GB977157A - Improvements in distance relays - Google Patents

Improvements in distance relays

Info

Publication number
GB977157A
GB977157A GB25461/62A GB2546162A GB977157A GB 977157 A GB977157 A GB 977157A GB 25461/62 A GB25461/62 A GB 25461/62A GB 2546162 A GB2546162 A GB 2546162A GB 977157 A GB977157 A GB 977157A
Authority
GB
United Kingdom
Prior art keywords
phase
components
voltage
current
selector
Prior art date
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.)
Expired
Application number
GB25461/62A
Other languages
English (en)
Inventor
Rafael Vasquez-Jimenez
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ACEC
Umicore NV SA
Original Assignee
ACEC
Ateliers de Constructions Electriques de Charleroi SA
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 ACEC, Ateliers de Constructions Electriques de Charleroi SA filed Critical ACEC
Publication of GB977157A publication Critical patent/GB977157A/en
Expired 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
    • H02H3/38—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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/0038—Details of emergency protective circuit arrangements concerning the connection of the detecting means, e.g. for reducing their number
    • H02H1/0046—Commutating the detecting means in dependance of the fault, e.g. for reducing their number
    • 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

Landscapes

  • Emergency Protection Circuit Devices (AREA)
GB25461/62A 1961-07-04 1962-07-03 Improvements in distance relays Expired GB977157A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR866920A FR1311802A (fr) 1961-07-04 1961-07-04 Relais de distance

Publications (1)

Publication Number Publication Date
GB977157A true GB977157A (en) 1964-12-02

Family

ID=8758618

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25461/62A Expired GB977157A (en) 1961-07-04 1962-07-03 Improvements in distance relays

Country Status (5)

Country Link
BE (1) BE619711A (fr)
CH (1) CH397837A (fr)
DE (2) DE1175782B (fr)
FR (1) FR1311802A (fr)
GB (1) GB977157A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH619570A5 (fr) * 1977-09-30 1980-09-30 Bbc Brown Boveri & Cie

Also Published As

Publication number Publication date
FR1311802A (fr) 1962-12-14
DE1175782C2 (de) 1974-11-14
BE619711A (fr) 1962-11-05
CH397837A (fr) 1965-08-31
DE1175782B (de) 1964-08-13

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