IT7923065A0 - Procedimento e dispositivo per la determinazione della direzione di guasto. - Google Patents

Procedimento e dispositivo per la determinazione della direzione di guasto.

Info

Publication number
IT7923065A0
IT7923065A0 IT7923065A IT2306579A IT7923065A0 IT 7923065 A0 IT7923065 A0 IT 7923065A0 IT 7923065 A IT7923065 A IT 7923065A IT 2306579 A IT2306579 A IT 2306579A IT 7923065 A0 IT7923065 A0 IT 7923065A0
Authority
IT
Italy
Prior art keywords
failure
procedure
determining
Prior art date
Application number
IT7923065A
Other languages
English (en)
Other versions
IT1120913B (it
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 IT7923065A0 publication Critical patent/IT7923065A0/it
Application granted granted Critical
Publication of IT1120913B publication Critical patent/IT1120913B/it

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, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
IT23065/79A 1978-06-01 1979-05-29 Procedimento e dispositivo per la determinazione della direzione di guasto IT1120913B (it)

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
IT7923065A0 true IT7923065A0 (it) 1979-05-29
IT1120913B IT1120913B (it) 1986-03-26

Family

ID=4305901

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23065/79A IT1120913B (it) 1978-06-01 1979-05-29 Procedimento e dispositivo per la determinazione della direzione di guasto

Country Status (12)

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

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 (it) * 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 (it) * 1977-04-01 1979-06-29 Bbc Brown Boveri & Cie

Also Published As

Publication number Publication date
US4308565A (en) 1981-12-29
CA1137611A (en) 1982-12-14
GB2025169B (en) 1983-03-02
NL7904237A (nl) 1979-12-04
SE7904605L (sv) 1979-12-02
PT69699A (de) 1979-06-01
YU112179A (en) 1982-10-31
DE2827565C2 (de) 1985-06-13
IT1120913B (it) 1986-03-26
DE2827565A1 (de) 1979-12-06
FR2427720A1 (fr) 1979-12-28
YU159982A (en) 1985-10-31
BR7903400A (pt) 1980-01-15
CH640675A5 (de) 1984-01-13
SE443686B (sv) 1986-03-03
GB2025169A (en) 1980-01-16

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