BR8001522A - Sistema de supervisionamento - Google Patents

Sistema de supervisionamento

Info

Publication number
BR8001522A
BR8001522A BR8001522A BR8001522A BR8001522A BR 8001522 A BR8001522 A BR 8001522A BR 8001522 A BR8001522 A BR 8001522A BR 8001522 A BR8001522 A BR 8001522A BR 8001522 A BR8001522 A BR 8001522A
Authority
BR
Brazil
Prior art keywords
supervision system
supervision
Prior art date
Application number
BR8001522A
Other languages
English (en)
Inventor
B Wright
Original Assignee
Minnesota Mining & Mfg
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 Minnesota Mining & Mfg filed Critical Minnesota Mining & Mfg
Publication of BR8001522A publication Critical patent/BR8001522A/pt

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
    • 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
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/58—Testing of lines, cables or conductors
    • G01R31/60—Identification of wires in a multicore cable
BR8001522A 1979-03-16 1980-03-14 Sistema de supervisionamento BR8001522A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/020,981 US4322677A (en) 1979-03-16 1979-03-16 System and method for locating resistive faults and interconnect errors in multi-conductor cables

Publications (1)

Publication Number Publication Date
BR8001522A true BR8001522A (pt) 1980-11-11

Family

ID=21801679

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8001522A BR8001522A (pt) 1979-03-16 1980-03-14 Sistema de supervisionamento

Country Status (8)

Country Link
US (1) US4322677A (pt)
JP (1) JPS55140171A (pt)
BR (1) BR8001522A (pt)
CA (1) CA1152568A (pt)
DE (1) DE3010369A1 (pt)
FR (1) FR2451587A1 (pt)
GB (1) GB2045955B (pt)
SE (1) SE441310B (pt)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4464622A (en) * 1982-03-11 1984-08-07 Franklin Robert C Electronic wall stud sensor
DE3242412A1 (de) * 1982-11-16 1984-05-24 Seba-Dynatronic Mess- und Ortungstechnik gmbH, 8601 Baunach Verfahren zur kabelfehler-ortung und vorrichtung zur ausfuehrung des verfahrens
JPS63169534A (ja) * 1987-01-08 1988-07-13 Kokusai Denshin Denwa Co Ltd <Kdd> 光ケ−ブルの障害点検出方式
US4914399A (en) * 1989-03-01 1990-04-03 Minnesota Mining And Manufacturing Company Induction coil driver
US4967158A (en) * 1989-03-31 1990-10-30 Hydro-Quebec Portable detector device for detecting partial electrical discharge in live voltage distribution cables and/or equipment
FI84302C (fi) * 1989-04-25 1991-11-11 Tipteck Oy Foerfarande och anordning foer lokalisering av en i jord eller vatten nedsaenkt kabels laege eller kabelfel fraon marken eller ovan vatten.
US5066919A (en) * 1990-04-03 1991-11-19 Ford Motor Company Fault detection and isolation in automotive wiring harness by network analysis method
US5268644A (en) * 1990-04-03 1993-12-07 Ford Motor Company Fault detection and isolation in automotive wiring harness by time-domain reflectometry
US5264796A (en) * 1990-04-03 1993-11-23 Ford Motor Company Fault detection and isolation in automotive wiring harness including dedicated test line
US5264795A (en) * 1990-06-18 1993-11-23 The Charles Machine Works, Inc. System transmitting and receiving digital and analog information for use in locating concealed conductors
CA2183715A1 (en) * 1995-09-01 1997-03-02 Robert G. Crick Device and method for locating faults in a paired line
US5995588A (en) * 1995-09-01 1999-11-30 Crick; Robert G. Tone location device for locating faults in a paired line
CA2158916A1 (en) * 1995-09-22 1995-11-17 Don A. Lulham Method and apparatus for detecting faults in buried conductors
US5894223A (en) * 1997-09-24 1999-04-13 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Non-intrusive cable tester
WO1999053627A1 (en) 1998-04-10 1999-10-21 Chrimar Systems, Inc. Doing Business As Cms Technologies System for communicating with electronic equipment on a network
US6198401B1 (en) 1999-02-12 2001-03-06 Mcgraw Edison Company Detection of sub-cycle, self-clearing faults
CA2374437C (en) 1999-10-28 2007-02-13 Tollgrade Communications, Inc. Method and apparatus for delay-line time-domain reflectometry
US6590962B1 (en) * 2000-06-21 2003-07-08 Teradyne, Inc. Method of performing non-interactive resistive fault location
US6867596B1 (en) 2003-01-23 2005-03-15 Mclaughlin Manufacturing Company, Inc. Fault detection system
US7847562B2 (en) * 2006-11-29 2010-12-07 2D2C, Inc. Method and apparatus for detection of resistive fault conditions
US7880476B1 (en) * 2008-07-29 2011-02-01 Mckenzie Fiona A M Method to and apparatus for detecting and locating a fault in an electrical conductor wire
DE102010000509B4 (de) 2010-02-22 2013-04-11 Wolfgang Kaphahn Einrichtung zur Wärmerückgewinnung in einer Abluftanlage einer Wärmebehandlungsmaschine
CN110596511A (zh) * 2019-08-27 2019-12-20 和昊元(北京)科技有限公司 一种低频脉冲信号寻线系统

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2651021A (en) * 1951-04-20 1953-09-01 Bell Telephone Labor Inc Fault detector
US2717992A (en) * 1951-10-20 1955-09-13 Itt Transient surge detector
US2769868A (en) * 1952-02-18 1956-11-06 Phillips Petroleum Co Line fault detector
US3155897A (en) * 1960-10-17 1964-11-03 Wheland Company Fault detection system having a portable radio signal generator and stationary radio receiver for detecting open circuits in an electrical conductor
US3597680A (en) * 1968-12-19 1971-08-03 Aqua Tronics Inc Method and apparatus utilizing a transmitter and receiver for detecting the presence of a metallic object within a pipe
US3882287A (en) * 1973-04-20 1975-05-06 Perkins Res & Mfg Co Method and apparatus for detecting faults and locating conductors in multi-conductor cables
US3831086A (en) * 1973-11-28 1974-08-20 Bell Telephone Labor Inc Apparatus for identifying and tracing a pair of conductors
US3991363A (en) * 1975-08-11 1976-11-09 Bell Telephone Laboratories, Incorporated Method and apparatus for detecting faults in buried insulated conductors

Also Published As

Publication number Publication date
CA1152568A (en) 1983-08-23
SE441310B (sv) 1985-09-23
US4322677A (en) 1982-03-30
GB2045955B (en) 1983-02-23
DE3010369A1 (de) 1980-12-04
GB2045955A (en) 1980-11-05
SE8001956L (sv) 1980-09-17
FR2451587B1 (pt) 1985-03-22
JPS55140171A (en) 1980-11-01
FR2451587A1 (fr) 1980-10-10

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