GB2368733B - Improvements in monitoring apparatus - Google Patents

Improvements in monitoring apparatus

Info

Publication number
GB2368733B
GB2368733B GB0116405A GB0116405A GB2368733B GB 2368733 B GB2368733 B GB 2368733B GB 0116405 A GB0116405 A GB 0116405A GB 0116405 A GB0116405 A GB 0116405A GB 2368733 B GB2368733 B GB 2368733B
Authority
GB
United Kingdom
Prior art keywords
monitoring apparatus
monitoring
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 - Fee Related
Application number
GB0116405A
Other versions
GB0116405D0 (en
GB2368733A (en
Inventor
Dominique Lefebvre
Melvyn Cavanagh
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.)
Alstom Power UK Holdings Ltd
Cavendish Nuclear Ltd
Original Assignee
Alstom Power UK Holdings Ltd
Alstec 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 Alstom Power UK Holdings Ltd, Alstec Ltd filed Critical Alstom Power UK Holdings Ltd
Publication of GB0116405D0 publication Critical patent/GB0116405D0/en
Publication of GB2368733A publication Critical patent/GB2368733A/en
Application granted granted Critical
Publication of GB2368733B publication Critical patent/GB2368733B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01R31/12—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
    • 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
    • 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
    • G01R31/346—Testing of armature or field windings
GB0116405A 2000-07-06 2001-07-05 Improvements in monitoring apparatus Expired - Fee Related GB2368733B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0016559A GB0016559D0 (en) 2000-07-06 2000-07-06 Improvements in monitoring apparatus

Publications (3)

Publication Number Publication Date
GB0116405D0 GB0116405D0 (en) 2001-08-29
GB2368733A GB2368733A (en) 2002-05-08
GB2368733B true GB2368733B (en) 2005-03-30

Family

ID=9895108

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0016559A Ceased GB0016559D0 (en) 2000-07-06 2000-07-06 Improvements in monitoring apparatus
GB0116405A Expired - Fee Related GB2368733B (en) 2000-07-06 2001-07-05 Improvements in monitoring apparatus

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0016559A Ceased GB0016559D0 (en) 2000-07-06 2000-07-06 Improvements in monitoring apparatus

Country Status (1)

Country Link
GB (2) GB0016559D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH696646A5 (en) 2003-01-15 2007-08-31 Alstom Technology Ltd A method for analyzing and / or monitoring the partial discharge behavior of an electrical apparatus.
US7079984B2 (en) 2004-03-03 2006-07-18 Fisher-Rosemount Systems, Inc. Abnormal situation prevention in a process plant
CN106526436B (en) * 2016-10-18 2019-06-11 西安交通大学 A kind of Transformer Insulation Aging state evaluating method based on vibratory drilling method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1542335A (en) * 1976-10-29 1979-03-14 Standard Telephones Cables Ltd Testing dielectric materials
WO1991019991A1 (en) * 1990-06-15 1991-12-26 S.I.T.E.L.E.C. S.A.R.L. Insulator aging assessment method
US5506511A (en) * 1994-09-09 1996-04-09 Electric Power Research Institute Inc. Method of electrically detecting on-site partial discharges in the insulating medium of an electrical power transformer and apparatus therefor
WO1998047009A2 (en) * 1997-04-11 1998-10-22 General Electric Company Statistical pattern analysis methods of partial discharge measurments in high voltage insulation
JPH11352179A (en) * 1998-06-10 1999-12-24 Toshiba Electric Service Corp Partial discharge monitoring device for electric rotating machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1542335A (en) * 1976-10-29 1979-03-14 Standard Telephones Cables Ltd Testing dielectric materials
WO1991019991A1 (en) * 1990-06-15 1991-12-26 S.I.T.E.L.E.C. S.A.R.L. Insulator aging assessment method
US5506511A (en) * 1994-09-09 1996-04-09 Electric Power Research Institute Inc. Method of electrically detecting on-site partial discharges in the insulating medium of an electrical power transformer and apparatus therefor
WO1998047009A2 (en) * 1997-04-11 1998-10-22 General Electric Company Statistical pattern analysis methods of partial discharge measurments in high voltage insulation
JPH11352179A (en) * 1998-06-10 1999-12-24 Toshiba Electric Service Corp Partial discharge monitoring device for electric rotating machine

Also Published As

Publication number Publication date
GB0016559D0 (en) 2000-08-23
GB0116405D0 (en) 2001-08-29
GB2368733A (en) 2002-05-08

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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)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20120705