JP2009247203A5 - - Google Patents

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Publication number
JP2009247203A5
JP2009247203A5 JP2009077902A JP2009077902A JP2009247203A5 JP 2009247203 A5 JP2009247203 A5 JP 2009247203A5 JP 2009077902 A JP2009077902 A JP 2009077902A JP 2009077902 A JP2009077902 A JP 2009077902A JP 2009247203 A5 JP2009247203 A5 JP 2009247203A5
Authority
JP
Japan
Prior art keywords
magnetic field
value
electric machine
values
composite value
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.)
Withdrawn
Application number
JP2009077902A
Other languages
English (en)
Japanese (ja)
Other versions
JP2009247203A (ja
Filing date
Publication date
Priority claimed from US12/058,856 external-priority patent/US7880473B2/en
Application filed filed Critical
Publication of JP2009247203A publication Critical patent/JP2009247203A/ja
Publication of JP2009247203A5 publication Critical patent/JP2009247203A5/ja
Withdrawn legal-status Critical Current

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JP2009077902A 2008-03-31 2009-03-27 外部線束密度を測定することによる電気機械の非侵襲的監視及び診断 Withdrawn JP2009247203A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/058,856 US7880473B2 (en) 2008-03-31 2008-03-31 Non-invasive monitoring and diagnosis of electric machines by measuring external flux density

Publications (2)

Publication Number Publication Date
JP2009247203A JP2009247203A (ja) 2009-10-22
JP2009247203A5 true JP2009247203A5 (enExample) 2013-05-02

Family

ID=40640150

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009077902A Withdrawn JP2009247203A (ja) 2008-03-31 2009-03-27 外部線束密度を測定することによる電気機械の非侵襲的監視及び診断

Country Status (4)

Country Link
US (1) US7880473B2 (enExample)
JP (1) JP2009247203A (enExample)
DE (1) DE102009003678A1 (enExample)
GB (1) GB2458780B (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012140455A2 (en) * 2011-04-11 2012-10-18 University Of Zagreb Generator-fault-tolerant control for a variable-speed variable-pitch wind turbine
US9845012B2 (en) * 2011-07-06 2017-12-19 General Electric Company System and method for predicting mechanical failure of a motor
WO2015101422A1 (en) 2013-12-30 2015-07-09 Abb Technology Ltd. System for condition monitoring of electric machine, mobile phone and method thereof
US9859831B2 (en) 2014-12-18 2018-01-02 Caterpillar Inc. Control system using flux feedback
BR102015011438B1 (pt) * 2015-05-19 2020-08-18 Universidade Federal De Santa Catarina Sistema e método para identificar características de uma máquina elétrica
CN106706028B (zh) * 2015-11-13 2021-03-02 Abb技术有限公司 用于检测电机状态的方法和系统
DE102017101944A1 (de) * 2017-02-01 2018-08-02 Wobben Properties Gmbh Verfahren zur Fehlerbestimmung an einem Generator und Generatorprüfsystem
US10514428B2 (en) 2017-07-13 2019-12-24 Itt Manufacturing Enterprises Llc Technique to detect motor leakage flux anomalies
US11016468B1 (en) 2018-06-12 2021-05-25 Ricky Dale Barker Monitoring system for use in industrial operations
JP7196297B2 (ja) * 2019-06-03 2022-12-26 株式会社トーエネック 巻線短絡診断装置および巻線短絡診断方法
WO2021025612A1 (en) * 2019-08-05 2021-02-11 Sembcorp Industries Ltd A method and a system of detecting winding fault under online operation of an electrical machine

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MY107650A (en) 1990-10-12 1996-05-30 Exxon Res & Engineering Company Method of estimating property and / or composition data of a test sample
US5252915A (en) * 1992-01-23 1993-10-12 Ontario Hydro Method and apparatus for detecting stator faults in rotary dynamoelectric machines
JPH07311233A (ja) 1994-05-18 1995-11-28 Tokin Corp 電磁波測定記録装置、及び電磁波測定記録装置を用いた電気機器材の動作診断システム
US6138078A (en) 1996-08-22 2000-10-24 Csi Technology, Inc. Machine monitor with tethered sensors
RU2117957C1 (ru) 1996-08-28 1998-08-20 Войсковая часть 20914 Способ диагностирования электрооборудования
US6262550B1 (en) 1999-12-17 2001-07-17 General Electric Company Electrical motor monitoring system and method
GB0319553D0 (en) * 2003-08-20 2003-09-24 Rolls Royce Plc Condition monitoring
US20090219030A1 (en) * 2008-02-29 2009-09-03 General Electric Company Methods and Systems for Detecting Rotor Field Ground Faults In Rotating Machinery

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