FR679137A - Improvements to protection systems for electrical circuits - Google Patents

Improvements to protection systems for electrical circuits

Info

Publication number
FR679137A
FR679137A FR679137DA FR679137A FR 679137 A FR679137 A FR 679137A FR 679137D A FR679137D A FR 679137DA FR 679137 A FR679137 A FR 679137A
Authority
FR
France
Prior art keywords
electrical circuits
protection systems
systems
protection
circuits
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston 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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR679137A publication Critical patent/FR679137A/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
    • H02H7/267—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
FR679137D 1928-05-14 1929-05-14 Improvements to protection systems for electrical circuits Expired FR679137A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US679137XA 1928-05-14 1928-05-14

Publications (1)

Publication Number Publication Date
FR679137A true FR679137A (en) 1930-04-09

Family

ID=22079230

Family Applications (1)

Application Number Title Priority Date Filing Date
FR679137D Expired FR679137A (en) 1928-05-14 1929-05-14 Improvements to protection systems for electrical circuits

Country Status (1)

Country Link
FR (1) FR679137A (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

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