JP6431656B2 - 電気システムの調子をモニタするためのシステムおよび方法 - Google Patents
電気システムの調子をモニタするためのシステムおよび方法 Download PDFInfo
- Publication number
- JP6431656B2 JP6431656B2 JP2012186123A JP2012186123A JP6431656B2 JP 6431656 B2 JP6431656 B2 JP 6431656B2 JP 2012186123 A JP2012186123 A JP 2012186123A JP 2012186123 A JP2012186123 A JP 2012186123A JP 6431656 B2 JP6431656 B2 JP 6431656B2
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- JP
- Japan
- Prior art keywords
- circuit
- signal
- generator
- collector
- exciter
- 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.)
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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
- G01R31/343—Testing dynamo-electric machines in operation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
- Testing Relating To Insulation (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/222,975 US9075115B2 (en) | 2011-08-31 | 2011-08-31 | Systems and methods for monitoring the health of an electrical system |
| US13/222,975 | 2011-08-31 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2013054031A JP2013054031A (ja) | 2013-03-21 |
| JP2013054031A5 JP2013054031A5 (enExample) | 2015-10-01 |
| JP6431656B2 true JP6431656B2 (ja) | 2018-11-28 |
Family
ID=47142903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2012186123A Active JP6431656B2 (ja) | 2011-08-31 | 2012-08-27 | 電気システムの調子をモニタするためのシステムおよび方法 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US9075115B2 (enExample) |
| EP (1) | EP2579057B1 (enExample) |
| JP (1) | JP6431656B2 (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8779928B2 (en) * | 2012-05-03 | 2014-07-15 | General Electric Company | Systems and methods to detect generator collector flashover |
| JP5935850B2 (ja) * | 2014-09-19 | 2016-06-15 | 日新電機株式会社 | 部分放電診断装置 |
| US9810730B2 (en) | 2014-10-22 | 2017-11-07 | General Electric Company | System and method for electrical short detection |
| CN108490238B (zh) * | 2018-03-09 | 2020-09-22 | 中广核核电运营有限公司 | 汽轮发电机轴电流报警数据处理装置及方法 |
| EP3839531A1 (de) * | 2019-12-16 | 2021-06-23 | Siemens Aktiengesellschaft | Vorrichtung zur erfassung eines hochfrequenten ereignissignals in einer elektrischen rotierenden maschine |
| US12087528B2 (en) | 2021-02-01 | 2024-09-10 | Ge Infrastructure Technology Llc | Enhanced switchgear monitoring and diagnostics in a protection relay |
| JP7500516B2 (ja) * | 2021-09-06 | 2024-06-17 | 株式会社東芝 | 検知装置及び検知方法 |
Family Cites Families (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4156846A (en) | 1977-01-10 | 1979-05-29 | Westinghouse Electric Corp. | Detection of arcing faults in generator windings |
| JPS5682459A (en) * | 1979-12-10 | 1981-07-06 | Hitachi Ltd | Spark detector |
| US4333095A (en) | 1980-02-19 | 1982-06-01 | Reliance Electric Company | Brush wear indicator |
| US4342960A (en) | 1980-09-05 | 1982-08-03 | General Electric Company | Brush alignment apparatus |
| JPS5749870A (en) | 1980-09-09 | 1982-03-24 | Toshiba Corp | Monitoring device for brush sparking |
| US4390870A (en) | 1981-06-15 | 1983-06-28 | General Electric Company | Interface circuit for brush wear indicator application |
| US4394648A (en) | 1981-07-13 | 1983-07-19 | Allied Corporation | Brush wear detector system with latching relay |
| US4446426A (en) | 1981-11-04 | 1984-05-01 | Westinghouse Electric Corp. | On-line RF arc monitor for large rotating generators |
| US4451786A (en) | 1982-03-01 | 1984-05-29 | General Electric Company | High sensitivity brush arcing monitor for a dynamoelectric machine |
| US4528556A (en) | 1983-02-14 | 1985-07-09 | Leesona Corporation | Defective motor brush detector |
| US4636778A (en) | 1983-10-03 | 1987-01-13 | Reliance Electric Company | Brush wear monitor |
| US4535377A (en) * | 1984-03-28 | 1985-08-13 | General Electric Company | Shaft voltage suppression circuit |
| US4771355A (en) | 1986-12-29 | 1988-09-13 | Electric Power Research Institute, Inc. | System and method for arc detection in dynamoelectric machines |
| JPS63210782A (ja) * | 1987-02-27 | 1988-09-01 | Musashi San Electric Kk | インダクテイブ・マルチプライヤ− |
| JPH0779526B2 (ja) * | 1987-12-15 | 1995-08-23 | 株式会社東芝 | 回転電機のコレクタリング火花監視装置 |
| US4940933A (en) | 1989-04-13 | 1990-07-10 | Westinghouse Electric Corp. | Fiber optic arc monitor |
| US5087909A (en) | 1989-08-18 | 1992-02-11 | Westinghouse Electric Corp. | Method and apparatus for radio frequency signal detection |
| US5126677A (en) | 1990-08-14 | 1992-06-30 | Electric Power Research Institute, Inc. | Apparatus and method for preventing spurious signals to the radio frequency monitor used for early warning of impending failure in electric generators and other equipment |
| DE4132533A1 (de) | 1991-09-30 | 1993-04-01 | Siemens Ag | Verfahren und zugehoerige messanordnung zur bewertung des lichtbogens an gleitkontakten von elektrischen maschinen |
| JPH06289060A (ja) * | 1993-03-30 | 1994-10-18 | Sony Corp | 電流センサー |
| US5416430A (en) | 1993-04-28 | 1995-05-16 | Electric Power Research Institute, Inc. | Apparatus and method for identification and location of internal arcing in dynamoelectric machines |
| JPH1160315A (ja) | 1997-08-18 | 1999-03-02 | Mitsubishi Materials Corp | 第3成分を含むメタチタン酸使用の大気浄化用製品 |
| GB0200867D0 (en) * | 2002-01-15 | 2002-03-06 | Univ Glasgow | Electric motor monitoring system |
| AU2003271761A1 (en) * | 2002-09-10 | 2004-04-30 | Alstom Technology Ltd | Device and method for monitoring and/or analyzing electric machines in operation |
| US7649470B2 (en) | 2002-09-10 | 2010-01-19 | Alstom Technology Ltd. | Method and apparatus for detection of brush sparking and spark erosion on electrical machines |
| US6927597B2 (en) * | 2002-12-20 | 2005-08-09 | General Electric Company | Direct current machine monitoring system and method |
| JP4258412B2 (ja) * | 2004-03-25 | 2009-04-30 | トヨタ自動車株式会社 | 回転電機の検査装置および検査方法 |
| DE102005060324B4 (de) | 2005-12-16 | 2021-03-18 | Robert Bosch Gmbh | Erfassung des Verschleißes einer Motoransteuerung |
| US8618943B2 (en) | 2007-05-24 | 2013-12-31 | Cutsforth, Inc. | Brush holder assembly monitoring apparatus, assembly, system and method |
| US7705744B2 (en) | 2007-05-24 | 2010-04-27 | Cutsforth Products, Inc. | Monitoring systems and methods for monitoring the condition of one or more components of an electrical device |
| US7676333B2 (en) | 2007-11-06 | 2010-03-09 | General Electric Company | Method and apparatus for analyzing partial discharges in electrical devices |
| EP2112518A1 (en) | 2008-04-25 | 2009-10-28 | ALSTOM Technology Ltd | Brush wear monitor |
| GB2461533A (en) | 2008-07-01 | 2010-01-06 | Vestas Wind Sys As | Estimation and control of wear in wind turbine slip ring brushes |
| JPWO2010150716A1 (ja) * | 2009-06-24 | 2012-12-10 | 株式会社日立メディコ | Rfコイル及び磁気共鳴イメージング装置 |
-
2011
- 2011-08-31 US US13/222,975 patent/US9075115B2/en active Active
-
2012
- 2012-08-27 JP JP2012186123A patent/JP6431656B2/ja active Active
- 2012-08-31 EP EP12182657.2A patent/EP2579057B1/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US9075115B2 (en) | 2015-07-07 |
| US20130054160A1 (en) | 2013-02-28 |
| EP2579057A3 (en) | 2013-11-20 |
| JP2013054031A (ja) | 2013-03-21 |
| EP2579057A2 (en) | 2013-04-10 |
| EP2579057B1 (en) | 2018-12-12 |
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