JP5244586B2 - 部分放電の検出、位置測定、判定 - Google Patents
部分放電の検出、位置測定、判定 Download PDFInfo
- Publication number
- JP5244586B2 JP5244586B2 JP2008511521A JP2008511521A JP5244586B2 JP 5244586 B2 JP5244586 B2 JP 5244586B2 JP 2008511521 A JP2008511521 A JP 2008511521A JP 2008511521 A JP2008511521 A JP 2008511521A JP 5244586 B2 JP5244586 B2 JP 5244586B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- electrical equipment
- probe
- partial discharge
- module
- 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.)
- Expired - Lifetime
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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
- G01R31/12—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
- G01R31/1263—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 of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
- G01R31/1272—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 of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of cable, line or wire insulation, e.g. using partial discharge measurements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Relating To Insulation (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
- Electronic Switches (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2,508,428 | 2005-05-20 | ||
| CA002508428A CA2508428A1 (fr) | 2005-05-20 | 2005-05-20 | Detection, localisation et interpretation de decharge partielle |
| PCT/CA2006/000811 WO2006122415A1 (en) | 2005-05-20 | 2006-05-18 | Detection, localization and interpretation of partial discharge |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2008541099A JP2008541099A (ja) | 2008-11-20 |
| JP2008541099A5 JP2008541099A5 (cg-RX-API-DMAC10.html) | 2011-06-30 |
| JP5244586B2 true JP5244586B2 (ja) | 2013-07-24 |
Family
ID=37430897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008511521A Expired - Lifetime JP5244586B2 (ja) | 2005-05-20 | 2006-05-18 | 部分放電の検出、位置測定、判定 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8126664B2 (cg-RX-API-DMAC10.html) |
| EP (1) | EP1883829B1 (cg-RX-API-DMAC10.html) |
| JP (1) | JP5244586B2 (cg-RX-API-DMAC10.html) |
| AT (1) | ATE527548T1 (cg-RX-API-DMAC10.html) |
| CA (1) | CA2508428A1 (cg-RX-API-DMAC10.html) |
| ES (1) | ES2372021T3 (cg-RX-API-DMAC10.html) |
| WO (1) | WO2006122415A1 (cg-RX-API-DMAC10.html) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8594187B2 (en) | 2007-03-02 | 2013-11-26 | Qualcomm Incorporated | Efficient video block mode changes in second pass video coding |
Families Citing this family (71)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7952360B2 (en) * | 2007-03-14 | 2011-05-31 | General Electric Company | Method and system for passively detecting and locating wire harness defects |
| CN100575978C (zh) * | 2007-07-03 | 2009-12-30 | 西安交通大学 | 基于双传感器定向耦合的发电机局部放电在线监测方法 |
| ITPR20070061A1 (it) | 2007-07-26 | 2009-01-27 | Techimp S P A | Strumento e procedimento di rilevazione di scariche elettriche parziali aventi luogo in un apparato elettrico |
| ITPR20070059A1 (it) * | 2007-07-26 | 2009-01-27 | Techimp S P A | Procedimento per rilevare, identificare e localizzare scariche parziali aventi luogo in un sito di scarica lungo un apparato elettrico |
| ITPR20070058A1 (it) * | 2007-07-26 | 2009-01-27 | Techimp S P A | Procedimento e apparato per monitorare un'attivita di scariche elettriche parziali in un apparato elettrico alimentato con tensione continua |
| IT1392776B1 (it) | 2009-02-17 | 2012-03-23 | Techimp Technologies S A Ora Techimp Technologies S R L | Sensore e procedimento di rilevazione di un impulso elettrico causato da una scarica parziale |
| US8224611B2 (en) * | 2009-03-11 | 2012-07-17 | Kavlico Corporation | One pin calibration assembly and method for sensors |
| IT1393308B1 (it) * | 2009-03-27 | 2012-04-20 | Techimp Technologies S A Ora Techimp Technologies S R L | Dispositivo e procedimento per localizzare scariche parziali. |
| IT1393307B1 (it) * | 2009-03-27 | 2012-04-20 | Techimp Technologies S A Ora Techimp Technologies S R L | Dispositivo e procedimento per localizzare scariche parziali. |
| AU2009230778A1 (en) * | 2009-03-31 | 2010-10-21 | Utilx Corporation | Synchronizer for a data acquisition system |
| US8115475B2 (en) | 2009-09-23 | 2012-02-14 | Electrical Reliability Services, Inc. | Manipulation assembly for online electrical system test probe installation |
| IT1396358B1 (it) * | 2009-10-30 | 2012-11-19 | Techimp Technologies S A Ora Techimp Technologies S R L | Dispositivo e procedimento per rilevare ed elaborare segnali relativi a scariche elettriche parziali. |
| IT1398249B1 (it) * | 2010-03-10 | 2013-02-22 | Techimp Technologies S A Ora Techimp Technologies S R L | Strumento e metodo per rilevare scariche elettriche parziali |
| 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. |
| MX346124B (es) * | 2010-05-31 | 2017-03-08 | Univ Politecnica De Madrid (Upm) * | Nuevo procedimiento para ensayar y diagnosticar en tiempo real las fuentes de descargas parciales que se produzcan en equipos e instalaciones de alta tensión en servicio o fuera de servicio y su sistema físico para la aplicación práctica del procedimiento. |
| KR101185588B1 (ko) | 2010-10-15 | 2012-09-24 | 한국전력공사 | 부분방전 신호 자동 스위칭 기능과 경보 기능을 구비한 부분방전 검출 장치 |
| CA2821795C (en) | 2010-12-30 | 2020-07-07 | Prysmian S.P.A. | Locating of partial-discharge-generating faults |
| US8797045B2 (en) * | 2011-03-25 | 2014-08-05 | Doble Lemke Gmbh | Device for detecting partial discharge in an insulation system of rotary electric machines |
| US8868360B2 (en) | 2011-04-29 | 2014-10-21 | General Electric Company | System and device for detecting defects in underground cables |
| US8868359B2 (en) * | 2011-04-29 | 2014-10-21 | General Electric Company | Device and method for detecting and locating defects in underground cables |
| DE102011102978B4 (de) * | 2011-05-23 | 2018-05-17 | Phoenix Contact Gmbh & Co. Kg | Strommessumformer |
| AU2013208101A1 (en) * | 2012-01-11 | 2014-07-10 | Utilx Corporation | System for analyzing and locating partial discharges |
| DE102012209586A1 (de) * | 2012-06-06 | 2013-12-12 | Bender Gmbh & Co. Kg | Isolationsfehlerüberwachung mit Signalqualitätsanzeige |
| WO2014006662A1 (en) * | 2012-07-06 | 2014-01-09 | Mitsubishi Heavy Industries, Ltd. | Method for diagnosing an electric device |
| CN104685366B (zh) * | 2012-10-05 | 2017-08-04 | 普睿司曼股份公司 | 具有同步的局部放电检测系统及方法 |
| CN103257306B (zh) * | 2012-10-25 | 2015-06-24 | 国网电力科学研究院武汉南瑞有限责任公司 | 换流变压器直流局部放电绝缘状态诊断方法及测量系统 |
| CA2815161A1 (en) | 2013-05-06 | 2014-11-06 | Hydro-Quebec | Quantitative analysis of signal related measurements for trending and pattern recognition |
| DE102013008968A1 (de) * | 2013-05-22 | 2014-11-27 | Hagenuk KMT Kabelmeßtechnik GmbH | Messverfahren mit einer Messvorrichtung zur Kabeldiagnose und/oder zur Kabelprüfung |
| DE102014220421A1 (de) * | 2013-10-24 | 2015-04-30 | Power Plus Communications Ag | Messknoten, System und Verfahren zur Überwachung des Zustands eines Energieversorgungsnetzwerks |
| DE102013224573B3 (de) * | 2013-11-29 | 2014-10-02 | Hagenuk KMT Kabelmeßtechnik GmbH | Verfahren und Einrichtung zur Ortung von Teilentladungen in elektrischen Kabeln |
| FR3015044B1 (fr) * | 2013-12-12 | 2016-01-29 | Alstom Technology Ltd | Capteur uhf externe de decharges partielles en circuit imprime souple |
| CN103809058B (zh) * | 2014-02-24 | 2016-08-17 | 尹忠和 | 船艇供配电智能检测系统 |
| US9712420B2 (en) * | 2014-03-05 | 2017-07-18 | Redvector Networks, Inc. | Method and medium for implicit relationship discovery based on cumulative co-temporal activity |
| US9813930B1 (en) * | 2014-07-21 | 2017-11-07 | 7Signal Solutions, Inc. | Method and apparatus for integrating active test capability to a wireless access point or base station |
| GB2531325A (en) * | 2014-10-16 | 2016-04-20 | Repl Internat Ltd | Medium-Voltage cable joint |
| US20160131692A1 (en) * | 2014-11-12 | 2016-05-12 | Cameron International Corporation | Cable Monitoring Apparatus |
| CN104483602A (zh) * | 2014-11-28 | 2015-04-01 | 北京兴迪仪器有限责任公司 | 局部放电信号识别方法及装置 |
| WO2016151572A1 (en) * | 2015-03-25 | 2016-09-29 | Pdp-Technologies Ltd | System for detecting electromagnetic discharge fields |
| US10542961B2 (en) | 2015-06-15 | 2020-01-28 | The Research Foundation For The State University Of New York | System and method for infrasonic cardiac monitoring |
| JP6672046B2 (ja) * | 2016-04-05 | 2020-03-25 | 日置電機株式会社 | 測定装置 |
| KR101904728B1 (ko) * | 2017-04-18 | 2018-10-05 | (주) 에코투모로우코리아 | 하이브리드 마그네틱 프로브 |
| EP3665911B1 (en) * | 2017-08-11 | 2023-11-22 | Hubbell Incorporated | Corona detection using audio data |
| DE102017217127A1 (de) * | 2017-09-26 | 2019-03-28 | Siemens Aktiengesellschaft | Verfahren und Anordnung zum Erkennen von Teilentladungen bei einem elektrischen Betriebsmittel |
| KR101961793B1 (ko) * | 2017-09-29 | 2019-03-25 | (주)파워피디 | 노이즈 제거 장치 및 방법 |
| KR101955988B1 (ko) * | 2017-10-17 | 2019-03-12 | (주) 에코투모로우코리아 | 부분방전 처리 장치 및 방법 |
| WO2019182246A1 (en) * | 2018-03-18 | 2019-09-26 | Lg Electronics Inc. | Partial discharge detecting system |
| KR102596266B1 (ko) * | 2018-03-18 | 2023-11-01 | 엘지전자 주식회사 | 부분 방전 검출 시스템 |
| JP7107752B2 (ja) * | 2018-05-31 | 2022-07-27 | 株式会社日立パワーソリューションズ | 部分放電校正装置、部分放電校正方法および部分放電測定方法 |
| GB2571370B (en) * | 2018-06-05 | 2020-04-15 | Ea Tech Limited | Partial discharge location device and method |
| RU187672U1 (ru) * | 2018-09-04 | 2019-03-14 | Акционерное общество "Головное производственно-техническое предприятие "Гранит" | Устройство контроля многожильных кабелей |
| JP7130542B2 (ja) | 2018-12-12 | 2022-09-05 | 株式会社日立製作所 | 部分放電検出装置及び部分放電検出方法 |
| CN109541293A (zh) * | 2018-12-27 | 2019-03-29 | 深圳供电局有限公司 | 电压波形提取装置 |
| CA3033769A1 (fr) * | 2019-02-14 | 2020-08-14 | Daniel Pineau | Detecteur de decharge partielle et methode associee |
| TWI693415B (zh) * | 2019-02-15 | 2020-05-11 | 南臺學校財團法人南臺科技大學 | 變壓器診斷方法及其系統、電腦程式產品及電腦可讀取記錄媒體 |
| JP2021015046A (ja) * | 2019-07-12 | 2021-02-12 | 日東工業株式会社 | 可搬式の放電検出装置 |
| CN110389284B (zh) * | 2019-08-12 | 2024-04-26 | 平顶山学院 | 配网柱上设备故障放电的检测系统及检测方法 |
| KR102504394B1 (ko) * | 2019-11-12 | 2023-02-28 | 명지대학교 산학협력단 | 딥러닝 기반 부분 방전 진단 장치 및 그 방법 |
| TWI737309B (zh) * | 2020-05-25 | 2021-08-21 | 國立臺灣科技大學 | 電纜接頭局部放電信號的線上量測系統 |
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| CN112595996B (zh) * | 2020-11-26 | 2022-08-26 | 云南电网有限责任公司电力科学研究院 | 一种变压器的档位确定方法 |
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| JP7371976B1 (ja) | 2022-11-01 | 2023-10-31 | 勇祐 鈴木 | 避雷ワイヤー断線位置測定システム |
| CN116008742A (zh) * | 2022-12-20 | 2023-04-25 | 广州番禺电缆集团有限公司 | 基于放电脉冲信号的电缆放电异常定位装置、方法及设备 |
| CN118275839B (zh) * | 2024-06-04 | 2024-07-30 | 常州新电自动化设备有限公司 | 一种环网柜局部放电检测装置 |
| WO2026044113A1 (en) * | 2024-08-21 | 2026-02-26 | The Board Of Trustees Of The Leland Stanford Junior University | Partial discharge localization and detection using non-invasive hall-effect sensors |
| AT528013B8 (de) * | 2024-12-20 | 2025-11-15 | Baur Gmbh | Messgerät zum Detektieren von durch einen Kabelfehler hervorgerufenen Messsignalen |
| CN120352738B (zh) * | 2025-04-15 | 2026-03-31 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | 变压器绕组匝间放电故障诊断方法及装置 |
| CN120254593B (zh) * | 2025-06-05 | 2025-10-10 | 重庆臻远电气有限公司 | Gis局部放电在线监测方法 |
Family Cites Families (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2404223C3 (de) | 1974-01-30 | 1979-03-22 | Kabel- Und Metallwerke Gutehoffnungshuette Ag, 3000 Hannover | Verfahren zur Messung der elektrischen Ladung von Teilentladungen und zur Ortung von Fehlerstellen in der Isolierung von isolierten Leitern |
| US4967158A (en) * | 1989-03-31 | 1990-10-30 | Hydro-Quebec | Portable detector device for detecting partial electrical discharge in live voltage distribution cables and/or equipment |
| JPH0750147B2 (ja) | 1989-06-14 | 1995-05-31 | 株式会社日立製作所 | ガス絶縁電気機器の異常位置標定方法および装置 |
| US5729145A (en) | 1992-07-30 | 1998-03-17 | Siemens Energy & Automation, Inc. | Method and apparatus for detecting arcing in AC power systems by monitoring high frequency noise |
| NL9201944A (nl) * | 1992-11-05 | 1994-06-01 | Kema Nv | Werkwijze voor het meten van partiële ontladingen in kabels. |
| WO1994017424A1 (en) * | 1993-01-19 | 1994-08-04 | Hydro-Quebec | Current surge indicator |
| US5530364A (en) * | 1994-12-27 | 1996-06-25 | The University Of Connecticut | Cable partial discharge location pointer |
| KR100206662B1 (ko) | 1995-08-28 | 1999-07-01 | 변승봉 | 주파수 스펙트럼 분석기를 이용한 부분방전 측정방법 |
| DE29518286U1 (de) * | 1995-11-17 | 1996-01-18 | Siemens AG, 80333 München | Vorrichtung zur Ortung von Teilentladungen bei dynamoelektrischen Hochspannungsmaschinen und/oder Hochspannungsanlagen |
| JPH09145772A (ja) * | 1995-11-20 | 1997-06-06 | Furukawa Electric Co Ltd:The | 送配電線故障区間標定方法及びその装置 |
| JPH10170596A (ja) * | 1996-12-09 | 1998-06-26 | Hitachi Ltd | 絶縁機器診断システム及び部分放電検出法 |
| SE9700836L (sv) | 1997-03-10 | 1998-09-07 | Abb Research Ltd | Anordning för avkänning av elektriska urladdningar i ett provobjekt med två elektriska anslutningsledare |
| DE19716963C2 (de) | 1997-04-16 | 2001-10-18 | Siemens Ag | Verfahren zur Ermittlung des Ortes einer Teilentladung |
| DE19734552C2 (de) | 1997-07-31 | 2003-01-30 | Siemens Ag | Vorrichtung und Verfahren zur Messung von Teilentladungen in gasisolierten Hochspannungsanlagen |
| 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 |
| JPH11248783A (ja) * | 1998-03-06 | 1999-09-17 | Mitsubishi Electric Corp | 部分放電検出装置 |
| US6392401B1 (en) | 1998-06-05 | 2002-05-21 | Chathan M. Cooke | Closely-coupled multiple-winding magnetic induction-type sensor |
| US6809523B1 (en) * | 1998-10-16 | 2004-10-26 | The Detroit Edison Company | On-line detection of partial discharge in electrical power systems |
| JP2000206099A (ja) * | 1999-01-11 | 2000-07-28 | Ngk Spark Plug Co Ltd | ガス濃度センサ |
| JP4157636B2 (ja) * | 1999-01-28 | 2008-10-01 | 株式会社日立製作所 | ガス絶縁機器の部分放電診断装置 |
| FI107082B (fi) * | 1999-10-19 | 2001-05-31 | Abb Substation Automation Oy | Menetelmä ja järjestely osittaispurkauslähteiden sijainnin määrittämiseksi |
| FI107083B (fi) * | 1999-10-19 | 2001-05-31 | Abb Substation Automation Oy | Menetelmä ja järjestelmä osittaispurkauksen aiheuttajan tunnistamiseksi |
| FI107081B (fi) | 1999-10-19 | 2001-05-31 | Abb Substation Automation Oy | Menetelmä ja järjestely osittaispurkauslähteiden lukumäärän selvittämiseksi |
| US7298841B2 (en) | 2000-07-27 | 2007-11-20 | Activated Content Corporation | Stegotext encoder and decoder |
| KR100486972B1 (ko) | 2002-07-09 | 2005-05-03 | 신용준 | 시간-주파수 영역 반사파 처리 방법 |
| CH696646A5 (de) | 2003-01-15 | 2007-08-31 | Alstom Technology Ltd | Verfahren zur Analyse und/oder Überwachung des Teilentladungsverhaltens eines elektrischen Betriebsmittels. |
| US7512503B2 (en) | 2003-05-12 | 2009-03-31 | Simmonds Precision Products, Inc. | Wire fault detection |
| US7949520B2 (en) | 2004-10-26 | 2011-05-24 | QNX Software Sytems Co. | Adaptive filter pitch extraction |
| EP1712182B1 (en) | 2005-04-14 | 2020-12-30 | Esaote S.p.A. | Method of ultrasonic detection and localization of contrast agent microbubbles and method for local drug administration by using microbubble carriers |
| US7903749B2 (en) | 2006-08-16 | 2011-03-08 | Harris Corporation | System and method for applying frequency domain spreading to multi-carrier communications signals |
| US8005239B2 (en) | 2006-10-30 | 2011-08-23 | Hewlett-Packard Development Company, L.P. | Audio noise reduction |
| JP4264841B2 (ja) | 2006-12-01 | 2009-05-20 | ソニー株式会社 | 音声認識装置および音声認識方法、並びに、プログラム |
| US7953600B2 (en) | 2007-04-24 | 2011-05-31 | Novaspeech Llc | System and method for hybrid speech synthesis |
-
2005
- 2005-05-20 CA CA002508428A patent/CA2508428A1/fr not_active Abandoned
-
2006
- 2006-05-18 ES ES06741523T patent/ES2372021T3/es not_active Expired - Lifetime
- 2006-05-18 US US11/920,612 patent/US8126664B2/en active Active
- 2006-05-18 JP JP2008511521A patent/JP5244586B2/ja not_active Expired - Lifetime
- 2006-05-18 EP EP06741523A patent/EP1883829B1/en not_active Expired - Lifetime
- 2006-05-18 AT AT06741523T patent/ATE527548T1/de not_active IP Right Cessation
- 2006-05-18 WO PCT/CA2006/000811 patent/WO2006122415A1/en not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8594187B2 (en) | 2007-03-02 | 2013-11-26 | Qualcomm Incorporated | Efficient video block mode changes in second pass video coding |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2508428A1 (fr) | 2006-11-20 |
| EP1883829A4 (en) | 2009-04-08 |
| WO2006122415A1 (en) | 2006-11-23 |
| US20090177420A1 (en) | 2009-07-09 |
| ATE527548T1 (de) | 2011-10-15 |
| US8126664B2 (en) | 2012-02-28 |
| EP1883829B1 (en) | 2011-10-05 |
| JP2008541099A (ja) | 2008-11-20 |
| ES2372021T3 (es) | 2012-01-13 |
| EP1883829A1 (en) | 2008-02-06 |
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