KR880006815A - 고장구간 검출장치 - Google Patents
고장구간 검출장치 Download PDFInfo
- 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
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)
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)
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)
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 |
-
1987
- 1987-10-10 KR KR870011238A patent/KR880006815A/ko not_active Application Discontinuation
- 1987-11-10 GB GB8726268A patent/GB2198001B/en not_active Expired - Fee Related
- 1987-11-12 DE DE3738493A patent/DE3738493C2/de not_active Expired - Fee Related
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 |