SE343146B - - Google Patents

Info

Publication number
SE343146B
SE343146B SE12638/67A SE1263867A SE343146B SE 343146 B SE343146 B SE 343146B SE 12638/67 A SE12638/67 A SE 12638/67A SE 1263867 A SE1263867 A SE 1263867A SE 343146 B SE343146 B SE 343146B
Authority
SE
Sweden
Application number
SE12638/67A
Inventor
H Hoel
Original Assignee
Jacobsens N Elektriske Verkste
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 Jacobsens N Elektriske Verkste filed Critical Jacobsens N Elektriske Verkste
Publication of SE343146B publication Critical patent/SE343146B/xx

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
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Locating Faults (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Apparatus For Making Beverages (AREA)
SE12638/67A 1966-09-13 1967-09-13 SE343146B (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO164704A NO116208B (ja) 1966-09-13 1966-09-13

Publications (1)

Publication Number Publication Date
SE343146B true SE343146B (ja) 1972-02-28

Family

ID=19909706

Family Applications (1)

Application Number Title Priority Date Filing Date
SE12638/67A SE343146B (ja) 1966-09-13 1967-09-13

Country Status (9)

Country Link
US (1) US3474333A (ja)
JP (1) JPS4715499B1 (ja)
CH (1) CH453495A (ja)
DE (1) DE1591882C3 (ja)
DK (1) DK132727C (ja)
FI (1) FI43451B (ja)
GB (1) GB1204901A (ja)
NO (1) NO116208B (ja)
SE (1) SE343146B (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1192640A (en) * 1967-09-22 1970-05-20 English Electric Co Ltd Improvements in Distance Relays
FR1566425A (ja) * 1968-02-27 1969-05-09
FR2070638A5 (ja) * 1969-12-11 1971-09-10 Compteurs Comp D
US3599044A (en) * 1970-04-30 1971-08-10 Fuji Electric Co Ltd Superhigh-speed relaying system and apparatus for protection of power systems
FR2380631A1 (fr) * 1977-02-09 1978-09-08 Schlumberger Compteurs Relais directionnel
JPS55125025A (en) * 1979-03-19 1980-09-26 Tokyo Electric Power Co Digital distance relay
US4371907A (en) * 1981-08-11 1983-02-01 Westinghouse Canada Inc. Protective relay apparatus and methods for protecting electrical power transmission lines
US4471294A (en) * 1982-10-29 1984-09-11 The United States Of America As Represented By The Secretary Of The Army Electrical conduit defect location
US8941387B2 (en) 2010-10-12 2015-01-27 Howard University Apparatus and method for fault detection and location determination
GB201522489D0 (en) 2015-12-21 2016-02-03 Rolls Royce Plc Electrical fault location method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB991198A (en) * 1962-12-07 1965-05-05 Ass Elect Ind Improvements in and relating to apparatus for detecting the location of an electric line fault

Also Published As

Publication number Publication date
FI43451B (ja) 1970-12-31
NO116208B (ja) 1969-02-17
CH453495A (fr) 1968-06-14
GB1204901A (en) 1970-09-09
DE1591882B2 (de) 1976-04-08
DE1591882C3 (de) 1979-08-16
JPS4715499B1 (ja) 1972-05-09
DK132727C (da) 1976-06-21
US3474333A (en) 1969-10-21
DK132727B (da) 1976-01-26
DE1591882A1 (de) 1971-01-07

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