GB2057147B - Detecting faults in buried cables - Google Patents

Detecting faults in buried cables

Info

Publication number
GB2057147B
GB2057147B GB8026218A GB8026218A GB2057147B GB 2057147 B GB2057147 B GB 2057147B GB 8026218 A GB8026218 A GB 8026218A GB 8026218 A GB8026218 A GB 8026218A GB 2057147 B GB2057147 B GB 2057147B
Authority
GB
United Kingdom
Prior art keywords
detecting faults
buried cables
buried
cables
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
GB8026218A
Other versions
GB2057147A (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.)
GEODATE Ltd
Original Assignee
GEODATE 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 GEODATE Ltd filed Critical GEODATE Ltd
Publication of GB2057147A publication Critical patent/GB2057147A/en
Application granted granted Critical
Publication of GB2057147B publication Critical patent/GB2057147B/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
    • G01R31/08—Locating faults in cables, transmission lines, or networks
    • G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
    • G01R31/083—Locating faults in cables, transmission lines, or networks according to type of conductors in cables, e.g. underground
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
    • G01V3/104—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils using several coupled or uncoupled coils

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electromagnetism (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Locating Faults (AREA)
GB8026218A 1979-08-18 1980-08-12 Detecting faults in buried cables Expired GB2057147B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7928837 1979-08-18

Publications (2)

Publication Number Publication Date
GB2057147A GB2057147A (en) 1981-03-25
GB2057147B true GB2057147B (en) 1983-11-23

Family

ID=10507300

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8026218A Expired GB2057147B (en) 1979-08-18 1980-08-12 Detecting faults in buried cables

Country Status (1)

Country Link
GB (1) GB2057147B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2119094A (en) * 1982-03-17 1983-11-09 British Gas Corp Apparatus for measuring defects in insulation coatings
US4719426A (en) * 1983-01-20 1988-01-12 Scopemoor Limited Method for magnetically detecting a localized disturbance of the ground
GB2135460B (en) * 1983-01-20 1987-10-07 Scopemoor Ltd Detecting hidden objects
GB8400638D0 (en) * 1984-01-11 1984-02-15 Dynalog Electronics Ltd Electromagnetic monitoring of marine pipes
US5194816A (en) * 1990-10-19 1993-03-16 Westinghouse Electric Corp. Method and apparatus for locating electrical shorts between concealed conductive objects
FI100828B (en) * 1995-03-08 1998-02-27 Powex Oy Measuring device for measuring the current in overhead lines of a medium voltage line
CN111856208B (en) * 2020-07-17 2023-09-19 山东科汇电力自动化股份有限公司 Device and method for positioning fault point of ultra-high voltage cable sheath
CN114384376B (en) * 2022-03-23 2022-06-24 浙江浙能能源服务有限公司 Fault classification positioning method for direct-current power distribution network

Also Published As

Publication number Publication date
GB2057147A (en) 1981-03-25

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee