DE69420458D1 - Leitungsfehlerüberwachungsvorrichtung - Google Patents

Leitungsfehlerüberwachungsvorrichtung

Info

Publication number
DE69420458D1
DE69420458D1 DE69420458T DE69420458T DE69420458D1 DE 69420458 D1 DE69420458 D1 DE 69420458D1 DE 69420458 T DE69420458 T DE 69420458T DE 69420458 T DE69420458 T DE 69420458T DE 69420458 D1 DE69420458 D1 DE 69420458D1
Authority
DE
Germany
Prior art keywords
line fault
fault monitor
monitor
line
fault
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 - Fee Related
Application number
DE69420458T
Other languages
English (en)
Other versions
DE69420458T2 (de
Inventor
Kiyoaki Koyama
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.)
Hochiki Corp
Original Assignee
Hochiki Corp
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 Hochiki Corp filed Critical Hochiki Corp
Publication of DE69420458D1 publication Critical patent/DE69420458D1/de
Application granted granted Critical
Publication of DE69420458T2 publication Critical patent/DE69420458T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H02H3/02—Details
    • H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
    • H02H3/042—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned combined with means for locating the fault
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B26/00—Alarm systems in which substations are interrogated in succession by a central station
    • G08B26/005—Alarm systems in which substations are interrogated in succession by a central station with substations connected in series, e.g. cascade
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
    • H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
    • Y04S10/52—Outage or fault management, e.g. fault detection or location

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Alarm Systems (AREA)
  • Fire Alarms (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
DE69420458T 1993-05-25 1994-05-25 Leitungsfehlerüberwachungsvorrichtung Expired - Fee Related DE69420458T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12221393 1993-05-25

Publications (2)

Publication Number Publication Date
DE69420458D1 true DE69420458D1 (de) 1999-10-14
DE69420458T2 DE69420458T2 (de) 2000-01-27

Family

ID=14830360

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69420458T Expired - Fee Related DE69420458T2 (de) 1993-05-25 1994-05-25 Leitungsfehlerüberwachungsvorrichtung

Country Status (3)

Country Link
US (1) US5631795A (de)
EP (1) EP0626743B1 (de)
DE (1) DE69420458T2 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9713230D0 (en) * 1997-06-23 1997-08-27 Northern Electric Distribution Electrical power supply circuits
DE19800049A1 (de) * 1998-01-02 1999-07-08 Philips Patentverwaltung Anordnung zum Übertragen von Daten und/oder Energie mit Trenneinheit
DE19844977A1 (de) * 1998-09-30 2000-04-13 Siemens Solar Gmbh Schutzsystem für ein Solarmodul
DE10048599C1 (de) 2000-09-30 2002-04-18 Bosch Gmbh Robert Vorrichtung zur elektrischen Energieversorgung von Meldern, Steuer- und Signalisierungseinrichtungen
US6826027B2 (en) * 2002-06-11 2004-11-30 Edwards Systems Technology, Incorporated, Inc. Audio line isolator
US7684167B2 (en) * 2003-09-30 2010-03-23 Fisher-Rosemount Systems, Inc. Communication bus suitable for use in a hazardous area of a process plant
US7046157B2 (en) * 2003-11-17 2006-05-16 Relcom, Inc. Short circuit detector for shield conductor in a fieldbus network
US7505819B2 (en) * 2006-02-08 2009-03-17 Moore Industries International, Inc. Redundant fieldbus system
DE202008009211U1 (de) * 2008-07-09 2008-09-25 Robert Bosch Gmbh Vorrichtung zur Erkennung von Unterbrechungen bei einem Ringbus
US9363469B2 (en) 2008-07-17 2016-06-07 Ppc Broadband, Inc. Passive-active terminal adapter and method having automatic return loss control
JP5274491B2 (ja) * 2010-01-25 2013-08-28 能美防災株式会社 ショートサーキットアイソレータ
GB2484288A (en) 2010-10-04 2012-04-11 Thorn Security Isolator Circuit for detector
US9619990B2 (en) * 2013-09-06 2017-04-11 Junior Dunn Smart output protector
FR3056033B1 (fr) * 2016-09-14 2018-10-12 Supergrid Institute Protection d'un reseau hvdc
DE102016222173B4 (de) * 2016-11-11 2024-06-06 Leoni Bordnetz-Systeme Gmbh Leistungsverteiler und Bordnetz mit mehreren Leistungsverteilern
ES2916348T3 (es) 2017-08-11 2022-06-30 Carrier Corp Localización de fallos a tierra
EP3913594A1 (de) * 2020-05-21 2021-11-24 Carrier Corporation Ortung eines kurzschlusses

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1229149A (de) * 1969-07-28 1971-04-21
US3686531A (en) * 1971-04-08 1972-08-22 Robert M Decker Fault locating system for electrical circuits
US3765016A (en) * 1971-05-24 1973-10-09 Oak Electro Netics Corp Security system including means for polling the premises to be protected
USRE28958E (en) * 1973-05-30 1976-09-07 International Business Machines Corporation Synchronous disconnection and rearrangement
GB1567971A (en) * 1977-01-27 1980-05-21 Marconi Co Ltd Data transmission systems
US4528610A (en) * 1983-07-05 1985-07-09 Apollo Fire Detectors Limited Short circuit fault isolation means for electrical circuit arrangements
JPH0632517B2 (ja) * 1985-07-19 1994-04-27 ホーチキ株式会社 異常監視装置
JPS6273400A (ja) * 1985-09-27 1987-04-04 ニツタン株式会社 警報装置
JP2520113B2 (ja) * 1986-07-11 1996-07-31 ホーチキ株式会社 線路異常監視システム
KR880006815A (ko) * 1986-11-12 1988-07-25 시키 모리야 고장구간 검출장치
US5097259A (en) * 1990-06-18 1992-03-17 General Signal Corporation Line fault isolation system

Also Published As

Publication number Publication date
US5631795A (en) 1997-05-20
EP0626743B1 (de) 1999-09-08
DE69420458T2 (de) 2000-01-27
EP0626743A3 (de) 1995-04-26
EP0626743A2 (de) 1994-11-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee