GB8726268D0 - Fault section finding apparatus - Google Patents
Fault section finding apparatusInfo
- Publication number
- GB8726268D0 GB8726268D0 GB878726268A GB8726268A GB8726268D0 GB 8726268 D0 GB8726268 D0 GB 8726268D0 GB 878726268 A GB878726268 A GB 878726268A GB 8726268 A GB8726268 A GB 8726268A GB 8726268 D0 GB8726268 D0 GB 8726268D0
- 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.)
- Granted
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)
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 true GB8726268D0 (en) | 1987-12-16 |
GB2198001A GB2198001A (en) | 1988-06-02 |
GB2198001B GB2198001B (en) | 1990-08-29 |
Family
ID=26394339
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8726268A Expired - Fee Related 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)
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 (en) * | 1993-05-25 | 1999-09-08 | Hochiki Corporation | Line fault monitoring apparatus |
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 |
Family Cites Families (5)
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 (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 |
-
1987
- 1987-10-10 KR KR870011238A patent/KR880006815A/en not_active Application Discontinuation
- 1987-11-10 GB GB8726268A patent/GB2198001B/en not_active Expired - Fee Related
- 1987-11-12 DE DE3738493A patent/DE3738493C2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR880006815A (en) | 1988-07-25 |
GB2198001B (en) | 1990-08-29 |
GB2198001A (en) | 1988-06-02 |
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 |