DE58907060D1 - Verfahren und Einrichtung zur Kontrolle von lamellierten Eisenblechpaketen auf Blechschlüsse. - Google Patents
Verfahren und Einrichtung zur Kontrolle von lamellierten Eisenblechpaketen auf Blechschlüsse.Info
- Publication number
- DE58907060D1 DE58907060D1 DE89109130T DE58907060T DE58907060D1 DE 58907060 D1 DE58907060 D1 DE 58907060D1 DE 89109130 T DE89109130 T DE 89109130T DE 58907060 T DE58907060 T DE 58907060T DE 58907060 D1 DE58907060 D1 DE 58907060D1
- Authority
- DE
- Germany
- Prior art keywords
- coils
- interlamination
- laminated iron
- packages
- metal closures
- 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
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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
- G01N27/904—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents with two or more sensors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
- G01N27/9046—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents by analysing electrical signals
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH2043/88A CH676526A5 (de) | 1988-05-30 | 1988-05-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE58907060D1 true DE58907060D1 (de) | 1994-04-07 |
Family
ID=4224607
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE89109130T Expired - Lifetime DE58907060D1 (de) | 1988-05-30 | 1989-05-20 | Verfahren und Einrichtung zur Kontrolle von lamellierten Eisenblechpaketen auf Blechschlüsse. |
Country Status (7)
Country | Link |
---|---|
US (1) | US4996486A (de) |
EP (1) | EP0344558B1 (de) |
JP (1) | JP3119854B2 (de) |
CN (1) | CN1012286B (de) |
AT (1) | ATE102354T1 (de) |
CH (1) | CH676526A5 (de) |
DE (1) | DE58907060D1 (de) |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2060890T3 (es) * | 1990-10-22 | 1994-12-01 | Asea Brown Boveri | Dispositivo para detectar descargas parciales en elementos de arrollamiento de una maquina electrica. |
US5321362A (en) * | 1992-09-15 | 1994-06-14 | Westinghouse Electric Corp. | Digital filtering of EL CID data |
US5365166A (en) * | 1993-02-08 | 1994-11-15 | Westinghouse Electric Corporation | System and method for testing electrical generators |
FR2762157B1 (fr) * | 1997-04-09 | 2003-06-20 | Electricite De France | Procede et dispositif pour examiner l'etat d'isolation des toles d'un empilement dans une machine electrique |
US5990688A (en) * | 1998-01-09 | 1999-11-23 | Hydro-Quebec | Apparatus and method for evaluation a condition of a magnetic circuit of an electric machine |
GB9901101D0 (en) * | 1999-01-19 | 1999-03-10 | British Nuclear Fuels Plc | Proximity sensor |
US6469504B1 (en) * | 2000-07-28 | 2002-10-22 | General Electric Company | Method and system for detecting core faults |
US6489781B1 (en) | 2001-06-07 | 2002-12-03 | General Electric Company | Method and system for detecting core faults |
WO2003036287A1 (de) * | 2001-09-24 | 2003-05-01 | Alstom Technology Ltd | Verfahren und einrichtung zur kontrolle von lamellierten eisenblechpaketen von elektrischen maschinen auf blechschlüsse |
US6815957B2 (en) | 2001-09-24 | 2004-11-09 | Alstom (Switzerland) Ltd | Method and device for inspecting laminated iron cores of electrical machines for interlamination shorts |
US6756788B2 (en) * | 2001-10-16 | 2004-06-29 | General Electric Company | Laminated core contact detection method and system |
GB2382878B (en) * | 2001-12-04 | 2005-09-07 | Adwel Internat Ltd | A method and apparatus for testing laminated cores of electrical machines |
US6794884B2 (en) | 2002-05-10 | 2004-09-21 | General Electric Company | Method and system for evaluating core stack pressure |
US6791351B2 (en) * | 2002-06-28 | 2004-09-14 | Siemens Westinghouse Power Corporation | Electromagnetic stator insulation flaw detector |
US6922060B1 (en) * | 2002-07-23 | 2005-07-26 | Alstom Technology Ltd. | Method for detecting partial conductor short circuits, and device for performing and using the method |
US6847224B2 (en) * | 2002-10-15 | 2005-01-25 | General Electric Company | Test probe |
US7208971B2 (en) * | 2002-10-15 | 2007-04-24 | General Electric Company | Manual probe carriage system and method of using the same |
US6927598B2 (en) * | 2002-10-15 | 2005-08-09 | General Electric Company | Test probe for electrical devices having low or no wedge depression |
US6876222B2 (en) | 2002-11-12 | 2005-04-05 | Siemens Westinghouse Power Corporation | Automated stator insulation flaw inspection tool and method of operation |
US6873152B2 (en) * | 2002-12-30 | 2005-03-29 | General Electric Company | Differential sensor apparatus and method for laminated core fault detection |
AU2003294660A1 (en) * | 2003-03-12 | 2004-09-30 | Siemens Aktiengesellschaft | Laminated core testing device |
EP1521350B1 (de) * | 2003-10-03 | 2007-07-25 | General Electric Company | Sonde mit einstellbaren Teilen |
US20050218906A1 (en) * | 2004-03-31 | 2005-10-06 | Younsi Abdelkrim K | System and method for monitoring of insulation condition |
US7042229B2 (en) * | 2004-03-31 | 2006-05-09 | General Electric Company | System and method for on line monitoring of insulation condition for DC machines |
US7466126B2 (en) * | 2004-07-12 | 2008-12-16 | General Electric Company | Universal sensor probe with adjustable members configured to fit between a plurality of slot openings of varying widths |
WO2006048470A1 (es) * | 2004-10-26 | 2006-05-11 | Tsk Electronica Y Electricidad, S.A. | Motor asincrono de jaula de ardilla y metodo de deteccion de averias para dicho motor |
EP2215490B1 (de) * | 2007-12-07 | 2017-01-11 | General Electric Technology GmbH | Verfahren zur detektion von interlaminaren blechschlüssen im stator-blechpaket von elektromaschinen |
CH699666A1 (de) * | 2008-10-08 | 2010-04-15 | Alstom Technology Ltd | Verfahren und Vorrichtung zur Detektion von Kurzschlüssen im Stator-Blechpaket von Elektromaschinen. |
US8508220B2 (en) * | 2011-02-11 | 2013-08-13 | Siemens Energy, Inc. | Fault detection for laminated core |
US8564284B2 (en) * | 2011-02-11 | 2013-10-22 | Siemens Energy, Inc. | Fault detection for laminated core |
CN102355090B (zh) * | 2011-10-20 | 2013-02-27 | 清华大学 | 同时反映发电机定子和转子内部短路的探测线圈布置方法 |
EP2602632A1 (de) * | 2011-12-06 | 2013-06-12 | Alstom Technology Ltd. | Verfahren zum Feststellen eines Kurzschlusses in einem Statorkern |
US9658192B2 (en) | 2012-01-23 | 2017-05-23 | Siemens Corporation | Insulation defect detection of high voltage generator stator core |
US8829769B1 (en) | 2012-11-09 | 2014-09-09 | Dantam K. Rao | Coated keybar to protect electric machines |
EP2746795B1 (de) * | 2012-12-20 | 2015-10-07 | Alstom Technology Ltd | Vorrichtung und Verfahren zum Messen des Magnetfeldes im Luftspalt einer Elektromaschine |
CN103293430B (zh) * | 2013-05-08 | 2015-06-24 | 南车戚墅堰机车有限公司 | 层叠铁芯式主变压器的铁芯间短路故障检测方法 |
EP2816365A1 (de) * | 2013-06-21 | 2014-12-24 | Siemens Aktiengesellschaft | Verfahren zum Überprüfen eines Blechpakets eines Generators |
EP3106890A1 (de) | 2015-06-19 | 2016-12-21 | General Electric Technology GmbH | Verfahren zur messung eines statorkerns einer elektrischen maschine und messvorrichtung |
CN108446399B (zh) * | 2018-03-29 | 2021-07-30 | 重庆大学 | 一种结构化海量实时数据的动态存储优化方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1200146A (en) * | 1967-08-17 | 1970-07-29 | Friedrich M O Foerster | Measuring magnetic fields |
AU3837372A (en) * | 1971-02-01 | 1973-08-02 | Automation Industries, Inc | Eddy current nondestructive testing system |
EP0033802B1 (de) * | 1979-12-07 | 1984-08-08 | Thorburn Technics (International) Limited | Gerät und Sonde zur Wirbelstromprüfung |
US4573012A (en) * | 1983-02-14 | 1986-02-25 | General Electric Company | Method and apparatus for measuring core loss of a laminated ferromagnetic structure |
US4649343A (en) * | 1983-12-27 | 1987-03-10 | The Babcock & Wilcox Company | Electromagnetic flux leakage inspection system for ferromagnetic tubes |
US4631533A (en) * | 1984-06-15 | 1986-12-23 | Westinghouse Electric Corp. | Display of eddy current detector data |
FR2570501B1 (fr) * | 1984-09-20 | 1987-12-18 | Siderurgie Fse Inst Rech | Procede de detection de defauts de surface par courants de foucault et dispositif mettant en oeuvre ce procede |
US4823082A (en) * | 1986-02-18 | 1989-04-18 | Kabushiki Kaisha Kobe Seiko Sho | Signal processing method for an electromagnetic induction test |
US4803563A (en) * | 1987-09-02 | 1989-02-07 | Westinghouse Electric Corp. | Rotor-in-stator examination magnetic carriage and positioning apparatus |
-
1988
- 1988-05-30 CH CH2043/88A patent/CH676526A5/de not_active IP Right Cessation
-
1989
- 1989-05-20 EP EP89109130A patent/EP0344558B1/de not_active Expired - Lifetime
- 1989-05-20 AT AT89109130T patent/ATE102354T1/de not_active IP Right Cessation
- 1989-05-20 DE DE89109130T patent/DE58907060D1/de not_active Expired - Lifetime
- 1989-05-30 US US07/358,638 patent/US4996486A/en not_active Expired - Lifetime
- 1989-05-30 JP JP01134830A patent/JP3119854B2/ja not_active Expired - Lifetime
- 1989-05-30 CN CN89103797A patent/CN1012286B/zh not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ATE102354T1 (de) | 1994-03-15 |
JPH0225766A (ja) | 1990-01-29 |
EP0344558A3 (de) | 1992-04-15 |
EP0344558B1 (de) | 1994-03-02 |
EP0344558A2 (de) | 1989-12-06 |
CN1012286B (zh) | 1991-04-03 |
CH676526A5 (de) | 1991-01-31 |
CN1038169A (zh) | 1989-12-20 |
JP3119854B2 (ja) | 2000-12-25 |
US4996486A (en) | 1991-02-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: ALSTOM, PARIS, FR |
|
8328 | Change in the person/name/address of the agent |
Free format text: ROESLER, U., DIPL.-PHYS.UNIV., PAT.-ANW., 81241 MUENCHEN |