FR2370985A1 - Dispositif pour localiser les defauts dans les cables electriques - Google Patents

Dispositif pour localiser les defauts dans les cables electriques

Info

Publication number
FR2370985A1
FR2370985A1 FR7733878A FR7733878A FR2370985A1 FR 2370985 A1 FR2370985 A1 FR 2370985A1 FR 7733878 A FR7733878 A FR 7733878A FR 7733878 A FR7733878 A FR 7733878A FR 2370985 A1 FR2370985 A1 FR 2370985A1
Authority
FR
France
Prior art keywords
electric cables
faults
galvanometer
locating faults
report
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.)
Granted
Application number
FR7733878A
Other languages
English (en)
Other versions
FR2370985B1 (fr
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.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries 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 JP13708076A external-priority patent/JPS5836742B2/ja
Priority claimed from JP7641077A external-priority patent/JPS5410948A/ja
Priority claimed from JP8177577A external-priority patent/JPS5416640A/ja
Priority claimed from JP10201177A external-priority patent/JPS5435339A/ja
Priority claimed from JP11354577A external-priority patent/JPS5446584A/ja
Application filed by Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Publication of FR2370985A1 publication Critical patent/FR2370985A1/fr
Application granted granted Critical
Publication of FR2370985B1 publication Critical patent/FR2370985B1/fr
Granted 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Locating Faults (AREA)

Abstract

Dispositif pour localiser les défauts dans les câbles électriques. Il utilise un pont de Murray inversé comportant une branche de rapport reliée aux extrémités ouvertes d'un câble défectueux et d'un câble de retour sain, une source électrique connectée, par un commutateur, aux deux extrémités de la branche de rapport et un galvanomètre branché entre la borne de sortie de la branche de rapport et la masse et il est caractérisé par un circuit d'annulation des courants de terre monté soit en série, soit en parallèle sur le galvanomètre afin d'annuler les courants de terre parasites dans celui-ci. Application à la recherche des défauts dans les câbles électriques.
FR7733878A 1976-11-13 1977-11-10 Dispositif pour localiser les defauts dans les cables electriques Granted FR2370985A1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP13708076A JPS5836742B2 (ja) 1976-11-13 1976-11-13 電力ケ−ブルの事故点探知方法
JP7641077A JPS5410948A (en) 1977-06-27 1977-06-27 Searching method of cable defective points
JP8177577A JPS5416640A (en) 1977-07-08 1977-07-08 Earth current eliminater
JP10201177A JPS5435339A (en) 1977-08-25 1977-08-25 Cable failure point locating device
JP11354577A JPS5446584A (en) 1977-09-21 1977-09-21 Stray current eliminating device

Publications (2)

Publication Number Publication Date
FR2370985A1 true FR2370985A1 (fr) 1978-06-09
FR2370985B1 FR2370985B1 (fr) 1983-01-14

Family

ID=27524621

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7733878A Granted FR2370985A1 (fr) 1976-11-13 1977-11-10 Dispositif pour localiser les defauts dans les cables electriques

Country Status (6)

Country Link
US (1) US4161688A (fr)
AU (1) AU512200B2 (fr)
DE (1) DE2750386C2 (fr)
FR (1) FR2370985A1 (fr)
GB (1) GB1550550A (fr)
IT (1) IT1091461B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5382909A (en) 1983-06-30 1995-01-17 Raychem Corporation Method for detecting and obtaining information about changes in variables
US5015958A (en) 1983-06-30 1991-05-14 Raychem Corporation Elongate sensors comprising conductive polymers, and methods and apparatus using such sensors
EP0222013B1 (fr) 1985-06-12 1993-02-24 RAYCHEM CORPORATION (a Delaware corporation) Capteur d'hydrocarbure
DE3721205A1 (de) * 1987-06-26 1989-01-05 Pfaudler Werke Ag Verfahren zur feststellung eines schadens einer korrosionsschutzschicht und messeinrichtung zur durchfuehrung dieses verfahrens
US5045787A (en) * 1989-12-27 1991-09-03 General Signal Corporation Apparatus and method for measuring insulated track joint resistances
US20030213724A1 (en) * 2000-03-20 2003-11-20 Sven Dobler Fragrance sampler insert
CN111308272B (zh) * 2020-03-09 2021-03-16 西南交通大学 一种小电流接地故障区段定位方法
CN112684279B (zh) * 2020-11-06 2022-07-08 国网浙江省电力有限公司温州供电公司 一种基于相电流相似性的配电网单相接地故障检测算法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2105373A5 (fr) * 1970-09-03 1972-04-28 Mergaux Edmond
US3800216A (en) * 1971-08-11 1974-03-26 Dynatel Corp Cable fault locator apparatus and method with reference voltage comparison
US3812420A (en) * 1972-12-21 1974-05-21 Gen Ind Inc Bridge circuit changing fault location method and device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2105373A5 (fr) * 1970-09-03 1972-04-28 Mergaux Edmond
US3800216A (en) * 1971-08-11 1974-03-26 Dynatel Corp Cable fault locator apparatus and method with reference voltage comparison
US3812420A (en) * 1972-12-21 1974-05-21 Gen Ind Inc Bridge circuit changing fault location method and device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXBK/ *

Also Published As

Publication number Publication date
AU3023177A (en) 1979-05-10
DE2750386C2 (de) 1983-08-25
DE2750386A1 (de) 1978-05-18
AU512200B2 (en) 1980-09-25
IT1091461B (it) 1985-07-06
GB1550550A (en) 1979-08-15
US4161688A (en) 1979-07-17
FR2370985B1 (fr) 1983-01-14

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Legal Events

Date Code Title Description
ST Notification of lapse