KR880006815A - 고장구간 검출장치 - Google Patents

고장구간 검출장치 Download PDF

Info

Publication number
KR880006815A
KR880006815A KR870011238A KR870011238A KR880006815A KR 880006815 A KR880006815 A KR 880006815A KR 870011238 A KR870011238 A KR 870011238A KR 870011238 A KR870011238 A KR 870011238A KR 880006815 A KR880006815 A KR 880006815A
Authority
KR
South Korea
Prior art keywords
fault
power supply
failure
circuit current
section detection
Prior art date
Application number
KR870011238A
Other languages
English (en)
Korean (ko)
Inventor
미노루 나카하타
노부유키 오리토
Original Assignee
시키 모리야
미츠비시 덴키 가부시키 가이샤
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 JP1986174340U external-priority patent/JPH0326771Y2/ja
Priority claimed from JP62053623A external-priority patent/JPS6485519A/ja
Application filed by 시키 모리야, 미츠비시 덴키 가부시키 가이샤 filed Critical 시키 모리야
Publication of KR880006815A publication Critical patent/KR880006815A/ko
Priority to KR2019910001092U priority Critical patent/KR910001815Y1/ko

Links

Classifications

    • 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
    • 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
    • G01R31/086—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
    • 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
    • H02H7/28—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 for meshed systems

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Small-Scale Networks (AREA)
  • Locating Faults (AREA)
KR870011238A 1986-11-12 1987-10-10 고장구간 검출장치 KR880006815A (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019910001092U KR910001815Y1 (ko) 1987-03-09 1991-01-26 고장구간 검출장치

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP86-174340 1986-11-12
JP1986174340U JPH0326771Y2 (de) 1986-11-12 1986-11-12
JP62053623A JPS6485519A (en) 1987-03-09 1987-03-09 Fault indicator
JP87-53623 1987-03-09

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR2019910001092U Division KR910001815Y1 (ko) 1987-03-09 1991-01-26 고장구간 검출장치

Publications (1)

Publication Number Publication Date
KR880006815A true KR880006815A (ko) 1988-07-25

Family

ID=26394339

Family Applications (1)

Application Number Title Priority Date Filing Date
KR870011238A KR880006815A (ko) 1986-11-12 1987-10-10 고장구간 검출장치

Country Status (3)

Country Link
KR (1) KR880006815A (de)
DE (1) DE3738493C2 (de)
GB (1) GB2198001B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5243293A (en) * 1989-05-29 1993-09-07 Ngk Insulators, Ltd. System utilizing optical current sensors for detecting fault location in substation
EP0626743B1 (de) * 1993-05-25 1999-09-08 Hochiki Corporation Leitungsfehlerüberwachungsvorrichtung
GB9713230D0 (en) * 1997-06-23 1997-08-27 Northern Electric Distribution Electrical power supply circuits
GB2361591B (en) * 2000-04-18 2003-10-08 Alstom Improvements in or relating to ring main units
DE102004020830B4 (de) * 2004-02-19 2010-06-10 Lenze Automation Gmbh Sicherheits-Schaltungsverbund mit Ringkonzept für Steuergeräte der Leistungselektronik
EP2722954A1 (de) * 2012-10-16 2014-04-23 ABB Technology AG Verfahren zum Betrieb von LS-Begrenzern in Ringsystemen
SE539916C2 (sv) * 2016-05-11 2018-01-16 Dlaboratory Sweden Ab Metod och anordning för bortkoppling av fel i elnät

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1076773A (en) * 1963-04-29 1967-07-19 Reyrolle A & Co Ltd Improvements relating to fault protection for electric power distribution systems
SE326230B (de) * 1963-04-30 1970-07-20 Elektriska Ab Aeg
DE1956527C3 (de) * 1969-11-11 1973-01-04 Siemens Ag, 1000 Berlin U. 8000 Muenchen Differentialschutzeinrichtung
SE384611B (sv) * 1974-06-20 1976-05-10 Asea Ab Filtreringsanordning vid releskydd
DD224460A1 (de) * 1983-12-09 1985-07-03 Inst Prueffeld Elekt Elektronische schaltung zur steuerung der schnellerdung

Also Published As

Publication number Publication date
GB2198001B (en) 1990-08-29
GB2198001A (en) 1988-06-02
GB8726268D0 (en) 1987-12-16
DE3738493C2 (de) 1995-04-27
DE3738493A1 (de) 1988-05-26

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application
WICV Withdrawal of application forming a basis of a converted application