JP2012047744A - 電気機械の健全性を監視するためのシステム及び方法 - Google Patents
電気機械の健全性を監視するためのシステム及び方法 Download PDFInfo
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- JP2012047744A JP2012047744A JP2011185512A JP2011185512A JP2012047744A JP 2012047744 A JP2012047744 A JP 2012047744A JP 2011185512 A JP2011185512 A JP 2011185512A JP 2011185512 A JP2011185512 A JP 2011185512A JP 2012047744 A JP2012047744 A JP 2012047744A
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- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000012544 monitoring process Methods 0.000 title claims abstract description 22
- 230000036541 health Effects 0.000 title claims abstract description 17
- 239000000758 substrate Substances 0.000 claims abstract description 33
- 238000005259 measurement Methods 0.000 claims description 46
- 230000008859 change Effects 0.000 claims description 25
- 238000004804 winding Methods 0.000 claims description 22
- 239000002184 metal Substances 0.000 claims description 11
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 230000035699 permeability Effects 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 229910052755 nonmetal Inorganic materials 0.000 claims 1
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 4
- 230000000875 corresponding effect Effects 0.000 description 4
- 230000036961 partial effect Effects 0.000 description 4
- -1 resistors Substances 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000002847 impedance measurement Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000002650 laminated plastic Substances 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- 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
Landscapes
- 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)
Abstract
【解決手段】本システムは、固定子コア内に配置された少なくとも1つの基板要素32に埋設された少なくとも1つのセンサ要素34を含む。更に、少なくとも1つのセンサ要素34に接続された、基板要素32に作用する力又は基板要素32の加圧力の変化によるセンサ要素34の電磁特性の変化に基づいて健全性を監視するように構成された測定サブシステム36を含む。
【選択図】図2
Description
Claims (10)
- 電気機械の健全性を監視するためのシステムであって、
固定子コア(10)内に配置された少なくとも1つの基板要素に埋設又は設置される少なくとも1つのセンサ要素(34、48)と、
前記少なくとも1つのセンサ要素(34、48)に接続され、前記基板要素に作用する力又は前記基板要素の加圧力の変化による前記センサ要素(34、48)の電磁特性の変化に基づいて前記健全性を監視するように構成された測定サブシステム(36、49)と、を含むシステム。 - 前記基板要素は、平板(15)とばねとリップルばね(20)と力−変位変換器とを含み、
前記基板要素は、前記固定子コア(10)の固定子巻線(16)どうしの間に配置され、
前記基板要素は、金属又は非金属の平板(15)から成る、請求項1に記載のシステム。 - 前記基板要素に埋設又は配設された前記センサ要素(34、48)の前記電磁特性は、前記電気機械の運転時又は運転停止時に前記基板要素の加圧力又は前記基板要素に作用する時間変化する力に伴って変動する、請求項1に記載のシステム。
- 前記電磁特性は、抵抗、歪み、コンダクタンス、透磁率、及び誘磁率を含む、請求項1に記載のシステム。
- 電気機械の固定子楔の締め付けを監視するためのシステムであって、
固定子コア(10)の前記固定子楔(21)に近接配置される少なくとも1つの基板要素に埋設又は配設された少なくとも1つのセンサ要素(34、48)と、
前記基板要素の加圧の状態を示す少なくとも1つのスイッチ(66)と、
前記少なくとも1つのセンサ要素(34、48)に接続され、前記基板要素の加圧力の変化による前記センサ要素(34、48)の電磁特性の変化に基づいて前記固定子楔の締め付けを監視するように構成された測定サブシステム(36)と、を含むシステム。 - 前記基板要素に埋設された前記少なくとも1つのセンサ要素(34、48)に直列に接続された、少なくとも1つのスイッチ(66)のアセンブリを含む、請求項5に記載のシステム。
- 前記システムのシングルポート電気インターフェース(64)にわたって、複数の前記アセンブリを並列に配置したものを含む、請求項6に記載のシステム。
- 電気等価回路(200)内で、前記基板要素の前記スイッチ(66、260)及び前記センサ要素(34、48)に直列に接続されたダイオード(210)のアセンブリを含む、請求項5に記載のシステム。
- 前記固定子コア内で複数の固定子楔に近接配置された複数の基板要素を含むシステムであって、
前記基板要素は、前記シングルポート電気インターフェース(64)を介してモジュールに接続され、該モジュールは、前記シングルポート電気インターフェース(64)を介して前記基板要素において電気的測定を順次又は同時に行うように構成された装置である、請求項5に記載のシステム。 - 電気機械における固定子楔の締め付けを監視する方法であって、
固定子コア内に配置された少なくとも1つの基板要素に埋設又は配設された、少なくとも1つのセンサ要素(34、48)を設けるステップと、
前記基板要素の加圧力の変化に対応する前記センサ要素の電磁特性の変化に基づいて信号を生成するステップと、
前記信号を解析した上で加圧範囲を監視及び推定することにより、前記固定子楔の締め付けを判定するステップと、を含む方法。
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 (2)
Publication Number | Publication Date |
---|---|
JP2012047744A true JP2012047744A (ja) | 2012-03-08 |
JP2012047744A5 JP2012047744A5 (ja) | 2014-10-09 |
Family
ID=44764335
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011185512A Pending JP2012047744A (ja) | 2010-08-30 | 2011-08-29 | 電気機械の健全性を監視するためのシステム及び方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8310120B2 (ja) |
JP (1) | JP2012047744A (ja) |
KR (1) | KR20120021251A (ja) |
DE (1) | DE102011053078A1 (ja) |
GB (1) | GB2483339A (ja) |
Families Citing this family (12)
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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 |
Citations (1)
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JPS57199452A (en) * | 1981-06-03 | 1982-12-07 | Hitachi Ltd | Monitor device for holding force of stator winding |
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-
2010
- 2010-08-30 US US12/870,865 patent/US8310120B2/en not_active Expired - Fee Related
-
2011
- 2011-08-11 GB GB1113818.7A patent/GB2483339A/en not_active Withdrawn
- 2011-08-29 DE DE102011053078A patent/DE102011053078A1/de not_active Withdrawn
- 2011-08-29 JP JP2011185512A patent/JP2012047744A/ja active Pending
- 2011-08-30 KR KR1020110086903A patent/KR20120021251A/ko not_active Application Discontinuation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57199452A (en) * | 1981-06-03 | 1982-12-07 | Hitachi Ltd | Monitor device for holding force of stator winding |
Also Published As
Publication number | Publication date |
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DE102011053078A1 (de) | 2012-03-01 |
US8310120B2 (en) | 2012-11-13 |
GB201113818D0 (en) | 2011-09-28 |
US20120049697A1 (en) | 2012-03-01 |
KR20120021251A (ko) | 2012-03-08 |
GB2483339A (en) | 2012-03-07 |
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