BE484525A - - Google Patents

Info

Publication number
BE484525A
BE484525A BE484525DA BE484525A BE 484525 A BE484525 A BE 484525A BE 484525D A BE484525D A BE 484525DA BE 484525 A BE484525 A BE 484525A
Authority
BE
Belgium
Application number
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.)
Publication of BE484525A publication Critical patent/BE484525A/xx

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
    • H02H7/261—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 involving signal transmission between at least two stations
    • H02H7/262—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 involving signal transmission between at least two stations involving transmissions of switching or blocking orders
BE484525D 1947-08-28 BE484525A (ar)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US771053A US2525393A (en) 1947-08-28 1947-08-28 Transfer-tripping carrier-current relaying system

Publications (1)

Publication Number Publication Date
BE484525A true BE484525A (ar)

Family

ID=25090546

Family Applications (1)

Application Number Title Priority Date Filing Date
BE484525D BE484525A (ar) 1947-08-28

Country Status (2)

Country Link
US (1) US2525393A (ar)
BE (1) BE484525A (ar)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2991397A (en) * 1957-10-31 1961-07-04 Femco Inc Protective system for detecting breakdown resistance that would cause a short or ground of a power circuit
US3414773A (en) * 1966-08-25 1968-12-03 Wayne Electronic Products Comp Automatic relay carrier circuitry for testing multiple terminal points employing timer sampling means

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB320067A (en) * 1928-06-21 1929-09-23 Reginald Otto Kapp Improvements in or relating to protective arrangements for electric power lines or the like
GB418060A (en) * 1932-04-15 1934-10-12 Westinghouse Electric & Mfg Co Improvements in or relating to electric cut-out or protective systems
FR760554A (fr) * 1932-08-08 1934-02-26 Siemens Ag Couplage protecteur
GB499512A (en) * 1937-08-20 1939-01-25 Gen Electric Co Ltd Improvements in or relating to carrier signalling systems applicable to electric protection systems
US2408868A (en) * 1944-05-10 1946-10-08 Westinghouse Electric Corp Carrier-current phase-angle relaying system

Also Published As

Publication number Publication date
US2525393A (en) 1950-10-10

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