DK2300839T3 - Fremgangsmåde og apparat til måling af lejestrømme i en elektrisk maskine - Google Patents

Fremgangsmåde og apparat til måling af lejestrømme i en elektrisk maskine

Info

Publication number
DK2300839T3
DK2300839T3 DK09784141.5T DK09784141T DK2300839T3 DK 2300839 T3 DK2300839 T3 DK 2300839T3 DK 09784141 T DK09784141 T DK 09784141T DK 2300839 T3 DK2300839 T3 DK 2300839T3
Authority
DK
Denmark
Prior art keywords
measuring
electric machine
rental flow
rental
flow
Prior art date
Application number
DK09784141.5T
Other languages
English (en)
Inventor
Jari Pekola
Tapio Haring
Petri Maeki-Ontto
Original Assignee
Abb Oy
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 Abb Oy filed Critical Abb Oy
Application granted granted Critical
Publication of DK2300839T3 publication Critical patent/DK2300839T3/da

Links

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
    • G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
    • G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
    • G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
    • 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)
  • Testing Relating To Insulation (AREA)
  • Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
  • Motor Or Generator Frames (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Rolling Contact Bearings (AREA)
DK09784141.5T 2008-07-15 2009-07-15 Fremgangsmåde og apparat til måling af lejestrømme i en elektrisk maskine DK2300839T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20080438A FI20080438A0 (fi) 2008-07-15 2008-07-15 Menetelmä ja laitteisto laakerivirtojen mittaamiseksi sähkökoneessa
PCT/FI2009/000065 WO2010007203A1 (en) 2008-07-15 2009-07-15 Method and apparatus for measuring bearing currents in an electrical machine

Publications (1)

Publication Number Publication Date
DK2300839T3 true DK2300839T3 (da) 2013-01-07

Family

ID=39677554

Family Applications (1)

Application Number Title Priority Date Filing Date
DK09784141.5T DK2300839T3 (da) 2008-07-15 2009-07-15 Fremgangsmåde og apparat til måling af lejestrømme i en elektrisk maskine

Country Status (11)

Country Link
US (1) US8587325B2 (da)
EP (1) EP2300839B1 (da)
KR (1) KR101556346B1 (da)
CN (1) CN102099701B (da)
BR (1) BRPI0915751A8 (da)
DK (1) DK2300839T3 (da)
ES (1) ES2394608T3 (da)
FI (1) FI20080438A0 (da)
PL (1) PL2300839T3 (da)
PT (1) PT2300839E (da)
WO (1) WO2010007203A1 (da)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010002296A1 (de) * 2010-02-24 2011-08-25 Siemens Aktiengesellschaft, 80333 Auswertungsverfahren für Lichtbogenentladungen und zugehöriger Prüfstand
US9605710B2 (en) 2010-03-01 2017-03-28 Siemens Aktiengesellschaft Method and device for the early detection of the development of damage in a bearing
BR112012028790A2 (pt) 2010-05-11 2016-07-19 Siemens Ag dispositivo e método para a medição de correntes em um mancal
EP2574947A1 (en) * 2011-09-30 2013-04-03 ABB Technology AG A method of determining stationary signals for the diagnostics of an electromechanical system
US9411017B2 (en) 2013-11-26 2016-08-09 General Electric Company Method for inspecting wye ring
CN103595193A (zh) * 2013-11-29 2014-02-19 沈阳工业大学 一种可实现轴承状态监测的电机端盖
CN105277861A (zh) * 2015-11-19 2016-01-27 南车株洲电机有限公司 电机轴承绝缘强度的测试方法
DE102017212666B4 (de) 2017-07-24 2023-03-02 Vdeh-Betriebsforschungsinstitut Gmbh Verfahren und Vorrichtung zur Bestimmung des Zustands eines mechanischen Bauteils
DE102017125890A1 (de) * 2017-11-06 2019-05-09 Ebm-Papst Mulfingen Gmbh & Co. Kg Verfahren zur Überwachung von Wälzlagern
CN109444509B (zh) * 2018-11-02 2021-03-23 中国船舶重工集团海装风电股份有限公司 一种风力发电机轴承电流的测量装置及其应用
US11569712B2 (en) 2021-04-05 2023-01-31 General Electric Renovables Espana, S.L. System and method for detecting bearing insulation and ground brush health in a generator
CN113960470B (zh) * 2021-08-24 2022-07-15 北京金风慧能技术有限公司 发电机轴电流的检测方法及装置
KR102558372B1 (ko) * 2023-02-03 2023-07-24 멜콘 주식회사 인버터로 구동되는 모터의 베어링 전류를 검출하는 방법

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4238733A (en) 1979-05-15 1980-12-09 Canadian General Electric Company Limited Corona discharge monitor system
HUT48381A (en) * 1987-07-06 1989-05-29 Tatabanyai Szenbanyak Circuit arrangement for controlling insulation level of electric motor working in mine and disconnecting said electric motor from mains depending on insulation level
US5208542A (en) 1991-03-28 1993-05-04 Eaton Corporation Timing window arc detection
US5729145A (en) * 1992-07-30 1998-03-17 Siemens Energy & Automation, Inc. Method and apparatus for detecting arcing in AC power systems by monitoring high frequency noise
US6129193A (en) * 1997-08-29 2000-10-10 American Cooling Systems, L.L.C. Electric fan clutch
JP2001268957A (ja) 2000-03-15 2001-09-28 Japan Science & Technology Corp 回転体と量子電動機
EP1406365A1 (de) * 2002-10-04 2004-04-07 Siemens Aktiengesellschaft Erregerstromzuführung für eine elektrische Rotationsmaschine
DE102004016738B3 (de) 2004-04-05 2005-11-10 Siemens Ag Kompensationsvorrichtung zur Vermeidung von schädlichen Lagerströmen in einer elektrischen Maschine und entsprechendes Kompensationsverfahren
EP1835598B1 (en) 2006-03-13 2009-08-12 Aktiebolaget SKF Method and device for indicating an electric discharge inside a bearing of an electric drive system

Also Published As

Publication number Publication date
EP2300839B1 (en) 2012-09-05
CN102099701A (zh) 2011-06-15
US8587325B2 (en) 2013-11-19
FI20080438A0 (fi) 2008-07-15
BRPI0915751A2 (pt) 2015-11-03
BRPI0915751A8 (pt) 2017-12-26
PL2300839T3 (pl) 2013-02-28
WO2010007203A1 (en) 2010-01-21
CN102099701B (zh) 2014-03-26
PT2300839E (pt) 2012-12-19
KR101556346B1 (ko) 2015-09-30
EP2300839A1 (en) 2011-03-30
US20110169504A1 (en) 2011-07-14
ES2394608T3 (es) 2013-02-04
KR20110052612A (ko) 2011-05-18

Similar Documents

Publication Publication Date Title
DK2300839T3 (da) Fremgangsmåde og apparat til måling af lejestrømme i en elektrisk maskine
DK2291637T3 (da) Fremgangsmåde og anordning til måling af termooptiske egenskaber hos partikler i en opløsning
DK2342858T3 (da) Fremgangsmåde og apparat til tilvejebringelse af redundansversioner
DK1805523T3 (da) Metode og apparat til en elmåler
FI20075974A0 (fi) Laite ja menetelmä
DK3862529T3 (da) Fremgangsmåde og apparat til anvendelse ved nedlæggelse af borebrønde
HUE037774T2 (hu) Eljárás és berendezés optikai alkotórészekben hibák detektálására
FI20080182A0 (fi) Mittausmenetelmä ja -laite
DK2538394T3 (da) Fremgangsmåde og apparat til at opdage svindelforsøg i returautomater
DK2389498T3 (da) Fremgangsmåde og apparat til brøndboringsmålinger in situ
DK2155311T3 (da) Fremgangsmåde og apparat til fremstilling af et kateter
GB2476199B (en) Method and apparatus for non-destructive testing
NO20084538L (no) Fremgangsmate og apparat til rengjoring av flater
BRPI0921367A2 (pt) método de teste de corrente parasita e aparelho de teste de corrente parasita
BRPI0912722A2 (pt) método de ensaio magnético e aparelhagem de ensaio magnético
EP2316018A4 (en) APPARATUS AND METHOD FOR NON-DESTRUCTIVE TESTING
DK2874287T3 (da) Apparat og fremgangsmåde til vikling og terminering af kerner i dynamo-elektriske maskiner
EP2307896A4 (en) APPARATUS AND METHOD FOR MAGNETIC MEASUREMENTS IN THE FIELD
DK2403994T3 (da) Apparat og metode til håndtering af jernbanesveller
DK2107830T3 (da) Fremgangsmåde og apparat til måling på et faktisk øre til modtageranordninger i øregangen
GB0718567D0 (en) Apparatus and method for electricity metering
GB0918889D0 (en) Method and apparatus for testing available materials
DK2346618T3 (da) Fremgangsmåde og apparat til overvågning af slid i rystesolde
GB2468621B (en) Apparatus and method for time measurement in downhole measurement processes
GB2457302B (en) Measurement apparatus and method therefor