ZA200903757B - Stray-flux detection and analysis system - Google Patents
Stray-flux detection and analysis system Download PDFInfo
- Publication number
- ZA200903757B ZA200903757B ZA200903757A ZA200903757A ZA200903757B ZA 200903757 B ZA200903757 B ZA 200903757B ZA 200903757 A ZA200903757 A ZA 200903757A ZA 200903757 A ZA200903757 A ZA 200903757A ZA 200903757 B ZA200903757 B ZA 200903757B
- Authority
- ZA
- South Africa
- Prior art keywords
- stray flux
- data
- flux
- zero
- rotor
- Prior art date
Links
- 238000004458 analytical method Methods 0.000 title claims description 8
- 238000001514 detection method Methods 0.000 title description 3
- 230000004907 flux Effects 0.000 claims description 260
- 238000000034 method Methods 0.000 claims description 65
- 238000007405 data analysis Methods 0.000 claims description 42
- 238000013481 data capture Methods 0.000 claims description 22
- 230000001360 synchronised effect Effects 0.000 claims description 20
- 239000000523 sample Substances 0.000 claims description 16
- 238000012545 processing Methods 0.000 claims description 10
- 230000008859 change Effects 0.000 claims description 6
- 230000035945 sensitivity Effects 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 description 36
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 229940056345 tums Drugs 0.000 description 6
- 238000012956 testing procedure Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 101150042678 VAV1 gene Proteins 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/10—Control effected upon generator excitation circuit to reduce harmful effects of overloads or transients, e.g. sudden application of load, sudden removal of load, sudden change of load
- H02P9/105—Control effected upon generator excitation circuit to reduce harmful effects of overloads or transients, e.g. sudden application of load, sudden removal of load, sudden change of load for increasing the stability
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
- H02P23/0004—Control strategies in general, e.g. linear type, e.g. P, PI, PID, using robust control
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
- Control Of Ac Motors In General (AREA)
- Coating With Molten Metal (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ZA200903757A ZA200903757B (en) | 2008-07-29 | 2009-05-29 | Stray-flux detection and analysis system |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ZA200806603 | 2008-07-29 | ||
| ZA200903757A ZA200903757B (en) | 2008-07-29 | 2009-05-29 | Stray-flux detection and analysis system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200903757B true ZA200903757B (en) | 2010-04-28 |
Family
ID=41429442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200903757A ZA200903757B (en) | 2008-07-29 | 2009-05-29 | Stray-flux detection and analysis system |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US8326556B2 (de) |
| EP (1) | EP2149980B1 (de) |
| JP (1) | JP5670033B2 (de) |
| AU (1) | AU2009202182B2 (de) |
| CA (1) | CA2668132C (de) |
| DK (1) | DK2149980T3 (de) |
| ES (1) | ES2887188T3 (de) |
| MX (1) | MX2009007358A (de) |
| ZA (1) | ZA200903757B (de) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110025830A1 (en) | 2009-07-31 | 2011-02-03 | 3Dmedia Corporation | Methods, systems, and computer-readable storage media for generating stereoscopic content via depth map creation |
| US9380292B2 (en) | 2009-07-31 | 2016-06-28 | 3Dmedia Corporation | Methods, systems, and computer-readable storage media for generating three-dimensional (3D) images of a scene |
| US9344701B2 (en) | 2010-07-23 | 2016-05-17 | 3Dmedia Corporation | Methods, systems, and computer-readable storage media for identifying a rough depth map in a scene and for determining a stereo-base distance for three-dimensional (3D) content creation |
| WO2012061549A2 (en) | 2010-11-03 | 2012-05-10 | 3Dmedia Corporation | Methods, systems, and computer program products for creating three-dimensional video sequences |
| US10200671B2 (en) | 2010-12-27 | 2019-02-05 | 3Dmedia Corporation | Primary and auxiliary image capture devices for image processing and related methods |
| US8274552B2 (en) | 2010-12-27 | 2012-09-25 | 3Dmedia Corporation | Primary and auxiliary image capture devices for image processing and related methods |
| 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 |
| US8903664B2 (en) | 2011-06-22 | 2014-12-02 | General Electric Company | System and method for use in monitoring synchronous machines |
| CN113557436B (zh) * | 2019-03-12 | 2023-11-28 | 三菱电机株式会社 | 短路探测装置以及短路探测方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS585682A (ja) * | 1981-07-01 | 1983-01-13 | Hitachi Ltd | 回転電機の回転子巻線異常検出装置 |
| JPS60167654A (ja) * | 1984-02-09 | 1985-08-31 | Fuji Electric Co Ltd | 界磁巻線のレアシヨ−ト検出装置 |
| JP2839528B2 (ja) * | 1989-02-16 | 1998-12-16 | 株式会社東芝 | 界磁巻線層間短絡位置検出装置 |
| JPH1032962A (ja) * | 1996-07-16 | 1998-02-03 | Meidensha Corp | 回転界磁形回転電機の界磁巻線の異常検出方法および異常検出装置 |
| US6064172A (en) * | 1997-02-11 | 2000-05-16 | Power Superconductor Applications Corporation | Method and apparatus for detection, classification and reduction of internal electrical faults in alternating current propulsion machinery using synchronous detection scheme |
| US6798210B2 (en) * | 2002-11-07 | 2004-09-28 | General Electric Company | Speed sensitive field ground detection mode for a generator field winding |
| JP2004222423A (ja) * | 2003-01-15 | 2004-08-05 | Toyota Motor Corp | 回転機の回転位置検出装置、回転機制御装置、および回転位置の検出処理をコンピュータに実行させるためのプログラムを記録したコンピュータ読取可能な記録媒体 |
| US6911838B2 (en) * | 2003-03-31 | 2005-06-28 | General Electric Company | Online detection of shorted turns in a generator field winding |
-
2009
- 2009-05-29 ZA ZA200903757A patent/ZA200903757B/en unknown
- 2009-06-02 AU AU2009202182A patent/AU2009202182B2/en active Active
- 2009-06-03 CA CA2668132A patent/CA2668132C/en active Active
- 2009-07-08 MX MX2009007358A patent/MX2009007358A/es active IP Right Grant
- 2009-07-27 EP EP09166497.9A patent/EP2149980B1/de active Active
- 2009-07-27 DK DK09166497.9T patent/DK2149980T3/da active
- 2009-07-27 ES ES09166497T patent/ES2887188T3/es active Active
- 2009-07-28 US US12/510,655 patent/US8326556B2/en active Active
- 2009-07-29 JP JP2009176487A patent/JP5670033B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| AU2009202182B2 (en) | 2014-07-10 |
| CA2668132C (en) | 2018-06-12 |
| JP5670033B2 (ja) | 2015-02-18 |
| EP2149980A2 (de) | 2010-02-03 |
| DK2149980T3 (da) | 2021-07-26 |
| MX2009007358A (es) | 2010-03-22 |
| US20100030502A1 (en) | 2010-02-04 |
| CA2668132A1 (en) | 2010-01-29 |
| AU2009202182A1 (en) | 2010-02-18 |
| EP2149980A3 (de) | 2017-07-26 |
| US8326556B2 (en) | 2012-12-04 |
| ES2887188T3 (es) | 2021-12-22 |
| EP2149980B1 (de) | 2021-06-23 |
| JP2010091551A (ja) | 2010-04-22 |
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