GB2044936B - Method of and apparatus for testing laminated magnetic cores - Google Patents

Method of and apparatus for testing laminated magnetic cores

Info

Publication number
GB2044936B
GB2044936B GB7930249A GB7930249A GB2044936B GB 2044936 B GB2044936 B GB 2044936B GB 7930249 A GB7930249 A GB 7930249A GB 7930249 A GB7930249 A GB 7930249A GB 2044936 B GB2044936 B GB 2044936B
Authority
GB
United Kingdom
Prior art keywords
magnetic cores
laminated magnetic
testing laminated
testing
cores
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
GB7930249A
Other versions
GB2044936A (en
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.)
Central Electricity Generating Board
Original Assignee
Central Electricity Generating Board
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 Central Electricity Generating Board filed Critical Central Electricity Generating Board
Priority to GB7930249A priority Critical patent/GB2044936B/en
Publication of GB2044936A publication Critical patent/GB2044936A/en
Application granted granted Critical
Publication of GB2044936B publication Critical patent/GB2044936B/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
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
GB7930249A 1978-05-31 1979-08-31 Method of and apparatus for testing laminated magnetic cores Expired GB2044936B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7930249A GB2044936B (en) 1978-05-31 1979-08-31 Method of and apparatus for testing laminated magnetic cores

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2559778 1978-05-31
GB7930249A GB2044936B (en) 1978-05-31 1979-08-31 Method of and apparatus for testing laminated magnetic cores

Publications (2)

Publication Number Publication Date
GB2044936A GB2044936A (en) 1980-10-22
GB2044936B true GB2044936B (en) 1983-01-06

Family

ID=26257770

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7930249A Expired GB2044936B (en) 1978-05-31 1979-08-31 Method of and apparatus for testing laminated magnetic cores

Country Status (1)

Country Link
GB (1) GB2044936B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104535873A (en) * 2015-01-15 2015-04-22 河北省电力建设调整试验所 Combined type sensor for detecting faults of generator stator core
CN107076804A (en) * 2014-11-17 2017-08-18 哈里伯顿能源服务公司 Quick magnetic hot spot detector

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8922490D0 (en) * 1989-10-05 1989-11-22 Adwel Ltd Testing of laminated magnetic cores
US6121788A (en) * 1998-08-13 2000-09-19 General Electric Company Method and fixture for evaluating stator core quality in production
DE69906815D1 (en) * 1999-01-20 2003-05-15 Hydro Quebec METHOD AND DEVICE FOR EVALUATING THE CONDITION OF A MAGNETIC CIRCUIT OF AN ELECTRICAL MACHINE
US6469504B1 (en) 2000-07-28 2002-10-22 General Electric Company Method and system for detecting core faults
US6489781B1 (en) 2001-06-07 2002-12-03 General Electric Company Method and system for detecting core faults
EP1430297B1 (en) * 2001-09-24 2006-06-14 ALSTOM Technology Ltd Method and device for controlling laminated steel sheet stacks of electrical machines in a view to detect steel sheet short-circuits
US6815957B2 (en) 2001-09-24 2004-11-09 Alstom (Switzerland) Ltd Method and device for inspecting laminated iron cores of electrical machines for interlamination shorts
US6756788B2 (en) 2001-10-16 2004-06-29 General Electric Company Laminated core contact detection method and system
GB2382878B (en) * 2001-12-04 2005-09-07 Adwel Internat Ltd A method and apparatus for testing laminated cores of electrical machines
US6794884B2 (en) 2002-05-10 2004-09-21 General Electric Company Method and system for evaluating core stack pressure
US6873152B2 (en) 2002-12-30 2005-03-29 General Electric Company Differential sensor apparatus and method for laminated core fault detection
US7098560B2 (en) * 2004-05-27 2006-08-29 Siemens Power Generation, Inc. Flux probe for electric generator
US7466126B2 (en) 2004-07-12 2008-12-16 General Electric Company Universal sensor probe with adjustable members configured to fit between a plurality of slot openings of varying widths
CH699666A1 (en) * 2008-10-08 2010-04-15 Alstom Technology Ltd Method and device for the detection of short circuits in the stator laminated core of electric machines.
RU2468376C2 (en) * 2010-10-21 2012-11-27 Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Уральский федеральный университет имени первого Президента России Б.Н. Ельцина" Method for instant diagnosis of magnetic conductors and apparatus for realising said method
US8508220B2 (en) * 2011-02-11 2013-08-13 Siemens Energy, Inc. Fault detection for laminated core
US8564284B2 (en) 2011-02-11 2013-10-22 Siemens Energy, Inc. Fault detection for laminated core
KR101500369B1 (en) * 2013-09-16 2015-03-10 현대자동차 주식회사 Stator core iron loss measuring structure of motor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107076804A (en) * 2014-11-17 2017-08-18 哈里伯顿能源服务公司 Quick magnetic hot spot detector
CN104535873A (en) * 2015-01-15 2015-04-22 河北省电力建设调整试验所 Combined type sensor for detecting faults of generator stator core

Also Published As

Publication number Publication date
GB2044936A (en) 1980-10-22

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19990830