DE69524463D1 - Erdschlussdetektor und Schutzrelais für Erregerwicklungen - Google Patents

Erdschlussdetektor und Schutzrelais für Erregerwicklungen

Info

Publication number
DE69524463D1
DE69524463D1 DE69524463T DE69524463T DE69524463D1 DE 69524463 D1 DE69524463 D1 DE 69524463D1 DE 69524463 T DE69524463 T DE 69524463T DE 69524463 T DE69524463 T DE 69524463T DE 69524463 D1 DE69524463 D1 DE 69524463D1
Authority
DE
Germany
Prior art keywords
earth fault
protection relay
fault detector
excitation windings
windings
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
DE69524463T
Other languages
English (en)
Other versions
DE69524463T2 (de
Inventor
Toshio Tanaka
Toshinori Takei
Tetsuo Ugawa
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
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
Application filed by Toshiba Corp filed Critical Toshiba Corp
Application granted granted Critical
Publication of DE69524463D1 publication Critical patent/DE69524463D1/de
Publication of DE69524463T2 publication Critical patent/DE69524463T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/06—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric generators; for synchronous capacitors
    • H02H7/065—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric generators; for synchronous capacitors against excitation 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
    • G01R31/34—Testing dynamo-electric machines
    • G01R31/346—Testing of armature or field windings
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Protection Of Generators And Motors (AREA)
  • Control Of Eletrric Generators (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Emergency Protection Circuit Devices (AREA)
DE69524463T 1994-02-25 1995-02-22 Erdschlussdetektor und Schutzrelais für Erregerwicklungen Expired - Fee Related DE69524463T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP02858094A JP3468817B2 (ja) 1994-02-25 1994-02-25 界磁地絡検出器

Publications (2)

Publication Number Publication Date
DE69524463D1 true DE69524463D1 (de) 2002-01-24
DE69524463T2 DE69524463T2 (de) 2002-07-18

Family

ID=12252545

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69524463T Expired - Fee Related DE69524463T2 (de) 1994-02-25 1995-02-22 Erdschlussdetektor und Schutzrelais für Erregerwicklungen

Country Status (7)

Country Link
US (2) US5675465A (de)
EP (1) EP0671632B1 (de)
JP (1) JP3468817B2 (de)
KR (1) KR100206027B1 (de)
CN (1) CN1045821C (de)
CA (1) CA2143364C (de)
DE (1) DE69524463T2 (de)

Families Citing this family (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58102790A (ja) * 1981-12-14 1983-06-18 Mitsubishi Electric Corp 印字装置
JP3468817B2 (ja) * 1994-02-25 2003-11-17 株式会社東芝 界磁地絡検出器
SE9602079D0 (sv) 1996-05-29 1996-05-29 Asea Brown Boveri Roterande elektriska maskiner med magnetkrets för hög spänning och ett förfarande för tillverkning av densamma
JP3051905B2 (ja) 1996-05-29 2000-06-12 エービービー エービー 電力用変圧器・リアクトル
KR20000016040A (ko) 1996-05-29 2000-03-25 에이비비 에이비 고전압 권선용 절연 전도체 및 상기 전도체의 제조 방법
DE69725181D1 (de) 1996-05-29 2003-10-30 Abb Ab Vaesteraas Leiter für hochspannungswicklungen und rotierende elektrische maschine mit einem solchen leiter
SE510192C2 (sv) 1996-05-29 1999-04-26 Asea Brown Boveri Förfarande och kopplingsarrangemang för att minska problem med tredjetonsströmmar som kan uppstå vid generator - och motordrift av växelströmsmaskiner kopplade till trefas distributions- eller transmissionsnät
SE509072C2 (sv) 1996-11-04 1998-11-30 Asea Brown Boveri Anod, anodiseringsprocess, anodiserad tråd och användning av sådan tråd i en elektrisk anordning
SE515843C2 (sv) 1996-11-04 2001-10-15 Abb Ab Axiell kylning av rotor
SE510422C2 (sv) 1996-11-04 1999-05-25 Asea Brown Boveri Magnetplåtkärna för elektriska maskiner
SE512917C2 (sv) 1996-11-04 2000-06-05 Abb Ab Förfarande, anordning och kabelförare för lindning av en elektrisk maskin
SE9704423D0 (sv) 1997-02-03 1997-11-28 Asea Brown Boveri Roterande elektrisk maskin med spolstöd
SE9704431D0 (sv) 1997-02-03 1997-11-28 Asea Brown Boveri Effektreglering av synkronmaskin
SE508544C2 (sv) 1997-02-03 1998-10-12 Asea Brown Boveri Förfarande och anordning för montering av en stator -lindning bestående av en kabel.
SE9704427D0 (sv) 1997-02-03 1997-11-28 Asea Brown Boveri Infästningsanordning för elektriska roterande maskiner
SE9704422D0 (sv) 1997-02-03 1997-11-28 Asea Brown Boveri Ändplatta
SE9704421D0 (sv) 1997-02-03 1997-11-28 Asea Brown Boveri Seriekompensering av elektrisk växelströmsmaskin
SE508543C2 (sv) 1997-02-03 1998-10-12 Asea Brown Boveri Hasplingsanordning
SE521013C2 (sv) * 1997-09-30 2003-09-23 Abb Ab Roterande elektrisk maskin försedd med lindning utgjord av högspänningskabel
EP1042853A2 (de) 1997-11-28 2000-10-11 Abb Ab Verfahren und vorrichtung zur steverung des magnetischen flusses mit einer hilfswicklung in einer rotierenden hochspannungsmachine der wechselstrom-banart
GB2331867A (en) 1997-11-28 1999-06-02 Asea Brown Boveri Power cable termination
US6801421B1 (en) 1998-09-29 2004-10-05 Abb Ab Switchable flux control for high power static electromagnetic devices
US6327124B1 (en) * 1999-02-05 2001-12-04 Smc Electrical Products, Inc. Low current ground fault relay
US6549385B1 (en) * 1999-10-19 2003-04-15 Associated Research, Inc. Test circuit for a withstand voltage tester
AU2002336884A1 (en) * 2001-11-19 2003-06-10 Alstom Technology Ltd Method for the detection of an earth connection occurring in the vicinity of a neutral point in an electrical device, device for carrying out and application of said method
JP2003202495A (ja) * 2002-01-07 2003-07-18 Canon Inc 画像読取装置
KR100451774B1 (ko) * 2002-02-14 2004-10-08 엘지산전 주식회사 지락 검출 장치
GB0300507D0 (en) * 2003-01-09 2003-02-12 Goodrich Corp Apparatus for and method of ground fault detection
US7034554B2 (en) * 2003-08-19 2006-04-25 Eaton Corporation Method and apparatus for measuring impedance across pressure joints in a power distribution system
GB2435135B (en) * 2006-02-11 2008-05-21 Rolls Royce Plc Fault current limiting within an electrical power network
US7253634B1 (en) * 2006-03-31 2007-08-07 General Electric Company Generator protection methods and systems self-tuning to a plurality of characteristics of a machine
US7791351B2 (en) * 2006-08-11 2010-09-07 Monte B Raber Method for detecting electrical ground faults
US7498818B2 (en) * 2006-08-25 2009-03-03 Schweitzer Engineering Laboratories, Inc. Apparatus and method for detecting a brush liftoff in a synchronous generator rotor circuit
US20100082197A1 (en) * 2008-09-30 2010-04-01 Honeywell International Inc. Intermittent fault detection and reasoning
US8405940B2 (en) * 2009-10-13 2013-03-26 Schweitzer Engineering Laboratories Inc Systems and methods for generator ground fault protection
US8164312B1 (en) * 2011-01-27 2012-04-24 General Electric Company Reduction in generator-sourced fault current contribution
US11329589B2 (en) * 2012-03-28 2022-05-10 Joy Global Underground Mining Llc Ground fault detection methods on variable frequency drive systems
JP5924095B2 (ja) * 2012-04-18 2016-05-25 三菱自動車工業株式会社 保護回路
JP6135923B2 (ja) * 2013-07-05 2017-05-31 アイシン精機株式会社 発電システム
WO2015011798A1 (ja) * 2013-07-24 2015-01-29 三菱電機株式会社 界磁巻線方式回転電機の診断装置および界磁巻線方式回転電機の診断方法
US10288688B2 (en) 2014-07-24 2019-05-14 Schweitzer Engineering Laboratories, Inc. Systems and methods for monitoring and protecting an electric power generator
US9496707B2 (en) 2014-12-22 2016-11-15 Schweitzer Engineering Laboratories, Inc. Generator protection element
EP3128335B1 (de) * 2015-08-05 2018-04-04 ABB S.p.A. Verfahren zur erdschlusserfassung in einer elektrischen lvdc-leitung und elektronische vorrichtung dafür
CN108693429B (zh) * 2017-04-07 2020-11-20 维谛技术有限公司 一种放电晶闸管的故障检测方法、装置及控制装置
CN107328997A (zh) * 2017-07-10 2017-11-07 西安兴汇电力科技有限公司 一种接地阻抗测量方法
US10333291B2 (en) 2017-09-25 2019-06-25 Schweitzer Engineering Laboratories, Inc. Multiple generator ground fault detection
US10931097B2 (en) 2017-09-25 2021-02-23 Schweitzer Engineering Laboratories, Inc. Generator stator ground protection using third harmonic
US10797632B2 (en) 2018-08-21 2020-10-06 Schweitzer Engineering Laboratories, Inc. Sensitive directional element for generator protection
US11862963B2 (en) * 2018-11-30 2024-01-02 Safran Power Usa, Llc Electrical system redundant overvoltage protection
CN110488187B (zh) * 2019-07-30 2021-10-01 南京南瑞继保工程技术有限公司 交流励磁同步电机励磁绕组接地短路故障保护系统及方法
US11316455B2 (en) 2019-08-28 2022-04-26 Schweitzer Engineering Laboratories, Inc. Generator rotor turn-to-turn fault detection using fractional harmonics
US10819261B1 (en) 2019-10-25 2020-10-27 Schweitzer Engineering Laboratories, Inc. Security improvements for electric power generator protection
US11631972B2 (en) 2020-12-16 2023-04-18 Schweitzer Engineering Laboratories, Inc. Accurate modeling of equipment overexcitation damage curves
US11946966B1 (en) 2023-02-20 2024-04-02 Schweitzer Engineering Laboratories, Inc. Selective stator ground fault protection using positive-sequence voltage reference

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53103550A (en) * 1977-02-23 1978-09-08 Toshiba Corp Protective device for earthed field windings of alternator
JPS6026470B2 (ja) * 1979-06-08 1985-06-24 株式会社東芝 ブラシレス回転電機の地絡故障検出装置
US4410925A (en) * 1982-03-22 1983-10-18 The United States Of America As Represented By The Secretary Of The Navy Ground fault detector and shutdown system
JPS59110395A (ja) * 1982-12-16 1984-06-26 Toshiba Corp ブラシレス回転電機
US4679111A (en) * 1985-11-12 1987-07-07 Westinghouse Electric Corp. Resistance to ground checker
GB2194863A (en) * 1986-08-23 1988-03-16 Seabold Continuous monitoring of ground fault
US4864242A (en) * 1988-09-06 1989-09-05 Westinghouse Electric Corp. Automatic field winding ground detector and locator
FR2650395B1 (fr) * 1989-07-31 1991-09-27 Merlin Gerin Dispositif de mesure de la valeur efficace d'un signal, notamment pour la mesure du courant dans un declencheur statique
JPH03212117A (ja) * 1990-01-10 1991-09-17 Toshiba Corp 負荷制御装置
JP3468817B2 (ja) * 1994-02-25 2003-11-17 株式会社東芝 界磁地絡検出器

Also Published As

Publication number Publication date
CN1045821C (zh) 1999-10-20
KR100206027B1 (ko) 1999-07-01
CN1112682A (zh) 1995-11-29
JP3468817B2 (ja) 2003-11-17
KR950026073A (ko) 1995-09-18
EP0671632B1 (de) 2001-12-12
US5764462A (en) 1998-06-09
DE69524463T2 (de) 2002-07-18
EP0671632A2 (de) 1995-09-13
CA2143364C (en) 2001-11-27
JPH07241027A (ja) 1995-09-12
US5675465A (en) 1997-10-07
CA2143364A1 (en) 1995-08-26
EP0671632A3 (de) 1996-09-18

Similar Documents

Publication Publication Date Title
DE69524463T2 (de) Erdschlussdetektor und Schutzrelais für Erregerwicklungen
DE69522712D1 (de) Fehlerüberwachung
DE69721654D1 (de) Fehlereingrenzung
DE69409132T2 (de) Anstiegflankeschutz für zusammengesetzte schaufel
DE69736737D1 (de) Wirbelstrom-fehlerdetektor
DE69506054D1 (de) Schutzvorrichtung für Masken
FI982741A0 (fi) Menetelmä suojareleen yhteydessä ja suojarele
DE69722549D1 (de) Abdeckung für unterirdische Strukturen und deren Rahmen
DE69935368D1 (de) Kernmaterial für Störungsfilter
DE69943254D1 (de) Schutzrelais für Sammelschienensystem
DE69702543T2 (de) Wicklungsanordnung für Transformator
DE59404279D1 (de) Erdbebenschutzvorrichtung für eine gasisolierte Schaltanlage
DE69421075T2 (de) Überlastschutzanordnung für eine integrierte Schaltung und entsprechendes Verfahren
DE29805102U1 (de) Schutzvorrichtung für Flansche
DE29612001U1 (de) Überlastsicherung für Spindelantriebe
DE9412262U1 (de) Sicherungsvorrichtung für Kellerfenster
DE59702021D1 (de) Bewicklungsschutz für bandkerne
DE9401620U1 (de) Verpackungsanordnung für Tapeten und dazu passende Borten
DE29612215U1 (de) Isolator für Elektroweidezäune
KR940027543U (ko) 집합형 지락검출 계전기
KR960012257U (ko) 과전압 보호용 전자릴레이
DE9418699U1 (de) Schonbezüge für eine PKW-Sitzausstattung
KR950031426U (ko) 변압기 보호용 디지탈 비율차동계전기
KR950028591U (ko) 릴레이용 코일 접속 구조
ATA175396A (de) Gleitschutz für gehstütze

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee