GB2029587B - Methods and apparatus for diagnosing faults in the insulation of electrical insulator - Google Patents

Methods and apparatus for diagnosing faults in the insulation of electrical insulator

Info

Publication number
GB2029587B
GB2029587B GB7928161A GB7928161A GB2029587B GB 2029587 B GB2029587 B GB 2029587B GB 7928161 A GB7928161 A GB 7928161A GB 7928161 A GB7928161 A GB 7928161A GB 2029587 B GB2029587 B GB 2029587B
Authority
GB
United Kingdom
Prior art keywords
insulation
methods
electrical insulator
diagnosing faults
faults
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
GB7928161A
Other versions
GB2029587A (en
Inventor
Eiji Koyanagi
Hisayasu Mitsui
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric 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
Priority claimed from JP9726878A external-priority patent/JPS5524622A/en
Priority claimed from JP1185679A external-priority patent/JPS55104770A/en
Application filed by Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Publication of GB2029587A publication Critical patent/GB2029587A/en
Application granted granted Critical
Publication of GB2029587B publication Critical patent/GB2029587B/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
    • G01R31/12—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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Relating To Insulation (AREA)
GB7928161A 1978-08-11 1979-08-13 Methods and apparatus for diagnosing faults in the insulation of electrical insulator Expired GB2029587B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9726878A JPS5524622A (en) 1978-08-11 1978-08-11 Insulation inspecting method and device
JP1185679A JPS55104770A (en) 1979-02-06 1979-02-06 Method of and device for diagnosing insulation

Publications (2)

Publication Number Publication Date
GB2029587A GB2029587A (en) 1980-03-19
GB2029587B true GB2029587B (en) 1982-09-02

Family

ID=26347377

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7928161A Expired GB2029587B (en) 1978-08-11 1979-08-13 Methods and apparatus for diagnosing faults in the insulation of electrical insulator

Country Status (1)

Country Link
GB (1) GB2029587B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110888030A (en) * 2019-11-26 2020-03-17 深圳供电局有限公司 Short air gap discharge identification circuit, method and system of transformer

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3175191D1 (en) * 1981-12-14 1986-09-25 Biddle Co James G Insulation analyzer apparatus and method of use
JPS6319570A (en) * 1986-07-11 1988-01-27 Hitachi Ltd Testing voltage generator for gas insulating apparatus
DE102013008968A1 (en) * 2013-05-22 2014-11-27 Hagenuk KMT Kabelmeßtechnik GmbH Measuring method with a measuring device for cable diagnosis and / or cable testing
DE102015200544A1 (en) * 2015-01-15 2016-07-21 Siemens Aktiengesellschaft Electrostatic charge and dielectric strength test of an insulator
CN116298741B (en) * 2023-03-14 2023-10-31 青岛艾诺仪器有限公司 Insulator partial discharge detection method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB960370A (en) * 1959-09-08 1964-06-10 Gen Electric Improvements in apparatus for the non-destructive testing of electrical insulation
GB1066411A (en) * 1964-07-31 1967-04-26 Pirelli Improvements in or relating to circuit arrangements for use in testing electrical circuit elements
GB1202465A (en) * 1967-08-29 1970-08-19 Danfoss As Generator for producing at least part triangular signals
GB1288165A (en) * 1970-02-19 1972-09-06
GB1377833A (en) * 1971-11-22 1974-12-18 Robinson Partners Ltd F C Systems for testing insulating or dielectric material
GB1542335A (en) * 1976-10-29 1979-03-14 Standard Telephones Cables Ltd Testing dielectric materials

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB960370A (en) * 1959-09-08 1964-06-10 Gen Electric Improvements in apparatus for the non-destructive testing of electrical insulation
GB1066411A (en) * 1964-07-31 1967-04-26 Pirelli Improvements in or relating to circuit arrangements for use in testing electrical circuit elements
GB1202465A (en) * 1967-08-29 1970-08-19 Danfoss As Generator for producing at least part triangular signals
GB1288165A (en) * 1970-02-19 1972-09-06
GB1377833A (en) * 1971-11-22 1974-12-18 Robinson Partners Ltd F C Systems for testing insulating or dielectric material
GB1542335A (en) * 1976-10-29 1979-03-14 Standard Telephones Cables Ltd Testing dielectric materials

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110888030A (en) * 2019-11-26 2020-03-17 深圳供电局有限公司 Short air gap discharge identification circuit, method and system of transformer
CN110888030B (en) * 2019-11-26 2022-09-02 深圳供电局有限公司 Short air gap discharge identification circuit, method and system of transformer

Also Published As

Publication number Publication date
GB2029587A (en) 1980-03-19

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee