JPS4715499B1 - - Google Patents

Info

Publication number
JPS4715499B1
JPS4715499B1 JP5646867A JP5646867A JPS4715499B1 JP S4715499 B1 JPS4715499 B1 JP S4715499B1 JP 5646867 A JP5646867 A JP 5646867A JP 5646867 A JP5646867 A JP 5646867A JP S4715499 B1 JPS4715499 B1 JP S4715499B1
Authority
JP
Japan
Legal status (The legal status 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 status listed.)
Pending
Application number
JP5646867A
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 filed Critical
Publication of JPS4715499B1 publication Critical patent/JPS4715499B1/ja
Pending legal-status Critical Current

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)
JP5646867A 1966-09-13 1967-09-04 Pending JPS4715499B1 (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
JPS4715499B1 true JPS4715499B1 (ja) 1972-05-09

Family

ID=19909706

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5646867A Pending JPS4715499B1 (ja) 1966-09-13 1967-09-04

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
DK132727C (da) 1976-06-21
US3474333A (en) 1969-10-21
SE343146B (ja) 1972-02-28
DK132727B (da) 1976-01-26
DE1591882A1 (de) 1971-01-07

Similar Documents

Publication Publication Date Title
FI43451B (ja)
AT281852B (ja)
AU5917865A (ja)
AU428063B2 (ja)
AU424443B2 (ja)
AU414526B2 (ja)
AU433222B2 (ja)
AU421822B2 (ja)
AU417216B2 (ja)
AU218666A (ja)
AU5895065A (ja)
AU6703465A (ja)
AU1144366A (ja)
AU612166A (ja)
AU1111066A (ja)
BE674987A (ja)
AU407778B2 (ja)
AU1027866A (ja)
BE680949A (ja)
BE680879A (ja)
BE689590A (ja)
BE676659A (ja)
BE675139A (ja)
BE675084A (ja)
BE690290A (ja)