JP2013054031A5 - - Google Patents

Download PDF

Info

Publication number
JP2013054031A5
JP2013054031A5 JP2012186123A JP2012186123A JP2013054031A5 JP 2013054031 A5 JP2013054031 A5 JP 2013054031A5 JP 2012186123 A JP2012186123 A JP 2012186123A JP 2012186123 A JP2012186123 A JP 2012186123A JP 2013054031 A5 JP2013054031 A5 JP 2013054031A5
Authority
JP
Japan
Prior art keywords
generator
signal
collector assembly
circuit
power
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.)
Granted
Application number
JP2012186123A
Other languages
English (en)
Japanese (ja)
Other versions
JP6431656B2 (ja
JP2013054031A (ja
Filing date
Publication date
Priority claimed from US13/222,975 external-priority patent/US9075115B2/en
Application filed filed Critical
Publication of JP2013054031A publication Critical patent/JP2013054031A/ja
Publication of JP2013054031A5 publication Critical patent/JP2013054031A5/ja
Application granted granted Critical
Publication of JP6431656B2 publication Critical patent/JP6431656B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

JP2012186123A 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 Active JP6431656B2 (ja)

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 true JP2013054031A5 (enExample) 2015-10-01
JP6431656B2 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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
JP2013054031A5 (enExample)
JP6514332B2 (ja) 部分放電検出システム
CN105629100B (zh) 基于异常振动分析的gis机械缺陷诊断系统及方法
US10408879B2 (en) Method and apparatus for diagnosing a fault condition in an electric machine
CN106304846B (zh) 用于确定同步机故障状态的方法和系统
RU2483315C1 (ru) Способ бесконтактной дистанционной диагностики состояния высоковольтных полимерных изоляторов
CA2780604A1 (en) Electrical substation fault monitoring and diagnostics
TW201612534A (en) Partial discharge measurement device, partial discharge measurement method, and program
WO2016037995A3 (en) Method and system for determining a synchronous machine fault condition
MY184376A (en) A condition monitoring device for monitoring an electric machine
US20160314679A1 (en) Multiple coil configuration for faulted circuit indicator
KR101385318B1 (ko) 부분 방전 진단 장치 및 그 방법
KR102314148B1 (ko) 전력설비의 절연열화상태 측정장치
WO2015143233A3 (en) Test switch signal analyzer
RU2013104238A (ru) Способ и устройство для определения направления на место замыкания
Wang et al. The influence of square voltage rise time on partial discharge spectra
CN106199346B (zh) 用于监视电网中局部放电的设备
JP2020530565A (ja) 誘導センサー
WO2019087288A1 (ja) 部分放電検出装置および部分放電検出方法
JP2018151345A (ja) 部分放電検出方法および部分放電検出装置
CN104166076A (zh) 一种高压开关柜内局部放电检测装置
JP2006017753A (ja) 異常音検出装置および検出方法
JP2020091106A (ja) 部分放電検出システム、部分放電検出装置、部分放電検出方法及びコンピュータプログラム
CN106443317A (zh) 一种变压器铜包铝绕组检测仪及检测方法
MY174520A (en) Method for determining characteristic feature quantity of three-phase induction motor