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FR859000A - Selective protection device for electrical networks - Google Patents

Selective protection device for electrical networks

Info

Publication number
FR859000A
FR859000A FR859000DA FR859000A FR 859000 A FR859000 A FR 859000A FR 859000D A FR859000D A FR 859000DA FR 859000 A FR859000 A FR 859000A
Authority
FR
France
Prior art keywords
protection device
electrical networks
selective protection
selective
networks
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
Other languages
French (fr)
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.)
ABB Norden Holding AB
Original Assignee
ASEA AB
Allmanna Svenska Elektriska AB
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 ASEA AB, Allmanna Svenska Elektriska AB filed Critical ASEA AB
Application granted granted Critical
Publication of FR859000A publication Critical patent/FR859000A/en
Expired legal-status Critical Current

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
FR859000D 1938-08-12 1939-08-11 Selective protection device for electrical networks Expired FR859000A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE859000T 1938-08-12

Publications (1)

Publication Number Publication Date
FR859000A true FR859000A (en) 1940-12-07

Family

ID=1555184

Family Applications (1)

Application Number Title Priority Date Filing Date
FR859000D Expired FR859000A (en) 1938-08-12 1939-08-11 Selective protection device for electrical networks

Country Status (1)

Country Link
FR (1) FR859000A (en)

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