NO883835L - Fremgangsmaate og innretning for detektering av en feil, dvs. kortslutning, brudd eller lekkasje, i en elektrisk kabel eller leder. - Google Patents
Fremgangsmaate og innretning for detektering av en feil, dvs. kortslutning, brudd eller lekkasje, i en elektrisk kabel eller leder.Info
- Publication number
- NO883835L NO883835L NO88883835A NO883835A NO883835L NO 883835 L NO883835 L NO 883835L NO 88883835 A NO88883835 A NO 88883835A NO 883835 A NO883835 A NO 883835A NO 883835 L NO883835 L NO 883835L
- Authority
- NO
- Norway
- Prior art keywords
- dvs
- leak
- conductor
- broken
- error
- Prior art date
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
- G01R31/10—Locating faults in cables, transmission lines, or networks by increasing destruction at fault, e.g. burning-in by using a pulse generator operating a special programme
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Locating Faults (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/FI1986/000156 WO1988005171A1 (en) | 1986-12-29 | 1986-12-29 | Method and device for detecting a fault, e.g. a short circuit, break or leakage, in an electric cable or conductor |
Publications (2)
Publication Number | Publication Date |
---|---|
NO883835L true NO883835L (no) | 1988-08-26 |
NO883835D0 NO883835D0 (no) | 1988-08-26 |
Family
ID=8556412
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO1988883835A NO883835D0 (no) | 1986-12-29 | 1988-08-26 | Fremgangsmaate og innretning for detektering av en feil, dvs. kortslutning, brudd eller lekkasje, i en elektrisk kabel eller leder. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4896114A (no) |
EP (1) | EP0295240A1 (no) |
JP (1) | JPH01502391A (no) |
FI (1) | FI81682C (no) |
NO (1) | NO883835D0 (no) |
WO (1) | WO1988005171A1 (no) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2317278A (en) * | 1996-09-11 | 1998-03-18 | Cegelec Controls Ltd | Apparatus and method for monitoring an earth-leakage state of a power distribution system |
US6154447A (en) * | 1997-09-10 | 2000-11-28 | At&T Corp. | Methods and apparatus for detecting and locating cable failure in communication systems |
FR2783926B1 (fr) * | 1998-09-28 | 2001-10-19 | Socrat | Procede et dispositif pour la localisation d'un defaut d'isolement d'un cable |
CA2312509C (en) * | 2000-06-27 | 2003-11-18 | Norscan Instruments Ltd. | Open cable locating for sheathed cables |
US6995570B2 (en) * | 2002-06-26 | 2006-02-07 | Eni Technology, Inc. | Method and apparatus for detecting conditions in paralleled DC power cables |
US20080123537A1 (en) * | 2006-11-29 | 2008-05-29 | Kumhyr David B | Method and Apparatus for Facilitating the Detection of Loop-Back Conditions in Computer Networks |
US7808247B1 (en) * | 2007-02-22 | 2010-10-05 | Marvel International Ltd. | Fast cable tester |
CN103823155A (zh) * | 2014-01-27 | 2014-05-28 | 中铁第四勘察设计院集团有限公司 | 一种at牵引网短路故障测距方法 |
EP3245765A4 (en) * | 2015-01-14 | 2018-06-20 | Adaptive Spectrum and Signal Alignment, Inc. | Systems, methods, and apparatuses for implementing dsl line fault determination and localization via selt, delt, and melt diagnostics |
CN111693819B (zh) * | 2020-05-25 | 2023-02-17 | 北京旋极信息技术股份有限公司 | 检测方法及装置 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1865687A (en) * | 1927-07-16 | 1932-07-05 | Graf Wilhelm | Method of locating the fault in the case of multiconductor cables damaged by short-circuiting |
US3284704A (en) * | 1962-04-10 | 1966-11-08 | Western Electric Co | Method for determining the magnitude of an open fault in one of a pair of current carrying conductors by measuring the voltage across a capacitance in series with the capacitance of said pair |
US3248646A (en) * | 1962-07-19 | 1966-04-26 | Whitney Blake Co | Location of cable faults by comparing a section of the faulted cable with a part of the section |
EP0003433A1 (en) * | 1978-01-27 | 1979-08-08 | The Post Office | Improvements in or relating to the location of contact faults on electrically conductive cables |
US4241305A (en) * | 1978-10-20 | 1980-12-23 | Hughes Aircraft Company | Method and apparatus for locating faults in electric cables |
US4353081A (en) * | 1980-01-29 | 1982-10-05 | Bell Telephone Laboratories, Incorporated | Graded bandgap rectifying semiconductor devices |
US4396931A (en) * | 1981-06-12 | 1983-08-02 | International Business Machines Corporation | Tunnel emitter upper valley transistor |
US4446421A (en) * | 1981-06-22 | 1984-05-01 | Grumman Aerospace Corporation | Apparatus and method for locating faults in cables |
US4424479A (en) * | 1981-10-05 | 1984-01-03 | Bell Telephone Laboratories, Incorporated | Loop fault location |
US4910562A (en) * | 1982-04-26 | 1990-03-20 | International Business Machines Corporation | Field induced base transistor |
US4532533A (en) * | 1982-04-27 | 1985-07-30 | International Business Machines Corporation | Ballistic conduction semiconductor device |
-
1985
- 1985-06-27 FI FI852542A patent/FI81682C/fi not_active IP Right Cessation
-
1986
- 1986-12-29 JP JP62500511A patent/JPH01502391A/ja not_active Withdrawn
- 1986-12-29 US US07/235,899 patent/US4896114A/en not_active Expired - Fee Related
- 1986-12-29 WO PCT/FI1986/000156 patent/WO1988005171A1/en not_active Application Discontinuation
- 1986-12-29 EP EP87900160A patent/EP0295240A1/en not_active Withdrawn
-
1988
- 1988-08-26 NO NO1988883835A patent/NO883835D0/no unknown
Also Published As
Publication number | Publication date |
---|---|
JPH01502391A (ja) | 1989-08-17 |
WO1988005171A1 (en) | 1988-07-14 |
FI81682C (fi) | 1990-11-12 |
FI852542L (fi) | 1986-12-28 |
US4896114A (en) | 1990-01-23 |
NO883835D0 (no) | 1988-08-26 |
FI852542A0 (fi) | 1985-06-27 |
FI81682B (fi) | 1990-07-31 |
EP0295240A1 (en) | 1988-12-21 |
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