CA941899A - Apparatus for monitoring the air gap in rotary electrical machines - Google Patents

Apparatus for monitoring the air gap in rotary electrical machines

Info

Publication number
CA941899A
CA941899A CA112,796A CA112796A CA941899A CA 941899 A CA941899 A CA 941899A CA 112796 A CA112796 A CA 112796A CA 941899 A CA941899 A CA 941899A
Authority
CA
Canada
Prior art keywords
monitoring
air gap
electrical machines
rotary electrical
rotary
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.)
Expired
Application number
CA112,796A
Other languages
English (en)
Inventor
Rudolf Risch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AG BROWN BOVERI AND Co Ltd
Original Assignee
AG BROWN BOVERI AND Co Ltd
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 AG BROWN BOVERI AND Co Ltd filed Critical AG BROWN BOVERI AND Co Ltd
Application granted granted Critical
Publication of CA941899A publication Critical patent/CA941899A/en
Expired legal-status Critical Current

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
    • G01R31/34—Testing dynamo-electric machines
    • G01R31/343—Testing dynamo-electric machines in operation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/023—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring distance between sensor and object
CA112,796A 1970-05-20 1971-05-12 Apparatus for monitoring the air gap in rotary electrical machines Expired CA941899A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH751270A CH516885A (de) 1970-05-20 1970-05-20 Elektrische Maschine mit einer Einrichtung zur Überwachung des Luftspaltes

Publications (1)

Publication Number Publication Date
CA941899A true CA941899A (en) 1974-02-12

Family

ID=4326296

Family Applications (1)

Application Number Title Priority Date Filing Date
CA112,796A Expired CA941899A (en) 1970-05-20 1971-05-12 Apparatus for monitoring the air gap in rotary electrical machines

Country Status (11)

Country Link
US (1) US3743934A (fr)
JP (1) JPS5620481B1 (fr)
AT (1) AT310846B (fr)
BE (1) BE767296A (fr)
BR (1) BR7103008D0 (fr)
CA (1) CA941899A (fr)
CH (1) CH516885A (fr)
DE (2) DE2041594C3 (fr)
FR (1) FR2091682A5 (fr)
GB (1) GB1295608A (fr)
SE (1) SE366878B (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE17928T1 (de) * 1981-12-24 1986-02-15 Kontron Holding Ag Einrichtung zur beruehrungslosen unwuchtmessung.
US4518917A (en) * 1982-08-31 1985-05-21 Westinghouse Electric Corp. Plural sensor apparatus for monitoring turbine blading with undesired component elimination
US4644270A (en) * 1982-08-31 1987-02-17 Westinghouse Electric Corp. Apparatus for monitoring housed turbine blading to obtain blading-to-housing distance
JPS6210767U (fr) * 1985-07-03 1987-01-22
US5336996A (en) * 1992-08-21 1994-08-09 The Duriron Company, Inc. Hall effect monitoring of wear of bearing supporting a rotor within a stationary housing
US5513539A (en) * 1994-06-30 1996-05-07 Transalta Utilities Corporation Apparatus and method for determining the best position for inner and outer members in a rotary machine
US5760578A (en) * 1995-08-22 1998-06-02 Ebara Corporation Inductive displacement sensor system detecting displacements in two directions using a multi-bridge circuit
DE19961528C1 (de) * 1999-12-20 2001-06-13 Siemens Ag Verfahren zur Überwachung des radialen Spalts zwischen dem Rotor und dem Stator eines elektrischen Generators und Vorrichtung zur Durchführung des Verfahrens
DE10025016B4 (de) * 2000-05-23 2006-09-28 Miele & Cie. Kg Wäschebehandlungsgerät mit einem Antriebsmotor in Form eines Direktantriebs
EP1455436A1 (fr) * 2003-03-05 2004-09-08 Ecole Polytechnique Fédérale de Lausanne (EPFL) Procédé et dispositif de traitement de signaux pour la détection de l'excentricité d'une machine synchrone
US20040224816A1 (en) * 2003-05-06 2004-11-11 Lang Ken-Jen Gear with integrated angular position mechanism
US7808233B2 (en) * 2006-06-19 2010-10-05 General Electric Company Methods and apparatus for monitoring rotary machines
RU2496211C1 (ru) * 2012-03-11 2013-10-20 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Кубанский государственный технологический университет" (ФГБОУ ВПО "КубГТУ") Способ согласования магнитопроводов ротора и якоря в двухмерных электрических машинах-генераторах
EP2852037A1 (fr) * 2013-09-18 2015-03-25 Siemens Aktiengesellschaft Détermination et commande de la largeur d'un entrefer entre un rotor et un stator d'un générateur
US20150234011A1 (en) * 2014-02-19 2015-08-20 Vibrosystm Inc. Real time monitoring of rotor or stator shape change for rotating machines
CN104965175B (zh) * 2015-07-16 2017-10-10 华北电力大学（保定） 一种发电机气隙静态偏心故障方位及故障程度的检测方法
US10119985B2 (en) * 2015-10-22 2018-11-06 AISIN Technical Center of America, Inc. Multi-function speed sensor
RU2726867C2 (ru) * 2019-01-10 2020-07-16 Федеральное государственное бюджетное образовательное учреждение высшего образования "Кубанский государственный технологический университет" (ФГБОУ ВО "КубГТУ") Способ согласования магнитопроводов ротора и якоря в двухмерных электрических машинах-генераторах

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2204425A (en) * 1937-01-02 1940-06-11 Gen Electric Vibration indicator
US2997648A (en) * 1944-09-27 1961-08-22 Bell Telephone Labor Inc Magnetic field detector
DE1089882B (de) * 1954-04-15 1960-09-29 Siemens Ag Einrichtung zur Messung der magnetischen Induktion im Luftspalt umlaufender elektrischer Maschinen
US2879470A (en) * 1956-10-09 1959-03-24 Westinghouse Electric Corp Turbine eccentricity meter
US2924759A (en) * 1958-10-16 1960-02-09 Siemens Ag Hall-voltage generating device
DE1226200B (de) * 1963-11-02 1966-10-06 Continental Elektro Ind Ag Anordnung zur messtechnischen Erfassung und UEberwachung von Luftspaltaenderungen elektrischer Maschinen
GB1148064A (en) * 1965-08-12 1969-04-10 English Electric Co Ltd Inductive proximity transducers

Also Published As

Publication number Publication date
JPS5620481B1 (fr) 1981-05-14
DE2041594C3 (de) 1978-09-07
AT310846B (de) 1973-10-25
FR2091682A5 (fr) 1972-01-14
CH516885A (de) 1971-12-15
SE366878B (fr) 1974-05-06
BR7103008D0 (pt) 1973-04-10
BE767296A (fr) 1971-10-18
US3743934A (en) 1973-07-03
DE2041594A1 (de) 1971-12-02
DE2041594B2 (de) 1978-01-19
GB1295608A (fr) 1972-11-08
DE7031395U (de) 1972-04-13

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