predicting the health of electric power assets |
KR101975443B1 (ko) * | 2017-11-22 | 2019-09-10 | 한국전력공사 | 배전설비 초음파 자동검출 시스템 및 방법 |
US10794736B2 (en) | 2018-03-15 | 2020-10-06 | Rosemount Inc. | Elimination of floating potential when mounting wireless sensors to insulated conductors |
DE102018003744A1 (de) * | 2018-05-07 | 2019-11-07 | Senvion Gmbh | Akustisches Zustandsüberwachungsverfahren und -system für elektrische Leistungskomponenten, insbesondere Transformatoren |
DE102018003625A1 (de) | 2018-05-07 | 2019-11-07 | Senvion Gmbh | Zustandsüberwachungsverfahren und -system für elektrische Leistungskomponenten,... |
US11181570B2 (en) | 2018-06-15 | 2021-11-23 | Rosemount Inc. | Partial discharge synthesizer |
US10955477B2 (en) * | 2018-06-29 | 2021-03-23 | Hamilton Sundstrand Corporation | Power distribution health management and monitoring |
JP6611877B1 (ja) * | 2018-07-25 | 2019-11-27 | 三菱電機株式会社 | 半導体集積回路および回転検出装置 |
US10833531B2 (en) | 2018-10-02 | 2020-11-10 | Rosemount Inc. | Electric power generation or distribution asset monitoring |
US11287463B2 (en) | 2018-12-28 | 2022-03-29 | Palo Alto Research Center Incorporated | Partial discharge transducer |
US11067610B2 (en) | 2018-12-28 | 2021-07-20 | Palo Alto Research Center Incorporated | Partial discharge detector |
US10788519B1 (en) * | 2019-04-19 | 2020-09-29 | Prova Instruments Inc. | Current detecting module and current tester |
US11313895B2 (en) | 2019-09-24 | 2022-04-26 | Rosemount Inc. | Antenna connectivity with shielded twisted pair cable |
GB2588133A (en) * | 2019-10-08 | 2021-04-21 | Ea Tech Limited | Partial discharge monitoring device, system and method for a substation asset provided with a voltage presence indication system (VPIS) |
US11486919B2 (en) | 2019-10-24 | 2022-11-01 | Palo Alto Research Center Incorporated | Partial discharge sensor |
CN110865284A (zh) * | 2019-11-12 | 2020-03-06 | 云南电网有限责任公司临沧供电局 | 一种基于聚偏二氟乙烯薄膜的磁吸式电容探头 |
CN110865302B (zh) * | 2019-12-02 | 2021-10-15 | 华北电力大学 | 模拟gis内金属微屑致绝缘拉杆故障的装置 |
CN111551831A (zh) * | 2020-06-01 | 2020-08-18 | 广西电网有限责任公司南宁供电局 | 一种配电电缆局部放电监测的样机平台 |
EP3933418B1 (fr) * | 2020-06-30 | 2024-06-19 | ABB Schweiz AG | Procédé de détection de décharge électrique dans un appareil électrique et système associé |
EP3943957B1 (fr) | 2020-07-20 | 2024-09-04 | ABB Schweiz AG | Procédé de détection de décharge électrique dans un appareil électrique et système associé |
CN112466613A (zh) * | 2020-11-13 | 2021-03-09 | 盐城威达变压器制造有限公司 | 一种矿用隔爆型干式变压器 |
CN112763867B (zh) * | 2020-12-23 | 2023-06-20 | 深圳供电局有限公司 | 一种gis多频段超声波局放传感器 |
DE102020135173A1 (de) | 2020-12-31 | 2022-06-30 | Hochschule Für Technik Und Wirtschaft Berlin | Diagnosevorrichtung für eine Überwachung einer Kenngröße an einer elektrischen Hochspannungskomponente, Messanordnung und Verfahren zum Auswerten von Messsignalen |
CN113655350A (zh) * | 2021-08-24 | 2021-11-16 | 华能重庆两江燃机发电有限责任公司 | Gis局部放电在线监测系统及方法 |
CN114023540B (zh) * | 2021-11-08 | 2023-11-17 | 国网河北省电力有限公司电力科学研究院 | 变压器升高座及套管的监测方法、装置、设备及存储介质 |
US12038467B2 (en) * | 2022-02-07 | 2024-07-16 | General Electric Company | Noise tolerant electrical discharge detection |
EP4270024A1 (fr) * | 2022-04-27 | 2023-11-01 | Siemens Aktiengesellschaft | Système de capteur pour une machine électrique |
CN117554856B (zh) * | 2024-01-09 | 2024-04-05 | 国网山西省电力公司电力科学研究院 | 一种变压器匝间短路主动防御设备性能验证装置及其方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2884788B2 (ja) * | 1991-02-15 | 1999-04-19 | 富士電機株式会社 | 樹脂モールド変圧器の部分放電測定装置 |
US5386193A (en) * | 1991-02-15 | 1995-01-31 | Fuji Electric Co., Ltd. | Partial discharge detecting device for resin-molded transformer |
WO1994028566A1 (fr) * | 1993-05-20 | 1994-12-08 | University Of Technology, Sydney | Appareil de surveillance passive de la decharge partielle |
US5530366A (en) * | 1994-11-01 | 1996-06-25 | Abb Power T&D Company Inc. | Acoustic optical system for partial discharge detection and location |
SE9404209L (sv) * | 1994-12-05 | 1996-06-06 | Abb Research Ltd | Förfarande och anordning för lokalisering av partiella urladdningar hos en elektrisk högspänningsapparat |
NL1005721C2 (nl) * | 1997-04-03 | 1998-10-07 | Kema Nv | Werkwijze en inrichting voor het detecteren van partiële ontladingen. |
US6420879B2 (en) * | 1998-02-02 | 2002-07-16 | Massachusetts Institute Of Technology | System and method for measurement of partial discharge signals in high voltage apparatus |
US6446027B1 (en) * | 1999-09-17 | 2002-09-03 | General Electric Company | Intelligent analysis system and method for fluid-filled electrical equipment |
FI107083B (fi) * | 1999-10-19 | 2001-05-31 | Abb Substation Automation Oy | Menetelmä ja järjestelmä osittaispurkauksen aiheuttajan tunnistamiseksi |
-
1999
- 1999-09-02 AU AUPQ2605A patent/AUPQ260599A0/en not_active Abandoned
-
2000
- 2000-08-30 DE DE60025927T patent/DE60025927T2/de not_active Expired - Lifetime
- 2000-08-30 NZ NZ517569A patent/NZ517569A/xx not_active IP Right Cessation
- 2000-08-30 JP JP2001522092A patent/JP4494693B2/ja not_active Expired - Fee Related
- 2000-08-30 CN CNB008123756A patent/CN1205482C/zh not_active Expired - Fee Related
- 2000-08-30 WO PCT/AU2000/001028 patent/WO2001018554A1/fr active IP Right Grant
- 2000-08-30 US US10/070,251 patent/US6774639B1/en not_active Expired - Fee Related
- 2000-08-30 EP EP00955962A patent/EP1222472B1/fr not_active Expired - Lifetime
- 2000-08-30 AT AT00955962T patent/ATE317548T1/de not_active IP Right Cessation
-
2002
- 2002-02-26 ZA ZA200201612A patent/ZA200201612B/en unknown
-
2003
- 2003-01-15 HK HK03100387.8A patent/HK1048361A1/zh unknown
Also Published As
Publication number | Publication date |
---|---|
DE60025927T2 (de) | 2006-09-14 |
EP1222472A1 (fr) | 2002-07-17 |
DE60025927D1 (de) | 2006-04-20 |
AUPQ260599A0 (en) | 1999-09-23 |
NZ517569A (en) | 2002-08-28 |
EP1222472B1 (fr) | 2006-02-08 |
US6774639B1 (en) | 2004-08-10 |
HK1048361A1 (zh) | 2003-05-02 |
EP1222472A4 (fr) | 2005-04-27 |
JP4494693B2 (ja) | 2010-06-30 |
CN1205482C (zh) | 2005-06-08 |
JP2003508791A (ja) | 2003-03-04 |
ATE317548T1 (de) | 2006-02-15 |
WO2001018554A1 (fr) | 2001-03-15 |
CN1372645A (zh) | 2002-10-02 |
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