DE102011053078A1 - System und Verfahren zum Überwachen des Zustands von elektrischen Maschinen - Google Patents

System und Verfahren zum Überwachen des Zustands von elektrischen Maschinen Download PDF

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Publication number
DE102011053078A1
DE102011053078A1 DE102011053078A DE102011053078A DE102011053078A1 DE 102011053078 A1 DE102011053078 A1 DE 102011053078A1 DE 102011053078 A DE102011053078 A DE 102011053078A DE 102011053078 A DE102011053078 A DE 102011053078A DE 102011053078 A1 DE102011053078 A1 DE 102011053078A1
Authority
DE
Germany
Prior art keywords
sensor element
stator
support member
compression
changes
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Withdrawn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
DE102011053078A
Other languages
German (de)
English (en)
Inventor
Emad Andarawis Andarawis
Ertugrul Berkcan
John Erik Hershey
Brock Matthew Lape
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
Publication of DE102011053078A1 publication Critical patent/DE102011053078A1/de
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/0057—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes measuring forces due to spring-shaped elements
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/12—Measuring force or stress, in general by measuring variations in the magnetic properties of materials resulting from the application of stress
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
    • G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/46—Fastening of windings on the stator or rotor structure
    • H02K3/48—Fastening of windings on the stator or rotor structure in slots
    • H02K3/487—Slot-closing devices

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
DE102011053078A 2010-08-30 2011-08-29 System und Verfahren zum Überwachen des Zustands von elektrischen Maschinen Withdrawn DE102011053078A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/870,865 US8310120B2 (en) 2010-08-30 2010-08-30 System and method for monitoring health of electrical machines
US12/870,865 2010-08-30

Publications (1)

Publication Number Publication Date
DE102011053078A1 true DE102011053078A1 (de) 2012-03-01

Family

ID=44764335

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102011053078A Withdrawn DE102011053078A1 (de) 2010-08-30 2011-08-29 System und Verfahren zum Überwachen des Zustands von elektrischen Maschinen

Country Status (5)

Country Link
US (1) US8310120B2 (https=)
JP (1) JP2012047744A (https=)
KR (1) KR20120021251A (https=)
DE (1) DE102011053078A1 (https=)
GB (1) GB2483339A (https=)

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* Cited by examiner, † Cited by third party
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US9086266B2 (en) 2008-10-21 2015-07-21 General Electric Company Wireless sensors, detection methods, and systems
US8645096B2 (en) * 2011-02-09 2014-02-04 General Electric Company Deflection measuring system and method
US8583391B2 (en) * 2011-04-15 2013-11-12 Hamilton Sundstrand Corporation Monitoring the low cycle fatigue of ruggedized avionics electronics
US8829840B2 (en) 2011-04-29 2014-09-09 General Electric Company Auto-compensating system and method for condition monitoring of electrical machines
US8830448B2 (en) * 2011-12-22 2014-09-09 General Electric Company Remote monitoring of tightness of stator windings
US8959736B2 (en) * 2012-09-27 2015-02-24 General Electric Company System and method for inserting ripple springs
WO2015111034A1 (en) * 2014-01-23 2015-07-30 Noah Amit Apparatus and methods for skin treatment, drug application and cream formulation
FR3025952B1 (fr) * 2014-09-12 2016-10-28 Valeo Equip Electr Moteur Stator permettant une bonne portance de cale tout en optimisant le circuit magnetique et procede d'isolation electrique dudit stator
EP3457536B1 (en) 2017-09-14 2021-07-07 Siemens Gamesa Renewable Energy A/S Covering element for covering a slot between two adjacent tooth tips of an electromagnetic machine
US11502571B2 (en) * 2020-08-11 2022-11-15 Siemens Energy, Inc. Locking wedge system having opposing wedges with interlocking detent
US11742723B2 (en) * 2021-02-16 2023-08-29 Siemens Energy, Inc. Wedge tightness monitoring
CN113955149B (zh) * 2021-11-25 2023-06-16 北京润科通用技术有限公司 一种电机系统的健康诊断方法和装置

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US2383550A (en) * 1942-04-21 1945-08-28 Ncr Co Measuring device
IT8122006U1 (it) * 1980-06-06 1982-12-05 Papst Motoren Kg Motore a corrente continua, privo di collettori e a rotore esterno
JPS57199452A (en) 1981-06-03 1982-12-07 Hitachi Ltd Monitor device for holding force of stator winding
JPS59165942A (ja) 1983-03-10 1984-09-19 Fuji Electric Co Ltd 固定子巻線絶縁の劣化検出方法
US4847527A (en) * 1988-12-09 1989-07-11 Emerson Electric Co. Hall effect assembly for mounting to stators
US5020234A (en) * 1989-09-01 1991-06-04 Westinghouse Electric Corp. Prober for testing generator stator wedge tightness with rotor in place
US5012684A (en) * 1989-11-29 1991-05-07 Westinghouse Electric Corp. Load deflection testing apparatus for generator slot wedges and ripple springs
US5295388A (en) * 1992-01-30 1994-03-22 Westinghouse Electric Corp. Apparatus and method for inpact testing for electric generator stator wedge tightness
JP2862053B2 (ja) * 1993-04-02 1999-02-24 三菱電機株式会社 駆動制御装置付モータ
JP2607396Y2 (ja) * 1993-04-16 2001-07-09 株式会社三協精機製作所 ブラシレスモータ
US5600192A (en) * 1994-07-29 1997-02-04 Sorvall Products, L.P. DC electric motor having a flux concentrating member thereon
US5524474A (en) * 1994-11-08 1996-06-11 Hydro-Quebec Method and apparatus for quantitatively evaluating the stator wedge tightness of an electric alternator
US6409145B1 (en) * 2000-02-28 2002-06-25 Delphi Technologies, Inc. Plunger assembly having a preset spring force pre-load
EP1532042A1 (en) * 2002-06-11 2005-05-25 Akidenki Kabushikigaisya Head lamp of bicycle and head lamp electric circuit
US7117754B2 (en) * 2002-10-28 2006-10-10 The Curators Of The University Of Missouri Torque ripple sensor and mitigation mechanism
US7112909B2 (en) 2004-02-17 2006-09-26 General Electric Company Method and system for measuring wedge tightness
US7098560B2 (en) * 2004-05-27 2006-08-29 Siemens Power Generation, Inc. Flux probe for electric generator
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Also Published As

Publication number Publication date
JP2012047744A (ja) 2012-03-08
US20120049697A1 (en) 2012-03-01
US8310120B2 (en) 2012-11-13
KR20120021251A (ko) 2012-03-08
GB201113818D0 (en) 2011-09-28
GB2483339A (en) 2012-03-07

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Legal Events

Date Code Title Description
R005 Application deemed withdrawn due to failure to request examination