SE433404B - Forfarande och anordning for overvakning av ledningar med avseende pa kortslutningar - Google Patents
Forfarande och anordning for overvakning av ledningar med avseende pa kortslutningarInfo
- Publication number
- SE433404B SE433404B SE7710752A SE7710752A SE433404B SE 433404 B SE433404 B SE 433404B SE 7710752 A SE7710752 A SE 7710752A SE 7710752 A SE7710752 A SE 7710752A SE 433404 B SE433404 B SE 433404B
- Authority
- SE
- Sweden
- Prior art keywords
- regard
- procedure
- short circuits
- monitoring wires
- wires
- Prior art date
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
- H02H3/40—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 responsive to ratio of voltage and current
-
- 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
- H02H7/265—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 making use of travelling wave theory
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Locating Faults (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Measurement Of Current Or Voltage (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1236076A CH611467A5 (sv) | 1976-09-30 | 1976-09-30 |
Publications (3)
Publication Number | Publication Date |
---|---|
SE7710752L SE7710752L (sv) | 1978-03-31 |
SE433404B true SE433404B (sv) | 1984-05-21 |
SE433404C SE433404C (sv) | 1986-10-20 |
Family
ID=4382296
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7710752A SE433404C (sv) | 1976-09-30 | 1977-09-26 | Forfarande och anordning for overvakning av en elektrisk ledning med avseende pa kortslutningar |
Country Status (7)
Country | Link |
---|---|
US (1) | US4179651A (sv) |
CH (1) | CH611467A5 (sv) |
DE (1) | DE2647479C2 (sv) |
FR (1) | FR2366725A1 (sv) |
GB (1) | GB1590386A (sv) |
IT (1) | IT1087723B (sv) |
SE (1) | SE433404C (sv) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1603891A (en) * | 1978-05-12 | 1981-12-02 | Nat Res Dev | Apparatus for sensing short circuit faults in alternating current supply lines |
US4422034A (en) * | 1980-01-22 | 1983-12-20 | Toyo Sushinki Kabushiki Kaisha | Method for measuring insulation resistance and device therefor |
AT386702B (de) * | 1985-03-07 | 1988-10-10 | Elin Union Ag | Elektronisches ueberstromrelais mit phasenwinkel- abhaengiger empfindlichkeitsumschaltung |
US4728898A (en) * | 1986-03-17 | 1988-03-01 | Staley Electric Co., Inc. | Method and apparatus for detecting and locating faults in an AC transmission line using two indicators |
GB8722695D0 (en) * | 1987-09-26 | 1987-11-04 | Adria Ltd | Hosiery finishing |
DE3838449A1 (de) * | 1988-11-12 | 1989-04-13 | Uwe Zimmermann | Einklemmschutzvorrichtung |
DE4026799A1 (de) * | 1990-08-24 | 1992-02-27 | Licentia Gmbh | Verfahren zur selektiven erfassung von fehlern der leiter in hoch- und hoechstspannungsnetzen |
DE19805722B4 (de) * | 1998-02-12 | 2007-02-08 | Sick Ag | Verfahren und Vorrichtung zur Überwachung von elektrischen Leitungen |
EP3207610B1 (de) * | 2014-12-12 | 2021-08-11 | Siemens Aktiengesellschaft | Verfahren und schutzeinrichtung zum erzeugen eines eine fehlerart eines fehlers in einem mehrphasigen elektrischen energieversorgungsnetz angebenden fehlersignals |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE516564C (de) * | 1926-04-24 | 1931-01-26 | Paul Meyer A G Dr | Verfahren zur Fehlerortsbestimmung in Wechselstromnetzen |
DE898781C (de) * | 1940-04-02 | 1953-12-03 | Aeg | Einrichtung zur Bestimmung des Fehlerortes in elektrischen Leitungsanlagen |
FR1566425A (sv) * | 1968-02-27 | 1969-05-09 | ||
FR2082416A5 (sv) * | 1970-03-13 | 1971-12-10 | Comp Generale Electricite | |
DE2032578C3 (de) * | 1970-06-26 | 1974-05-09 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Schaltungsanordnung zum Messen der Fehlerstellenentfernung bei Leitungskurzschlüssen |
CH565468A5 (sv) * | 1973-01-31 | 1975-08-15 | Bbc Brown Boveri & Cie | |
CH608916A5 (sv) * | 1975-04-28 | 1979-01-31 | Bbc Brown Boveri & Cie | |
CH610154A5 (sv) * | 1975-04-28 | 1979-03-30 | Bbc Brown Boveri & Cie | |
CH608917A5 (sv) * | 1975-06-05 | 1979-01-31 | Bbc Brown Boveri & Cie | |
CH609180A5 (sv) * | 1975-06-06 | 1979-02-15 | Bbc Brown Boveri & Cie | |
CH600644A5 (sv) * | 1975-06-19 | 1978-06-30 | Bbc Brown Boveri & Cie |
-
1976
- 1976-09-30 CH CH1236076A patent/CH611467A5/xx not_active IP Right Cessation
- 1976-10-21 DE DE2647479A patent/DE2647479C2/de not_active Expired
-
1977
- 1977-09-22 US US05/835,852 patent/US4179651A/en not_active Expired - Lifetime
- 1977-09-26 SE SE7710752A patent/SE433404C/sv not_active IP Right Cessation
- 1977-09-28 IT IT27999/77A patent/IT1087723B/it active
- 1977-09-28 FR FR7729210A patent/FR2366725A1/fr not_active Withdrawn
- 1977-09-28 GB GB40396/77A patent/GB1590386A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2647479A1 (de) | 1978-04-06 |
CH611467A5 (sv) | 1979-05-31 |
US4179651A (en) | 1979-12-18 |
GB1590386A (en) | 1981-06-03 |
DE2647479C2 (de) | 1986-03-06 |
SE433404C (sv) | 1986-10-20 |
IT1087723B (it) | 1985-06-04 |
SE7710752L (sv) | 1978-03-31 |
FR2366725A1 (fr) | 1978-04-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SE409770B (sv) | Forfarande och anordning for att kontinuerligt overvaka driftforhallanden hos komponenter i en anleggning | |
SE7601277L (sv) | Anordning och forfarande for kompensering av reaktiveffekt | |
SE416982B (sv) | Anordning vid hoj- och senkbara arbetsplattformar | |
SE7606878L (sv) | Anordning for begasning av vetskor | |
SE416241B (sv) | Anordning for overvakning av en vexelstorhet | |
SE7708174L (sv) | Kontrollforfarande och kontrollanordning for axellager | |
SE7705207L (sv) | Forfarande och anordning for drivning av palar | |
SE390706B (sv) | Forfarande och anordning vid balpress | |
AT376034B (de) | Laengenmesseinrichtung | |
SE428776B (sv) | Forfarande och anordning for framstellning av ror av tverbunden hd-polyeten | |
SE405645B (sv) | Forfarande och anordning for detektering av kortslutningar pa ledningar | |
SE7614345L (sv) | Anordning och forfarande for extrusion | |
SE433404B (sv) | Forfarande och anordning for overvakning av ledningar med avseende pa kortslutningar | |
SE7600833L (sv) | Forfarande och anordning vid filter | |
PL201045A1 (pl) | Sposob i urzadzenie do wytwarzania wlokien | |
SE7603245L (sv) | Forfarande for framstellning av endstopp vid blixtlas | |
PL199423A1 (pl) | Sposob przedzenia przedzy z koncem swobodnym oraz urzadzenie do przedzenia przedzy z koncem swobodnym | |
SE419925B (sv) | Anordning for overvakning och korrektion av signaler | |
SE7803624L (sv) | Sett och anordning for overvakning av kortslutningar | |
AT348900B (de) | Ueberwachungseinrichtung | |
AT381793B (de) | Laengenmesseinrichtung | |
IT1061660B (it) | Dispositivo per filare e ritorcere | |
SE434024B (sv) | Skeranordning | |
PL198913A1 (pl) | Sposob i urzadzenie do wytwarzania przezroczystych tasm | |
SE7712435L (sv) | Forfarande och anordning vid gjutning |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
Ref document number: 7710752-2 Effective date: 19910409 Format of ref document f/p: F |