DE602004008132T2 - On-Line Erfassung von kurzgeschlossenen Generatorfeldwicklungen - Google Patents
On-Line Erfassung von kurzgeschlossenen Generatorfeldwicklungen Download PDFInfo
- Publication number
- DE602004008132T2 DE602004008132T2 DE602004008132T DE602004008132T DE602004008132T2 DE 602004008132 T2 DE602004008132 T2 DE 602004008132T2 DE 602004008132 T DE602004008132 T DE 602004008132T DE 602004008132 T DE602004008132 T DE 602004008132T DE 602004008132 T2 DE602004008132 T2 DE 602004008132T2
- Authority
- DE
- Germany
- Prior art keywords
- flux density
- flux
- rotor
- change
- data
- 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 - Lifetime
Links
- 238000004804 winding Methods 0.000 title claims description 55
- 238000001514 detection method Methods 0.000 title description 10
- 230000004907 flux Effects 0.000 claims description 122
- 239000000523 sample Substances 0.000 claims description 55
- 230000008859 change Effects 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 15
- 230000001360 synchronised effect Effects 0.000 claims description 12
- 230000009467 reduction Effects 0.000 claims description 5
- 238000012360 testing method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
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
- 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
- G01R31/34—Testing dynamo-electric machines
- G01R31/343—Testing dynamo-electric machines in operation
-
- 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)
- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
- Control Of Eletrric Generators (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US401600 | 2003-03-31 | ||
| US10/401,600 US6911838B2 (en) | 2003-03-31 | 2003-03-31 | Online detection of shorted turns in a generator field winding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE602004008132D1 DE602004008132D1 (de) | 2007-09-27 |
| DE602004008132T2 true DE602004008132T2 (de) | 2008-05-08 |
Family
ID=32850550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE602004008132T Expired - Lifetime DE602004008132T2 (de) | 2003-03-31 | 2004-03-30 | On-Line Erfassung von kurzgeschlossenen Generatorfeldwicklungen |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6911838B2 (https=) |
| EP (1) | EP1464974B1 (https=) |
| JP (1) | JP4371262B2 (https=) |
| DE (1) | DE602004008132T2 (https=) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3577476A1 (de) * | 2017-02-01 | 2019-12-11 | Wobben Properties GmbH | Verfahren zur fehlerbestimmung an einem generator und generatorprüfsystem |
| US12388330B2 (en) | 2022-02-11 | 2025-08-12 | Siemens Energy, Inc. | Turbomachine operation monitoring system and method |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7259583B2 (en) * | 2004-07-23 | 2007-08-21 | General Electric Company | Methods and apparatus for testing power generators |
| US7282923B2 (en) * | 2005-09-20 | 2007-10-16 | General Electric Company | Systems and methods for triggering a partial discharge acquisition |
| US7411404B2 (en) * | 2006-12-08 | 2008-08-12 | General Electric Company | Apparatus, system, and method for detecting an electrical short condition in a dynamoelectric machine |
| US8019561B1 (en) | 2007-09-03 | 2011-09-13 | Veric Systems Llc | Electrical short locator method |
| US20090067101A1 (en) * | 2007-09-06 | 2009-03-12 | Siemens Power Generation, Inc. | Method and System for Limiting a Current in an Alternating Current Generator |
| US20090219030A1 (en) * | 2008-02-29 | 2009-09-03 | General Electric Company | Methods and Systems for Detecting Rotor Field Ground Faults In Rotating Machinery |
| ZA200903757B (en) * | 2008-07-29 | 2010-04-28 | Eskom Holdings Pty Ltd | Stray-flux detection and analysis system |
| TWI391685B (zh) * | 2009-10-16 | 2013-04-01 | Ind Tech Res Inst | 繞線製品檢測機台及其層間短路之檢測方法 |
| US8781765B2 (en) * | 2011-04-11 | 2014-07-15 | General Electric Company | Online monitoring system and method to identify shorted turns in a field winding of a rotor |
| CN102565703A (zh) * | 2011-06-17 | 2012-07-11 | 江苏省电力公司 | 直驱永磁同步风电机组特性参数在线辨识获取的方法 |
| US8903664B2 (en) | 2011-06-22 | 2014-12-02 | General Electric Company | System and method for use in monitoring synchronous machines |
| CN102636751A (zh) * | 2012-04-26 | 2012-08-15 | 中国人民解放军海军工程大学 | 基于励磁机励磁电流的交流无刷发电机故障检测方法 |
| EP2746795B1 (en) * | 2012-12-20 | 2015-10-07 | Alstom Technology Ltd | Device and method for measuring the magnetic field in the air-gap of an electric machine |
| US8978239B2 (en) | 2013-01-09 | 2015-03-17 | General Electric Company | Field coil winding assembly |
| FR3003102B1 (fr) * | 2013-03-05 | 2015-04-17 | Electricite De France | Procede de detection d'un defaut d'excentricite d'un rotor d'une machine electrique tournante |
| CO7050216A1 (es) | 2013-03-05 | 2014-09-10 | Univ Nac De Colombia | Método y sistema para la detección y diagnóstico de fallas de máquinas eléctricas en operación |
| CN103792463B (zh) * | 2014-02-25 | 2017-02-01 | 华北电力大学（保定） | 基于虚功率原理的汽轮发电机转子绕组短路故障诊断方法 |
| JP7021130B2 (ja) * | 2019-01-16 | 2022-02-16 | ファナック株式会社 | モータ内の巻線の層間短絡を検出する短絡検出装置、モータ制御装置及び数値制御システム |
| WO2020183610A1 (ja) * | 2019-03-12 | 2020-09-17 | 三菱電機株式会社 | 短絡検知装置及び短絡検知方法 |
| DE112019007200T5 (de) * | 2019-04-12 | 2021-12-23 | Mitsubishi Electric Corporation | Kurzschluss-Detektionseinrichtung und Kurzschluss-Detektionsverfahren |
| CN110297183B (zh) * | 2019-07-17 | 2021-05-11 | 国网江苏省电力有限公司电力科学研究院 | 一种同步调相机转子匝间短路故障诊断方法、装置及存储介质 |
| CN113776421B (zh) * | 2021-08-26 | 2024-05-10 | 北京四方继保工程技术有限公司 | 一种变压器绕组变形诊断方法及系统 |
| CN114884280B (zh) * | 2022-04-28 | 2023-07-04 | 东方电气集团东方电机有限公司 | 一种转子线圈测温装置 |
| CN115407195B (zh) * | 2022-07-19 | 2025-10-31 | 阳江核电有限公司 | 发电机的转子匝间短路故障定位方法、系统及存储介质 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3506914A (en) | 1968-07-01 | 1970-04-14 | Gen Electric | Method and apparatus for detecting rotor flux variations in the air gap of a dynamoelectric machine |
| US4136312A (en) * | 1976-12-30 | 1979-01-23 | Westinghouse Electric Corp. | Method and apparatus for detection of rotor faults in dynamoelectric machines |
| JPS5683223A (en) * | 1979-12-12 | 1981-07-07 | Hitachi Ltd | Rotary electric machine rotor winding malfunction detector |
| US4506218A (en) * | 1981-01-12 | 1985-03-19 | Rotron Incorporated | Condition sensing arrangement for ac machines |
| US4667148A (en) | 1985-06-26 | 1987-05-19 | General Electric Company | Generator air-gap flux probe for detecting shorted rotor turns |
| JPH0687642B2 (ja) * | 1986-12-15 | 1994-11-02 | 株式会社日立製作所 | 回転電機の回転子巻線異常診断装置 |
| US5252915A (en) * | 1992-01-23 | 1993-10-12 | Ontario Hydro | Method and apparatus for detecting stator faults in rotary dynamoelectric machines |
| ES2120999T3 (es) * | 1992-12-30 | 1998-11-16 | Ansaldo Energia Spa | Detector de cortocircuitos en el devanado de un rotor. |
-
2003
- 2003-03-31 US US10/401,600 patent/US6911838B2/en not_active Expired - Fee Related
-
2004
- 2004-03-30 DE DE602004008132T patent/DE602004008132T2/de not_active Expired - Lifetime
- 2004-03-30 EP EP04251896A patent/EP1464974B1/en not_active Expired - Lifetime
- 2004-03-31 JP JP2004103589A patent/JP4371262B2/ja not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3577476A1 (de) * | 2017-02-01 | 2019-12-11 | Wobben Properties GmbH | Verfahren zur fehlerbestimmung an einem generator und generatorprüfsystem |
| US12388330B2 (en) | 2022-02-11 | 2025-08-12 | Siemens Energy, Inc. | Turbomachine operation monitoring system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| US20040189279A1 (en) | 2004-09-30 |
| EP1464974A1 (en) | 2004-10-06 |
| DE602004008132D1 (de) | 2007-09-27 |
| JP2004304999A (ja) | 2004-10-28 |
| US6911838B2 (en) | 2005-06-28 |
| EP1464974B1 (en) | 2007-08-15 |
| JP4371262B2 (ja) | 2009-11-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition |