FR814965A - Line protection device by high frequency signals - Google Patents

Line protection device by high frequency signals

Info

Publication number
FR814965A
FR814965A FR814965DA FR814965A FR 814965 A FR814965 A FR 814965A FR 814965D A FR814965D A FR 814965DA FR 814965 A FR814965 A FR 814965A
Authority
FR
France
Prior art keywords
high frequency
protection device
frequency signals
line protection
line
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.)
Siemens Schuckertwerke AG
Siemens AG
Original Assignee
Siemens Schuckertwerke AG
Siemens AG
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 Siemens Schuckertwerke AG, Siemens AG filed Critical Siemens Schuckertwerke AG
Application granted granted Critical
Publication of FR814965A publication Critical patent/FR814965A/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
FR814965D 1935-08-02 1936-07-31 Line protection device by high frequency signals Expired FR814965A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES119260D DE646878C (en) 1935-08-02 1935-08-02 Selective protection device for electrical lines

Publications (1)

Publication Number Publication Date
FR814965A true FR814965A (en) 1937-07-03

Family

ID=7534822

Family Applications (1)

Application Number Title Priority Date Filing Date
FR814965D Expired FR814965A (en) 1935-08-02 1936-07-31 Line protection device by high frequency signals

Country Status (2)

Country Link
DE (1) DE646878C (en)
FR (1) FR814965A (en)

Also Published As

Publication number Publication date
DE646878C (en) 1937-06-23

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