GB1139007A - Improvements in electrical insulation testing and fault locating systems - Google Patents

Improvements in electrical insulation testing and fault locating systems

Info

Publication number
GB1139007A
GB1139007A GB47596/66A GB4759666A GB1139007A GB 1139007 A GB1139007 A GB 1139007A GB 47596/66 A GB47596/66 A GB 47596/66A GB 4759666 A GB4759666 A GB 4759666A GB 1139007 A GB1139007 A GB 1139007A
Authority
GB
United Kingdom
Prior art keywords
transducer
sonic
test voltage
voltage
corona
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
GB47596/66A
Other languages
English (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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of GB1139007A publication Critical patent/GB1139007A/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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/20—Investigating the presence of flaws
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/16—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to fault current to earth, frame or mass

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Locating Faults (AREA)
  • Testing Relating To Insulation (AREA)
GB47596/66A 1965-12-21 1966-10-24 Improvements in electrical insulation testing and fault locating systems Expired GB1139007A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US51537365A 1965-12-21 1965-12-21

Publications (1)

Publication Number Publication Date
GB1139007A true GB1139007A (en) 1969-01-08

Family

ID=24051081

Family Applications (1)

Application Number Title Priority Date Filing Date
GB47596/66A Expired GB1139007A (en) 1965-12-21 1966-10-24 Improvements in electrical insulation testing and fault locating systems

Country Status (5)

Country Link
US (1) US3430136A (enExample)
CH (1) CH457616A (enExample)
DE (1) DE1541755C3 (enExample)
GB (1) GB1139007A (enExample)
SE (1) SE323745B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4348573A (en) 1977-12-13 1982-09-07 National Research Development Corporation Methods and apparatus for electrical discharge machining

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3622872A (en) * 1970-04-16 1971-11-23 Westinghouse Electric Corp Methods and apparatus for detecting and locating corona discharge in high-voltage, fluid-filled electrical inductive apparatus
US4095173A (en) * 1976-12-27 1978-06-13 General Electric Company Method and system for corona source location by acoustic signal detection
US4316139A (en) * 1979-06-13 1982-02-16 International Telephone And Telegraph Corporation Method and apparatus for determining the location of an arc in a waveguide transmission line or the like
JPH0750147B2 (ja) * 1989-06-14 1995-05-31 株式会社日立製作所 ガス絶縁電気機器の異常位置標定方法および装置
US5365177A (en) * 1993-03-10 1994-11-15 Honeywell Inc. Apparatus for measurement of high frequency corona discharges in electrical components
SE515387C2 (sv) * 1995-05-02 2001-07-23 Abb Research Ltd Övervakning av interna partiella urladdningar i en krafttransformator
WO1997024742A1 (en) * 1995-12-27 1997-07-10 Quiet Power Systems, Inc Method and apparatus for locating partial discharge in electrical transformers
JP4157636B2 (ja) * 1999-01-28 2008-10-01 株式会社日立製作所 ガス絶縁機器の部分放電診断装置
US6566887B2 (en) 2000-06-07 2003-05-20 Cirris Systems Corporation Method and device for detecting and locating insulation/isolation defects between conductors
DE102010050375B4 (de) * 2010-11-03 2016-02-04 Hagenuk KMT Kabelmeßtechnik GmbH Fehlerortungsverfahren erdverlegter elektrischer Leitungen und Anordnung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2942248A (en) * 1956-08-08 1960-06-21 Curtiss Wright Corp Apparatus and method for detecting abrupt changes in dielectric sheet material
US3173086A (en) * 1962-07-18 1965-03-09 Gen Electric Apparatus including mechanical vibration detector means for detecting and locating incipient internal faults in electric induction apparatus
US3182181A (en) * 1963-03-27 1965-05-04 Nuclear Data Inc Method and apparatus for averaging a series of electrical transients

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4348573A (en) 1977-12-13 1982-09-07 National Research Development Corporation Methods and apparatus for electrical discharge machining

Also Published As

Publication number Publication date
DE1541755C3 (de) 1975-11-27
US3430136A (en) 1969-02-25
DE1541755B2 (de) 1975-02-20
CH457616A (de) 1968-06-15
SE323745B (enExample) 1970-05-11
DE1541755A1 (de) 1969-10-02

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