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GB2198001B - Fault section finding apparatus - Google Patents

Fault section finding apparatus

Info

Publication number
GB2198001B
GB2198001B GB8726268A GB8726268A GB2198001B GB 2198001 B GB2198001 B GB 2198001B GB 8726268 A GB8726268 A GB 8726268A GB 8726268 A GB8726268 A GB 8726268A GB 2198001 B GB2198001 B GB 2198001B
Authority
GB
United Kingdom
Prior art keywords
fault section
finding apparatus
section finding
fault
section
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 - Lifetime
Application number
GB8726268A
Other versions
GB2198001A (en
GB8726268D0 (en
Inventor
Minoru Nakahata
Nobuyuki Orito
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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
Priority claimed from JP1986174340U external-priority patent/JPH0326771Y2/ja
Priority claimed from JP62053623A external-priority patent/JPS6485519A/en
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of GB8726268D0 publication Critical patent/GB8726268D0/en
Publication of GB2198001A publication Critical patent/GB2198001A/en
Application granted granted Critical
Publication of GB2198001B publication Critical patent/GB2198001B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
  • Locating Faults (AREA)
  • Small-Scale Networks (AREA)
GB8726268A 1986-11-12 1987-11-10 Fault section finding apparatus Expired - Lifetime GB2198001B (en)

Applications Claiming Priority (2)

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

Publications (3)

Publication Number Publication Date
GB8726268D0 GB8726268D0 (en) 1987-12-16
GB2198001A GB2198001A (en) 1988-06-02
GB2198001B true GB2198001B (en) 1990-08-29

Family

ID=26394339

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8726268A Expired - Lifetime GB2198001B (en) 1986-11-12 1987-11-10 Fault section finding apparatus

Country Status (3)

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

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
DE69420458T2 (en) * 1993-05-25 2000-01-27 Hochiki Corp., Tokio/Tokyo Line fault monitor
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 (en) * 2004-02-19 2010-06-10 Lenze Automation Gmbh Safety circuit grouping with ring concept for control units of power electronics
EP2722954A1 (en) * 2012-10-16 2014-04-23 ABB Technology AG Method of operate Is-limiters in ring systems
SE539916C2 (en) * 2016-05-11 2018-01-16 Dlaboratory Sweden Ab Method and device for disconnecting faults in mains

Citations (1)

* 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

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE326230B (en) * 1963-04-30 1970-07-20 Elektriska Ab Aeg
DE1956527C3 (en) * 1969-11-11 1973-01-04 Siemens Ag, 1000 Berlin U. 8000 Muenchen Differential protection device
SE384611B (en) * 1974-06-20 1976-05-10 Asea Ab FILTER PROTECTION FOR RELAY PROTECTION
DD224460A1 (en) * 1983-12-09 1985-07-03 Inst Prueffeld Elekt ELECTRONIC CIRCUIT FOR CONTROLLING FAST GROUNDING

Patent Citations (1)

* 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

Also Published As

Publication number Publication date
GB2198001A (en) 1988-06-02
KR880006815A (en) 1988-07-25
GB8726268D0 (en) 1987-12-16
DE3738493C2 (en) 1995-04-27
DE3738493A1 (en) 1988-05-26

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)

Effective date: 19951026

PCNP Patent ceased through non-payment of renewal fee

Effective date: 19991110