BE649267A - - Google Patents

Info

Publication number
BE649267A
BE649267A BE649267DA BE649267A BE 649267 A BE649267 A BE 649267A BE 649267D A BE649267D A BE 649267DA BE 649267 A BE649267 A BE 649267A
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.)
Filing date
Publication date
Application filed filed Critical
Publication of BE649267A publication Critical patent/BE649267A/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
    • H02H3/402—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 using homopolar quantities
    • 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
    • H02H3/385—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 using at least one homopolar quantity
    • 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
    • H02H7/267—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 for parallel lines and wires
BE649267D 1963-06-17 1964-06-15 BE649267A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH748863A CH409086A (de) 1963-06-17 1963-06-17 Distanzschutzanordnung für parallele Leitungen in Netzen mit geerdetem Sternpunkt

Publications (1)

Publication Number Publication Date
BE649267A true BE649267A (de) 1964-10-01

Family

ID=4325900

Family Applications (1)

Application Number Title Priority Date Filing Date
BE649267D BE649267A (de) 1963-06-17 1964-06-15

Country Status (3)

Country Link
US (1) US3320481A (de)
BE (1) BE649267A (de)
CH (1) CH409086A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2418560A1 (fr) * 1978-02-23 1979-09-21 Enertec Detection de la position d'un defaut sur une ligne electrique
IN155998B (de) * 1980-03-21 1985-04-20 Gen Electrics Company Limited

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2902625A (en) * 1956-02-06 1959-09-01 Gen Electric Protective relaying system for an electric power transmission circuit
US2971131A (en) * 1956-12-19 1961-02-07 Gen Electric Protective relaying system for an electric power transmission circuit

Also Published As

Publication number Publication date
US3320481A (en) 1967-05-16
CH409086A (de) 1966-03-15

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