DE3856334D1 - Gerät zur Bewertung des Isolationszustandes - Google Patents

Gerät zur Bewertung des Isolationszustandes

Info

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
Application number
DE3856334T
Other languages
English (en)
Other versions
DE3856334T2 (de
Inventor
Akira Saigo
Shigenari Maezawa
Tomoaki Kageyama
Keizaburo Ishikura
Akio Sera
Junji Suehiro
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsui Chemicals Inc
Original Assignee
Mitsui Chemicals Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP19781287A external-priority patent/JPH07119782B2/ja
Priority claimed from JP63034800A external-priority patent/JP2836743B2/ja
Priority claimed from JP63043529A external-priority patent/JP2869067B2/ja
Priority claimed from JP4721388A external-priority patent/JP2831355B2/ja
Application filed by Mitsui Chemicals Inc filed Critical Mitsui Chemicals Inc
Publication of DE3856334D1 publication Critical patent/DE3856334D1/de
Application granted granted Critical
Publication of DE3856334T2 publication Critical patent/DE3856334T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
DE3856334T 1987-08-07 1988-08-05 Gerät zur Bewertung des Isolationszustandes Expired - Fee Related DE3856334T2 (de)

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
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
DE3888751T Expired - Fee Related DE3888751T2 (de) 1987-08-07 1988-08-05 Verfahren zur Bestimmung des Isolationszustandes.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE3856263T Expired - Fee Related DE3856263T2 (de) 1987-08-07 1988-08-05 Gerät zur Beurteilung des Zustandes einer Isolation

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE3888751T Expired - Fee Related DE3888751T2 (de) 1987-08-07 1988-08-05 Verfahren zur Bestimmung des Isolationszustandes.

Country Status (7)

Country Link
US (1) US4929903A (de)
EP (3) EP0544646B1 (de)
KR (1) KR920000566B1 (de)
CN (1) CN1018201B (de)
AT (2) ATE172794T1 (de)
CA (1) CA1294329C (de)
DE (3) DE3856263T2 (de)

Families Citing this family (40)

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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
ATE131935T1 (de) * 1989-07-31 1996-01-15 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
WO1996028743A1 (en) 1995-03-14 1996-09-19 Profile Technologies, Inc. Reflectometry methods for insulated pipes
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
WO1997032219A1 (en) 1996-02-27 1997-09-04 Profile Technologies, Inc. Pipe testing apparatus and method
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
US6340891B1 (en) * 1998-04-14 2002-01-22 Furukawa Electric Co., Ltd. Method of diagnosing deterioration of the insulation of an electric power cable
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
US7642790B2 (en) * 2003-05-06 2010-01-05 Profile Technologies, Inc. Systems and methods for testing conductive members employing electromagnetic back scattering
US7196529B2 (en) * 2003-05-06 2007-03-27 Profile Technologies, Inc. Systems and methods for testing conductive members employing electromagnetic back scattering
EP1629228B1 (de) * 2003-05-06 2017-08-16 WaveTrue, Inc. Verfahren zur zerstörungsfreien prüfung von leitfähigen elementen unter verwendung elektromagnetischer rückstreuung
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
CN102812369B (zh) 2010-04-14 2014-12-10 三菱电机株式会社 绝缘劣化诊断装置
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系统
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系统
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
CA1294329C (en) 1992-01-14
DE3856263T2 (de) 1999-03-25
DE3856263D1 (de) 1998-12-03
EP0302747A2 (de) 1989-02-08
CN1032239A (zh) 1989-04-05
EP0302747B1 (de) 1994-03-30
ATE180064T1 (de) 1999-05-15
DE3888751T2 (de) 1994-07-14
CN1018201B (zh) 1992-09-09
ATE172794T1 (de) 1998-11-15
EP0544646A3 (en) 1993-07-21
EP0550403A2 (de) 1993-07-07
EP0544646B1 (de) 1998-10-28
EP0550403B1 (de) 1999-05-12
US4929903A (en) 1990-05-29
EP0544646A2 (de) 1993-06-02
DE3856334T2 (de) 1999-11-04
EP0550403A3 (de) 1993-07-14
DE3888751D1 (de) 1994-05-05
KR890004170A (ko) 1989-04-20
KR920000566B1 (ko) 1992-01-16
EP0302747A3 (en) 1990-04-11

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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