ATE312358T1 - Verfahren und vorrichtung zur detektion der verschmutzung von motorwicklungen - Google Patents
Verfahren und vorrichtung zur detektion der verschmutzung von motorwicklungenInfo
- Publication number
- ATE312358T1 ATE312358T1 AT99970165T AT99970165T ATE312358T1 AT E312358 T1 ATE312358 T1 AT E312358T1 AT 99970165 T AT99970165 T AT 99970165T AT 99970165 T AT99970165 T AT 99970165T AT E312358 T1 ATE312358 T1 AT E312358T1
- Authority
- AT
- Austria
- Prior art keywords
- current
- contamination
- sensing coil
- motor windings
- detecting contamination
- Prior art date
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)
- Protection Of Generators And Motors (AREA)
- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 (1)
| Publication Number | Publication Date |
|---|---|
| ATE312358T1 true ATE312358T1 (de) | 2005-12-15 |
Family
ID=22606977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT99970165T ATE312358T1 (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 (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2351895C (en) | 2000-06-30 | 2009-12-15 | General Electric Company | Slip-ring mounting assembly for high-power rotary current collector system |
| US6465926B2 (en) | 2000-06-30 | 2002-10-15 | General Electric Company | Cleaning/cooling of 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 |
| US6469414B2 (en) | 2000-06-30 | 2002-10-22 | General Electric Company | Slip-ring mounting assembly for high-power rotary current collector system |
| RU2263925C2 (ru) | 2000-11-08 | 2005-11-10 | Дженерал Электрик Компани | Устройство и способ обнаружения короткого замыкания на землю и вычисления его сопротивления |
| 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 |
| US10931097B2 (en) | 2017-09-25 | 2021-02-23 | Schweitzer Engineering Laboratories, Inc. | Generator stator ground protection using third harmonic |
| US10333291B2 (en) | 2017-09-25 | 2019-06-25 | Schweitzer Engineering Laboratories, Inc. | Multiple generator ground fault detection |
| 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 |
| CN113466617B (zh) * | 2021-06-24 | 2024-08-20 | 西安交通大学 | 一种基于距离聚类的小电流接地动态智能选线方法 |
| US12249948B2 (en) | 2022-08-30 | 2025-03-11 | Schweitzer Engineering Laboratories, Inc. | Split-phase protection of generators |
| 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)
| 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 |
-
1998
- 1998-10-07 US US09/167,343 patent/US6169489B1/en not_active Expired - Fee Related
-
1999
- 1999-09-21 WO PCT/US1999/021919 patent/WO2000020878A1/en not_active Ceased
- 1999-09-21 CA CA002313180A patent/CA2313180C/en not_active Expired - Fee Related
- 1999-09-21 MX MXPA00005627A patent/MXPA00005627A/es not_active IP Right Cessation
- 1999-09-21 AU AU60564/99A patent/AU6056499A/en not_active Abandoned
- 1999-09-21 JP JP2000574944A patent/JP2002527027A/ja active Pending
- 1999-09-21 DE DE69928767T patent/DE69928767T2/de not_active Expired - Fee Related
- 1999-09-21 EP EP99970165A patent/EP1046044B1/de not_active Expired - Lifetime
- 1999-09-21 AT AT99970165T patent/ATE312358T1/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CA2313180C (en) | 2008-04-01 |
| EP1046044B1 (de) | 2005-12-07 |
| DE69928767T2 (de) | 2006-09-07 |
| AU6056499A (en) | 2000-04-26 |
| US6169489B1 (en) | 2001-01-02 |
| JP2002527027A (ja) | 2002-08-20 |
| WO2000020878A1 (en) | 2000-04-13 |
| DE69928767D1 (de) | 2006-01-12 |
| MXPA00005627A (es) | 2005-08-19 |
| EP1046044A1 (de) | 2000-10-25 |
| CA2313180A1 (en) | 2000-04-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |