FR563498A - Improvements to electrical protective systems - Google Patents

Improvements to electrical protective systems

Info

Publication number
FR563498A
FR563498A FR563498DA FR563498A FR 563498 A FR563498 A FR 563498A FR 563498D A FR563498D A FR 563498DA FR 563498 A FR563498 A FR 563498A
Authority
FR
France
Prior art keywords
electrical protective
protective systems
systems
electrical
protective
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.)
Electrical Improvements Ltd
Original Assignee
Electrical Improvements Ltd
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 Electrical Improvements Ltd filed Critical Electrical Improvements Ltd
Application granted granted Critical
Publication of FR563498A publication Critical patent/FR563498A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00Emergency 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
    • H02H7/26Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
    • H02H7/267Sectionalised 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
FR563498D 1923-03-10 1923-03-10 Improvements to electrical protective systems Expired FR563498A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR563498T 1923-03-10

Publications (1)

Publication Number Publication Date
FR563498A true FR563498A (en) 1923-12-06

Family

ID=8945067

Family Applications (1)

Application Number Title Priority Date Filing Date
FR563498D Expired FR563498A (en) 1923-03-10 1923-03-10 Improvements to electrical protective systems

Country Status (1)

Country Link
FR (1) FR563498A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2590992A1 (en) * 1985-12-04 1987-06-05 Enertec METHOD AND DEVICE FOR DISCRIMINATION OF A DEFECTIVE DRIVER IN A MULTIPLE LINE

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2590992A1 (en) * 1985-12-04 1987-06-05 Enertec METHOD AND DEVICE FOR DISCRIMINATION OF A DEFECTIVE DRIVER IN A MULTIPLE LINE
EP0229547A1 (en) * 1985-12-04 1987-07-22 GEC ALSTHOM PROTECTION & CONTROLE Process and device for pinpointing a faulty conductor in a multiple line

Similar Documents

Publication Publication Date Title
FR561507A (en) Improvements to telegraph systems
FR606884A (en) Improvements to thermometric systems
FR563498A (en) Improvements to electrical protective systems
FR588702A (en) Improvements to electrical signaling systems
FR27593E (en) Targette refinements
FR591595A (en) Improvements to current transformer systems
FR622737A (en) Improvements to power line systems
FR584477A (en) Improvement in insulating systems
FR562274A (en) Improvements to telephone systems
FR590656A (en) Improvements to telephone systems
FR585259A (en) Improvements to telephone systems
FR571485A (en) Improvements to telephone systems
FR582145A (en) Improvements to insulators
FR553938A (en) Improvements to telegraph systems
FR569300A (en) Improvements to telegraph systems
FR594415A (en) Improvements to electrical regulation systems
FR586904A (en) Improvements to electrical distribution systems
FR587629A (en) Improvements to electric cables
FR569938A (en) Improvements to radiocommunications systems
FR662460A (en) Improvements to electrical protection systems
FR590175A (en) Improvements to automatic telephone systems
FR606054A (en) Improvements to current transformation systems
FR558241A (en) Improvements to distribution systems
FR588280A (en) Improvements to electrical regulation systems
FR609546A (en) Improvements to electrical current transformation systems