DE3856334D1 - Gerät zur Bewertung des Isolationszustandes - Google Patents
Gerät zur Bewertung des IsolationszustandesInfo
- Publication number
- DE3856334D1 DE3856334D1 DE3856334T DE3856334T DE3856334D1 DE 3856334 D1 DE3856334 D1 DE 3856334D1 DE 3856334 T DE3856334 T DE 3856334T DE 3856334 T DE3856334 T DE 3856334T DE 3856334 D1 DE3856334 D1 DE 3856334D1
- Authority
- DE
- Germany
- Prior art keywords
- wound
- primary
- magnetic flux
- flux density
- evaluating
- 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 - Fee Related
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
- G01R31/12—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
-
- 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
-
- 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
-
- 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
-
- 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
- G01R31/58—Testing of lines, cables or conductors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Testing Relating To Insulation (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Gas-Insulated Switchgears (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Electrophonic Musical Instruments (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19781287A JPH07119782B2 (ja) | 1987-08-07 | 1987-08-07 | 電気機器およびケ−ブルの絶縁劣化検出装置 |
JP63034800A JP2836743B2 (ja) | 1988-02-17 | 1988-02-17 | 絶縁状態の検知方法、及びその検知装置 |
JP63043529A JP2869067B2 (ja) | 1988-02-26 | 1988-02-26 | 絶縁状態の検知装置 |
JP4721388A JP2831355B2 (ja) | 1988-02-29 | 1988-02-29 | 絶縁状態の検知方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3856334D1 true DE3856334D1 (de) | 1999-06-17 |
DE3856334T2 DE3856334T2 (de) | 1999-11-04 |
Family
ID=27459992
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3888751T Expired - Fee Related DE3888751T2 (de) | 1987-08-07 | 1988-08-05 | Verfahren zur Bestimmung des Isolationszustandes. |
DE3856263T Expired - Fee Related DE3856263T2 (de) | 1987-08-07 | 1988-08-05 | Gerät zur Beurteilung des Zustandes einer Isolation |
DE3856334T Expired - Fee Related DE3856334T2 (de) | 1987-08-07 | 1988-08-05 | Gerät zur Bewertung des Isolationszustandes |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3888751T Expired - Fee Related DE3888751T2 (de) | 1987-08-07 | 1988-08-05 | Verfahren zur Bestimmung des Isolationszustandes. |
DE3856263T Expired - Fee Related DE3856263T2 (de) | 1987-08-07 | 1988-08-05 | Gerät zur Beurteilung des Zustandes einer Isolation |
Country Status (7)
Country | Link |
---|---|
US (1) | US4929903A (de) |
EP (3) | EP0550403B1 (de) |
KR (1) | KR920000566B1 (de) |
CN (1) | CN1018201B (de) |
AT (2) | ATE172794T1 (de) |
CA (1) | CA1294329C (de) |
DE (3) | DE3888751T2 (de) |
Families Citing this family (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2645650B1 (fr) * | 1989-04-06 | 1991-09-27 | Merlin Gerin | Systeme de controle d'isolement d'un reseau a courant continu |
JPH0664108B2 (ja) * | 1989-06-02 | 1994-08-22 | 株式会社日立製作所 | 電力機器の診断装置および診断方法 |
DE69024278T2 (de) * | 1989-07-31 | 1996-06-27 | Mitsui Petrochemical Ind | Anordnung zur Überwachung der Isolationsverschlechterung einer elektrischen Installation |
CA2008898C (en) * | 1989-10-25 | 1998-11-24 | Takeshi Endoh | Method for detecting partial discharge in an insulation of an electric power apparatus |
US5365177A (en) * | 1993-03-10 | 1994-11-15 | Honeywell Inc. | Apparatus for measurement of high frequency corona discharges in electrical components |
US5608328A (en) * | 1994-11-18 | 1997-03-04 | Radar Engineers | Method and apparatus for pin-pointing faults in electric power lines |
CA2216079C (en) | 1995-03-14 | 2006-05-16 | Profile Technologies, Inc. | Detection of suface amomalies in elongate conductive members by pulse propagation analysis |
US6281685B1 (en) * | 1995-08-29 | 2001-08-28 | The United States Of America As Represented By The Secretary Of The Army | Cable shield fault locator |
US5648725A (en) * | 1995-09-12 | 1997-07-15 | Emerson Electric Co. | Pulse width modulation simulator for testing insulating materials |
EP0885396A4 (de) | 1996-02-27 | 2007-09-26 | Profile Technologies Inc | Verfahren und vorrichtung zur prüfung von rohren |
NL1005721C2 (nl) * | 1997-04-03 | 1998-10-07 | Kema Nv | Werkwijze en inrichting voor het detecteren van partiële ontladingen. |
US6313640B1 (en) | 1998-02-03 | 2001-11-06 | Abb Power T & D Company, Inc. | System and method for diagnosing and measuring partial discharge |
US6225811B1 (en) | 1998-03-30 | 2001-05-01 | Lectromechanical Design Co. | Wire degradation testing system |
JP4267713B2 (ja) * | 1998-04-14 | 2009-05-27 | 古河電気工業株式会社 | 電力ケーブルの劣化診断方法 |
US6300767B1 (en) * | 1998-11-30 | 2001-10-09 | General Electric Company | System and apparatus for predicting failure in insulated systems |
US6633169B1 (en) * | 1999-04-08 | 2003-10-14 | Doble Engineering Company | Monitoring leakage currents from high-voltage devices |
KR100418195B1 (ko) * | 2001-07-05 | 2004-02-11 | 주식회사 우리기술 | 전력케이블의 다중절연진단장치 및 그 방법 |
JP2003161756A (ja) * | 2001-11-28 | 2003-06-06 | Hitachi Ltd | 絶縁診断装置 |
US7196529B2 (en) * | 2003-05-06 | 2007-03-27 | Profile Technologies, Inc. | Systems and methods for testing conductive members employing electromagnetic back scattering |
US20050007121A1 (en) * | 2003-05-06 | 2005-01-13 | Burnett Gale D. | Systems and methods for non-destructively testing conductive members employing electromagnetic back scattering |
US7642790B2 (en) * | 2003-05-06 | 2010-01-05 | Profile Technologies, Inc. | Systems and methods for testing conductive members employing electromagnetic back scattering |
CN100480713C (zh) * | 2003-10-22 | 2009-04-22 | 株式会社藤仓 | 绝缘劣化诊断装置 |
US7952360B2 (en) * | 2007-03-14 | 2011-05-31 | General Electric Company | Method and system for passively detecting and locating wire harness defects |
WO2011129218A1 (ja) | 2010-04-14 | 2011-10-20 | 三菱電機株式会社 | 絶縁劣化診断装置 |
JP6126930B2 (ja) * | 2013-07-19 | 2017-05-10 | 矢崎総業株式会社 | 絶縁状態検出装置 |
CN103913679B (zh) * | 2014-03-03 | 2017-08-08 | 高海涛 | 高压开关柜局部放电在线监测*** |
JP6272185B2 (ja) * | 2014-08-25 | 2018-01-31 | 三菱電機株式会社 | 配線用コア構造、半導体評価装置及び半導体装置 |
CN106526433B (zh) * | 2016-09-20 | 2019-05-21 | 海南电网有限责任公司电力科学研究院 | 变压器电流波形特征试验方法和装置 |
CN106771895A (zh) * | 2016-11-25 | 2017-05-31 | 国网上海市电力公司 | 一种基于磁场谐波检测的电缆老化检测方法 |
EP3361587B1 (de) * | 2017-02-10 | 2020-11-25 | Airbus Operations GmbH | Schutz und fehlererkennung für hochspannungskabel in einem flugzeug |
CN106950482B (zh) * | 2017-05-09 | 2019-03-29 | 广东电网有限责任公司珠海供电局 | 一种基于相间信号图谱相似关系的电晕干扰排除方法 |
CA3007729A1 (en) | 2017-06-12 | 2018-12-12 | Vibrosystm Inc. | Method of monitoring partial discharges in a high voltage electric machine, and connection cable therefore |
CN109239534B (zh) * | 2017-07-10 | 2022-03-18 | 比亚迪股份有限公司 | 列车以及列车的绝缘检测*** |
CN108732475B (zh) * | 2018-05-18 | 2020-10-23 | 云南电网有限责任公司电力科学研究院 | 一种用于输电线路电晕放电的检测装置 |
DE102018211230A1 (de) * | 2018-07-06 | 2020-01-09 | Siemens Aktiengesellschaft | Anordnung und Verfahren zum Monitoring von äußeren Oberflächen einer Hochspannungseinrichtung |
DE102018215801A1 (de) * | 2018-09-18 | 2020-03-19 | Zf Friedrichshafen Ag | Elektronikmodul, Leistungselektronik und Kraftfahrzeug |
CN111856313B (zh) * | 2020-07-20 | 2021-07-13 | 北京交通大学 | 双路电源实时监测装置 |
JP7446186B2 (ja) * | 2020-09-04 | 2024-03-08 | 国立大学法人京都大学 | 張力測定方法 |
CZ202160A3 (cs) * | 2021-02-10 | 2022-08-17 | Modemtec S.R.O. | Snímač částečných výbojů |
EP4390412A1 (de) * | 2022-12-22 | 2024-06-26 | Koninklijke Philips N.V. | Lichtbogendetektion |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3739272A (en) * | 1971-07-09 | 1973-06-12 | Phelps Dodge Copper Prod | Filter circuit for corona detection |
US3775676A (en) * | 1972-07-21 | 1973-11-27 | Westinghouse Electric Corp | Methods for locating partial discharges in electrical apparatus |
US4064454A (en) * | 1973-02-14 | 1977-12-20 | Matsushita Electric Industrial Co., Ltd. | Corona discharge detecting device |
US4112354A (en) * | 1976-11-09 | 1978-09-05 | General Cable Corporation | Mobile bridge test apparatus and method utilizing a sub-power frequency test signal for cable system evaluation |
FR2400247A1 (fr) * | 1977-08-10 | 1979-03-09 | Saparel | Dispositif a tore sensible a un courant electrique |
FR2428308A1 (fr) * | 1978-06-08 | 1980-01-04 | Mayer Ferdy | Transformateur differentiel de relais de protection d'installation electrique |
US4263549A (en) * | 1979-10-12 | 1981-04-21 | Corcom, Inc. | Apparatus for determining differential mode and common mode noise |
US4371832A (en) * | 1980-05-27 | 1983-02-01 | Wilson Gerald L | DC Ground fault detector wherein fault is sensed by noting imbalance of magnetic flux in a magnetic core |
US4356443A (en) * | 1980-08-26 | 1982-10-26 | Westinghouse Electric Corp. | Detection of arcing faults in polyphase electric machines |
JPS57207875A (en) * | 1981-06-17 | 1982-12-20 | Tohoku Electric Power Co Inc | Insulation failure detecting method of power cable |
DE3275492D1 (en) * | 1982-01-18 | 1987-04-02 | Allied Corp | Near-zero magnetostrictive glassy metal alloys with high magnetic and thermal stability |
US4546309A (en) * | 1982-09-13 | 1985-10-08 | Commonwealth Edison Company | Apparatus and method for locating ground faults |
JPS5991376A (ja) * | 1982-11-16 | 1984-05-26 | Kansai Electric Power Co Inc:The | 電力ケ−ブルの絶縁劣化診断方法 |
JPS59194544A (ja) * | 1983-04-20 | 1984-11-05 | Yokogawa Hokushin Electric Corp | デ−タ伝送路の分岐挿入回路 |
US4570231A (en) * | 1984-01-27 | 1986-02-11 | Richard H. Bunch | Fault finder |
DE3526149A1 (de) * | 1985-06-15 | 1986-12-18 | Kraftwerk Union AG, 4330 Mülheim | Ankopplungseinheit zur betriebsmaessigen ueberwachung der hochspannungswicklungen und der angeschlossenen ableitungen bei elektrischen hochspannungs-maschinen und -apparaten, mittels teilentladungserfassung und abreissfunkenmessung |
SE449796B (sv) * | 1985-12-20 | 1987-05-18 | Asea Ab | Forfarande och anordning for lokalisering av fel pa en kraftledning |
-
1988
- 1988-08-05 EP EP93102628A patent/EP0550403B1/de not_active Expired - Lifetime
- 1988-08-05 AT AT93102627T patent/ATE172794T1/de active
- 1988-08-05 DE DE3888751T patent/DE3888751T2/de not_active Expired - Fee Related
- 1988-08-05 KR KR1019880009997A patent/KR920000566B1/ko not_active IP Right Cessation
- 1988-08-05 EP EP88307260A patent/EP0302747B1/de not_active Expired - Lifetime
- 1988-08-05 AT AT93102628T patent/ATE180064T1/de not_active IP Right Cessation
- 1988-08-05 US US07/228,578 patent/US4929903A/en not_active Expired - Fee Related
- 1988-08-05 EP EP93102627A patent/EP0544646B1/de not_active Expired - Lifetime
- 1988-08-05 DE DE3856263T patent/DE3856263T2/de not_active Expired - Fee Related
- 1988-08-05 CA CA000573967A patent/CA1294329C/en not_active Expired - Fee Related
- 1988-08-05 DE DE3856334T patent/DE3856334T2/de not_active Expired - Fee Related
- 1988-08-06 CN CN88104898A patent/CN1018201B/zh not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0550403A2 (de) | 1993-07-07 |
DE3856263T2 (de) | 1999-03-25 |
KR920000566B1 (ko) | 1992-01-16 |
EP0544646B1 (de) | 1998-10-28 |
CN1018201B (zh) | 1992-09-09 |
EP0550403B1 (de) | 1999-05-12 |
ATE180064T1 (de) | 1999-05-15 |
DE3856263D1 (de) | 1998-12-03 |
DE3888751T2 (de) | 1994-07-14 |
EP0544646A3 (en) | 1993-07-21 |
KR890004170A (ko) | 1989-04-20 |
EP0302747A3 (en) | 1990-04-11 |
EP0302747A2 (de) | 1989-02-08 |
ATE172794T1 (de) | 1998-11-15 |
CN1032239A (zh) | 1989-04-05 |
CA1294329C (en) | 1992-01-14 |
EP0544646A2 (de) | 1993-06-02 |
DE3888751D1 (de) | 1994-05-05 |
EP0302747B1 (de) | 1994-03-30 |
EP0550403A3 (de) | 1993-07-14 |
DE3856334T2 (de) | 1999-11-04 |
US4929903A (en) | 1990-05-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |