SE443686B - Forfarande och anordning for bestemning av felriktningen relativt ett metstelle vid elektriska ledningar med lengskondensator - Google Patents

Forfarande och anordning for bestemning av felriktningen relativt ett metstelle vid elektriska ledningar med lengskondensator

Info

Publication number
SE443686B
SE443686B SE7904605A SE7904605A SE443686B SE 443686 B SE443686 B SE 443686B SE 7904605 A SE7904605 A SE 7904605A SE 7904605 A SE7904605 A SE 7904605A SE 443686 B SE443686 B SE 443686B
Authority
SE
Sweden
Prior art keywords
impedance
line
imaging
measuring point
signal
Prior art date
Application number
SE7904605A
Other languages
English (en)
Swedish (sv)
Other versions
SE7904605L (sv
Inventor
Mesmaeker I De
P Muller
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 SE7904605L publication Critical patent/SE7904605L/
Publication of SE443686B publication Critical patent/SE443686B/sv

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
    • H02H7/30—Staggered disconnection
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/16—Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line
    • 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
    • H02H3/38—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 both voltage and current; responsive to phase angle between voltage and current
    • H02H3/382—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 both voltage and current; responsive to phase angle between voltage and current involving phase comparison between current and voltage or between values derived from current and voltage

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Locating Faults (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
SE7904605A 1978-06-01 1979-05-28 Forfarande och anordning for bestemning av felriktningen relativt ett metstelle vid elektriska ledningar med lengskondensator SE443686B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH620378A CH640675A5 (de) 1978-06-01 1978-06-01 Verfahren und einrichtung zur fehlerrichtungsbestimmung bezueglich eines messortes an elektrischen leitungen.

Publications (2)

Publication Number Publication Date
SE7904605L SE7904605L (sv) 1979-12-02
SE443686B true SE443686B (sv) 1986-03-03

Family

ID=4305901

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7904605A SE443686B (sv) 1978-06-01 1979-05-28 Forfarande och anordning for bestemning av felriktningen relativt ett metstelle vid elektriska ledningar med lengskondensator

Country Status (12)

Country Link
US (1) US4308565A (pt)
BR (1) BR7903400A (pt)
CA (1) CA1137611A (pt)
CH (1) CH640675A5 (pt)
DE (1) DE2827565C2 (pt)
FR (1) FR2427720A1 (pt)
GB (1) GB2025169B (pt)
IT (1) IT1120913B (pt)
NL (1) NL7904237A (pt)
PT (1) PT69699A (pt)
SE (1) SE443686B (pt)
YU (2) YU112179A (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH635710A5 (de) * 1979-01-03 1983-04-15 Bbc Brown Boveri & Cie Einrichtung fuer den fehlerrichtungs-vergleichsschutz fuer eine leitung eines elektrischen netzes.
JPS60180424A (ja) * 1984-02-28 1985-09-14 三菱電機株式会社 短絡距離継電器
AU582039B2 (en) * 1986-03-07 1989-03-09 Mitsubishi Denki Kabushiki Kaisha Fault point locating method, fault point resistance measuring method, and impendance to fault point measuring method and apparatuses therefor
JP2003070151A (ja) * 2001-08-27 2003-03-07 Toshiba Corp 保護継電装置
DE102004044519A1 (de) 2004-09-15 2006-03-30 Wieland-Werke Ag Gleitkörper und Verfahren zur Herstellung eines Gleitkörpers sowie dessen Verwendung
US7969155B2 (en) * 2007-07-03 2011-06-28 Thomas & Betts International, Inc. Directional fault current indicator

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH320547A (de) * 1954-07-10 1957-03-31 Bbc Brown Boveri & Cie Schutzschaltung für Hochspannungsleitungen mit Seriekondensatoren
US3303390A (en) * 1963-06-07 1967-02-07 Westinghouse Electric Corp Distance relaying
CH525578A (de) * 1970-12-14 1972-07-15 Bbc Brown Boveri & Cie Distanzrelais für Mehrphasennetze
CH585477A5 (pt) * 1975-05-09 1977-02-28 Sprecher & Schuh Ag
US4092690A (en) * 1977-01-31 1978-05-30 General Electric Company Protective relay circuit providing a combined distance and overcurrent function
CH612046A5 (pt) * 1977-04-01 1979-06-29 Bbc Brown Boveri & Cie

Also Published As

Publication number Publication date
CH640675A5 (de) 1984-01-13
FR2427720A1 (fr) 1979-12-28
PT69699A (de) 1979-06-01
DE2827565A1 (de) 1979-12-06
GB2025169A (en) 1980-01-16
SE7904605L (sv) 1979-12-02
DE2827565C2 (de) 1985-06-13
YU159982A (en) 1985-10-31
CA1137611A (en) 1982-12-14
NL7904237A (nl) 1979-12-04
IT1120913B (it) 1986-03-26
GB2025169B (en) 1983-03-02
US4308565A (en) 1981-12-29
IT7923065A0 (it) 1979-05-29
YU112179A (en) 1982-10-31
BR7903400A (pt) 1980-01-15

Similar Documents

Publication Publication Date Title
US4825327A (en) Negative and zero sequence directional overcurrent unit for AC power transmission line protection
US4821137A (en) Positive sequence distance relay for AC power transmission line protection
US4161011A (en) Ground distance relay employing phase comparator measurement
US4034269A (en) Protective relay circuits
KR100840478B1 (ko) 전력 전송 라인용 라인 차동 보호 시스템
US4296452A (en) Multiphase fault protection circuitry with variable functional level detection
SE409153B (sv) Releskydd med trefasutlosning vid underspenning
US4686601A (en) Ground distance relay for AC power transmission line protection
US4420788A (en) Phase relay for AC power transmission line protection
SE461001B (sv) Koppling foer kompensering av reaktiv effekt i ett vaexelspaenningsnaet
SE443686B (sv) Forfarande och anordning for bestemning av felriktningen relativt ett metstelle vid elektriska ledningar med lengskondensator
EP0319151B1 (en) Circuit to prevent uncontrolled tripping of a protective relay
US4589050A (en) Method and apparatus for the protection of a thyristor power conversion system
SE418556B (sv) Skyddsrelekrets
US3532935A (en) Static network protective relay
EP0316202B1 (en) Selecting a faulty phase in a multi-phase electrical power system
Benmouyal et al. Performance comparison between Mho elements and incremental quantity-based distance elements
US4317151A (en) Apparatus for fault direction-comparison protection
US4296451A (en) Ultra high speed protective relay circuit
US3413523A (en) Protective relay for an electrical system
RU2578123C1 (ru) Устройство защиты электрических сетей от однофазных замыканий на землю
CA1311828C (en) Positive sequence distance relay for ac power transmission line protection
SU890511A1 (ru) Реле сопротивлени дл защиты от короткого замыкани на землю
SU1359851A1 (ru) Дифференциальное реле сопротивлени дл защиты батареи статических конденсаторов
SU657502A1 (ru) Устройство дл защиты электроустановки от перегрузки

Legal Events

Date Code Title Description
NUG Patent has lapsed

Ref document number: 7904605-8

Effective date: 19900518

Format of ref document f/p: F