DE69928767D1 - Verfahren und vorrichtung zur detektion der verschmutzung von motorwicklungen - Google Patents

Verfahren und vorrichtung zur detektion der verschmutzung von motorwicklungen

Info

Publication number
DE69928767D1
DE69928767D1 DE69928767T DE69928767T DE69928767D1 DE 69928767 D1 DE69928767 D1 DE 69928767D1 DE 69928767 T DE69928767 T DE 69928767T DE 69928767 T DE69928767 T DE 69928767T DE 69928767 D1 DE69928767 D1 DE 69928767D1
Authority
DE
Germany
Prior art keywords
current
contamination
sensing coil
motor windings
detecting protection
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
DE69928767T
Other languages
English (en)
Other versions
DE69928767T2 (de
Inventor
Burt Kliman
Henry Rehder
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of DE69928767D1 publication Critical patent/DE69928767D1/de
Publication of DE69928767T2 publication Critical patent/DE69928767T2/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
    • G01R31/34—Testing dynamo-electric machines

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
  • Protection Of Generators And Motors (AREA)
DE69928767T 1998-10-07 1999-09-21 Verfahren und vorrichtung zur detektion der verschmutzung von motorwicklungen Expired - Fee Related DE69928767T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US167343 1998-10-07
US09/167,343 US6169489B1 (en) 1998-10-07 1998-10-07 Motor winding contamination detector and detection
PCT/US1999/021919 WO2000020878A1 (en) 1998-10-07 1999-09-21 Motor winding contamination detector and detection

Publications (2)

Publication Number Publication Date
DE69928767D1 true DE69928767D1 (de) 2006-01-12
DE69928767T2 DE69928767T2 (de) 2006-09-07

Family

ID=22606977

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69928767T Expired - Fee Related DE69928767T2 (de) 1998-10-07 1999-09-21 Verfahren und vorrichtung zur detektion der verschmutzung von motorwicklungen

Country Status (9)

Country Link
US (1) US6169489B1 (de)
EP (1) EP1046044B1 (de)
JP (1) JP2002527027A (de)
AT (1) ATE312358T1 (de)
AU (1) AU6056499A (de)
CA (1) CA2313180C (de)
DE (1) DE69928767T2 (de)
MX (1) MXPA00005627A (de)
WO (1) WO2000020878A1 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6465926B2 (en) 2000-06-30 2002-10-15 General Electric Company Cleaning/cooling of high-power rotary current collector system
US6469414B2 (en) 2000-06-30 2002-10-22 General Electric Company Slip-ring mounting assembly for high-power rotary current collector system
CA2351895C (en) 2000-06-30 2009-12-15 General Electric Company Slip-ring mounting assembly for high-power rotary current collector system
US6456021B1 (en) 2000-06-30 2002-09-24 General Electric Company Rotating variable frequency transformer with high voltage cables
JP2004525344A (ja) 2000-11-08 2004-08-19 ゼネラル・エレクトリック・カンパニイ 地絡抵抗検出／計算装置と方法
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
EP2204660B1 (de) * 2008-12-30 2018-06-27 Omicron electronics GmbH Vorrichtung und verfahren zum bestimmen von teilentladungen an einer elektrischen komponente
US8140291B2 (en) * 2009-02-03 2012-03-20 General Electric Company Stator turn fault detection apparatus and method for induction machine
US8421442B2 (en) 2009-07-09 2013-04-16 General Electric Company High sensitivity differential current transformer for insulation health monitoring
US8217644B2 (en) * 2009-07-09 2012-07-10 General Electric Company High sensitivity differential current transformer for insulation health monitoring
US8405940B2 (en) * 2009-10-13 2013-03-26 Schweitzer Engineering Laboratories Inc Systems and methods for generator ground fault protection
CN103558552B (zh) * 2013-11-13 2017-03-29 北京联合大学 互感式三相电机电流噪声故障检测法和实施该方法的装置
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
US10514428B2 (en) 2017-07-13 2019-12-24 Itt Manufacturing Enterprises Llc Technique to detect motor leakage flux anomalies
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
JP7217682B2 (ja) * 2019-08-09 2023-02-03 株式会社日立製作所 回転電機の診断システム及び診断方法
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 (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3603740A1 (de) 1986-02-06 1987-08-13 Fraunhofer Ges Forschung Einrichtung zur ueberwachung des zustandes von elektrischen maschinen
US5223789A (en) * 1989-06-23 1993-06-29 Fuji Electric Co., Ltd. AC/DC current detecting method
US5767780A (en) * 1993-09-22 1998-06-16 Lockheed Martin Energy Research Corporation Detector for flow abnormalities in gaseous diffusion plant compressors
US5629870A (en) * 1994-05-31 1997-05-13 Siemens Energy & Automation, Inc. Method and apparatus for predicting electric induction machine failure during operation
JPH0875810A (ja) 1994-09-09 1996-03-22 Chodendo Hatsuden Kanren Kiki Zairyo Gijutsu Kenkyu Kumiai 超電導回転電機のクエンチ検出器
US5514978A (en) 1995-03-20 1996-05-07 General Electric Company Stator turn fault detector for AC motor
US5541800A (en) * 1995-03-22 1996-07-30 Hubbell Incorporated Reverse wiring indicator for GFCI receptacles
US5534854A (en) * 1995-07-10 1996-07-09 Bradbury; Rod J. Fan failure alert for electronic equipment

Also Published As

Publication number Publication date
EP1046044A1 (de) 2000-10-25
US6169489B1 (en) 2001-01-02
AU6056499A (en) 2000-04-26
WO2000020878A1 (en) 2000-04-13
MXPA00005627A (es) 2005-08-19
DE69928767T2 (de) 2006-09-07
ATE312358T1 (de) 2005-12-15
CA2313180A1 (en) 2000-04-13
CA2313180C (en) 2008-04-01
EP1046044B1 (de) 2005-12-07
JP2002527027A (ja) 2002-08-20

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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