SE7710752L - Forfarande och anordning for overvakning av en elektrisk ledning med avseende pa kortslutningar - Google Patents

Forfarande och anordning for overvakning av en elektrisk ledning med avseende pa kortslutningar

Info

Publication number
SE7710752L
SE7710752L SE7710752A SE7710752A SE7710752L SE 7710752 L SE7710752 L SE 7710752L SE 7710752 A SE7710752 A SE 7710752A SE 7710752 A SE7710752 A SE 7710752A SE 7710752 L SE7710752 L SE 7710752L
Authority
SE
Sweden
Prior art keywords
current
signals
signal
voltage
auxiliary
Prior art date
Application number
SE7710752A
Other languages
Unknown language ( )
English (en)
Other versions
SE433404C (sv
SE433404B (sv
Inventor
M Vitins
Original Assignee
Bbc Brown Boveri & Cie
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
Application filed by Bbc Brown Boveri & Cie filed Critical Bbc Brown Boveri & Cie
Publication of SE7710752L publication Critical patent/SE7710752L/sv
Publication of SE433404B publication Critical patent/SE433404B/sv
Publication of SE433404C publication Critical patent/SE433404C/sv

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)
SE7710752A 1976-09-30 1977-09-26 Forfarande och anordning for overvakning av en elektrisk ledning med avseende pa kortslutningar SE433404C (sv)

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 true SE7710752L (sv) 1978-03-31
SE433404B SE433404B (sv) 1984-05-21
SE433404C SE433404C (sv) 1986-07-29

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
SE433404C (sv) 1986-07-29
DE2647479A1 (de) 1978-04-06
FR2366725A1 (fr) 1978-04-28
DE2647479C2 (de) 1986-03-06
CH611467A5 (sv) 1979-05-31
GB1590386A (en) 1981-06-03
SE433404B (sv) 1984-05-21
IT1087723B (it) 1985-06-04
US4179651A (en) 1979-12-18

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