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CH486149A - Device for monitoring the air gap in electrical machines - Google Patents

Device for monitoring the air gap in electrical machines

Info

Publication number
CH486149A
CH486149A CH357169A CH357169A CH486149A CH 486149 A CH486149 A CH 486149A CH 357169 A CH357169 A CH 357169A CH 357169 A CH357169 A CH 357169A CH 486149 A CH486149 A CH 486149A
Authority
CH
Switzerland
Prior art keywords
monitoring
air gap
electrical machines
machines
electrical
Prior art date
Application number
CH357169A
Other languages
German (de)
Inventor
Schwirzer Thomas Ing Dr
Sahm Alexander
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of CH486149A publication Critical patent/CH486149A/en

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
CH357169A 1968-10-01 1969-03-10 Device for monitoring the air gap in electrical machines CH486149A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1801080 1968-10-01

Publications (1)

Publication Number Publication Date
CH486149A true CH486149A (en) 1970-02-15

Family

ID=5709571

Family Applications (1)

Application Number Title Priority Date Filing Date
CH357169A CH486149A (en) 1968-10-01 1969-03-10 Device for monitoring the air gap in electrical machines

Country Status (1)

Country Link
CH (1) CH486149A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009037990A1 (en) * 2009-08-20 2011-02-24 Alstom Technology Ltd. Electric machine e.g. asynchronous machine, has monitoring section extending in axial direction through air gap, where section monitors air gap for detecting change of geometry of rotor and/or penetration of foreign bodies into air gap
WO2012175160A3 (en) * 2011-06-20 2013-10-03 Voith Patent Gmbh Electrical machine having a device for monitoring rotor geometry
US8674566B2 (en) 2009-04-24 2014-03-18 Alstom Renewable Technologies Electrical machine with a device for monitoring an air gap between a rotor and a stator
EP3462182A1 (en) * 2017-09-28 2019-04-03 Siemens Aktiengesellschaft Passive component for detecting electrical overstress in electrical rotating machines

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8674566B2 (en) 2009-04-24 2014-03-18 Alstom Renewable Technologies Electrical machine with a device for monitoring an air gap between a rotor and a stator
DE102009037990A1 (en) * 2009-08-20 2011-02-24 Alstom Technology Ltd. Electric machine e.g. asynchronous machine, has monitoring section extending in axial direction through air gap, where section monitors air gap for detecting change of geometry of rotor and/or penetration of foreign bodies into air gap
WO2012175160A3 (en) * 2011-06-20 2013-10-03 Voith Patent Gmbh Electrical machine having a device for monitoring rotor geometry
EP3462182A1 (en) * 2017-09-28 2019-04-03 Siemens Aktiengesellschaft Passive component for detecting electrical overstress in electrical rotating machines
WO2019063423A1 (en) * 2017-09-28 2019-04-04 Siemens Aktiengesellschaft PASSIVE COMPONENT FOR DETECTING ELECTRICAL SUPPLY IN ELECTRICALLY ROTATING MACHINES
US11967869B2 (en) 2017-09-28 2024-04-23 Innomotics Gmbh Passive component for detecting an electrical overload in electrically rotating machines

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Legal Events

Date Code Title Description
PL Patent ceased