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BR8701640A - Aparelho e processo para medir o entreferro entre um rotor e um estator em maquinas eletricas giratorias - Google Patents

Aparelho e processo para medir o entreferro entre um rotor e um estator em maquinas eletricas giratorias

Info

Publication number
BR8701640A
BR8701640A BR8701640A BR8701640A BR8701640A BR 8701640 A BR8701640 A BR 8701640A BR 8701640 A BR8701640 A BR 8701640A BR 8701640 A BR8701640 A BR 8701640A BR 8701640 A BR8701640 A BR 8701640A
Authority
BR
Brazil
Prior art keywords
stator
rotor
measure
air gap
electrical machines
Prior art date
Application number
BR8701640A
Other languages
English (en)
Inventor
Thomas Lynn Churchill
Jame M Ross
Original Assignee
Electric Power Res Inst
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 Electric Power Res Inst filed Critical Electric Power Res Inst
Publication of BR8701640A publication Critical patent/BR8701640A/pt

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06—Systems determining the position data of a target
    • G01S15/08—Systems for measuring distance only
    • G01S15/10—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
    • G01S15/14—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves wherein a voltage or current pulse is initiated and terminated in accordance respectively with the pulse transmission and echo reception

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
BR8701640A 1986-04-10 1987-04-08 Aparelho e processo para medir o entreferro entre um rotor e um estator em maquinas eletricas giratorias BR8701640A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/850,234 US4704906A (en) 1986-04-10 1986-04-10 Dynamic air gap measuring device for use with rotating electrical machinery

Publications (1)

Publication Number Publication Date
BR8701640A true BR8701640A (pt) 1988-01-12

Family

ID=25307612

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8701640A BR8701640A (pt) 1986-04-10 1987-04-08 Aparelho e processo para medir o entreferro entre um rotor e um estator em maquinas eletricas giratorias

Country Status (6)

Country Link
US (1) US4704906A (pt)
EP (1) EP0242107A3 (pt)
JP (1) JPH0638700B2 (pt)
BR (1) BR8701640A (pt)
CA (1) CA1273098A (pt)
SE (1) SE8701477L (pt)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5154080A (en) * 1986-10-29 1992-10-13 Westinghouse Electric Corp. Integrated check valve testing system
US5159835A (en) * 1986-10-29 1992-11-03 Westinghouse Electric Corp. Check valve testing system
US5385050A (en) * 1992-04-07 1995-01-31 Northrop Grumman Corporation Gap measurement for shim manufacture
US5415046A (en) * 1992-10-07 1995-05-16 Guinon; Walter J. Time gated listening device for machinery analysis
US5432442A (en) * 1993-07-30 1995-07-11 Itt Corporation Speed sensor including output signal proportional to air gap size
CA2127135A1 (en) * 1994-06-30 1995-12-31 Bryan P. Mclaughlin Apparatus and method of determining the best position for inner and outer members in a rotary machine
US6489884B1 (en) 1996-01-30 2002-12-03 Skf Condition Monitoring Apparatus and method for the remote monitoring of machine condition
US5845230A (en) * 1996-01-30 1998-12-01 Skf Condition Monitoring Apparatus and method for the remote monitoring of machine condition
SE516952C2 (sv) * 2000-09-04 2002-03-26 Johansson Ab C E Vinkelgivare
EP1617174A1 (de) * 2004-07-12 2006-01-18 Siemens Aktiengesellschaft Bestimmung des Spaltmasses eines Radialspaltes
US20060167638A1 (en) * 2004-11-04 2006-07-27 Murphy Jonathan D M Data collector with wireless server connection
US8137058B2 (en) * 2008-03-10 2012-03-20 General Electric Company Method and apparatus for determining clearance between moving and static members in a machine
CN102405582B (zh) * 2009-04-24 2014-10-29 阿尔斯通再生能源技术公司 包括转子、定子和在转子与定子之间的空气间隙的电机
US8466649B2 (en) 2010-05-19 2013-06-18 The Invention Science Fund I Llc Heat removal from motor components
US8536813B2 (en) 2010-05-19 2013-09-17 The Invention Science Fund I Llc Motor with rotor-mounted control circuitry
EP2866939B1 (en) 2012-06-29 2020-10-14 Metso Minerals, Inc. Impact crusher rotor position detection and control
EP2690422B1 (en) * 2012-07-25 2020-04-08 Ansaldo Energia IP UK Limited Method for monitoring machines with rotating shafts
US9513117B2 (en) 2013-10-02 2016-12-06 Siemens Energy, Inc. Situ blade mounted tip gap measurement for turbines
US9068906B2 (en) 2013-10-02 2015-06-30 Siemens Energy, Inc. Turbine blade-mounted sensor fixture for tip gap measurement
DE102014212412A1 (de) * 2014-06-27 2015-12-31 Siemens Aktiengesellschaft Abstandsmessverfahren und Abstandsmesseinrichtung
US10222200B2 (en) 2017-05-12 2019-03-05 Siemens Energy, Inc. Contactless, blade-tip clearance measurement for turbines
CN107677214A (zh) * 2017-11-03 2018-02-09 北京金风科创风电设备有限公司 发电机气隙的实时检测系统、方法和风力发电机组
CN109883341B (zh) * 2019-03-28 2020-12-04 中广核核电运营有限公司 一种用于励磁机的测距装置及其测距方法
CN110071607B (zh) * 2019-04-23 2021-01-26 中广核核电运营有限公司 发电机检修机器人

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3760414A (en) * 1971-10-22 1973-09-18 Sperry Rand Corp Base band vehicle safety apparatus
DE2654020A1 (de) * 1976-11-27 1978-06-01 Bbc Brown Boveri & Cie Mess- und/oder ueberwachungseinrichtung fuer spaltaenderungen
DE2730508A1 (de) * 1977-07-06 1979-01-25 Bbc Brown Boveri & Cie Mess- und/oder ueberwachungseinrichtung fuer aenderungen der spaltweite zwischen relativ zueinander bewegbaren bauelementen
GB1598405A (en) * 1978-03-08 1981-09-23 Nat Res Dev Proximity indicating sonar equipment
US4368641A (en) * 1981-01-30 1983-01-18 Powers Manufacturing, Inc. Out-of-round detector
FR2506455A1 (fr) * 1981-05-21 1982-11-26 Elf Aquitaine Systeme d'analyse des mouvements vibratoires d'une machine tournante
US4413519A (en) * 1981-07-29 1983-11-08 Westinghouse Electric Corp. Turbine blade vibration detection apparatus
US4452074A (en) * 1981-09-04 1984-06-05 Shelomentsev Timofei I Method of and apparatus for monitoring the performance of internal combustion engine mechanisms
US4422333A (en) * 1982-04-29 1983-12-27 The Franklin Institute Method and apparatus for detecting and identifying excessively vibrating blades of a turbomachine
US4472793A (en) * 1982-05-25 1984-09-18 Eastport International, Inc. Data selector circuit with channel skipper for data acquisition system
US4464935A (en) * 1983-05-09 1984-08-14 General Electric Company Shaft vibration evaluation

Also Published As

Publication number Publication date
EP0242107A2 (en) 1987-10-21
SE8701477L (sv) 1987-10-11
CA1273098A (en) 1990-08-21
SE8701477D0 (sv) 1987-04-09
US4704906A (en) 1987-11-10
JPH0638700B2 (ja) 1994-05-18
JPS63129830A (ja) 1988-06-02
EP0242107A3 (en) 1988-10-05

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