FR876366A - Protection device for underground motors - Google Patents

Protection device for underground motors

Info

Publication number
FR876366A
FR876366A FR876366DA FR876366A FR 876366 A FR876366 A FR 876366A FR 876366D A FR876366D A FR 876366DA FR 876366 A FR876366 A FR 876366A
Authority
FR
France
Prior art keywords
protection device
underground
motors
underground motors
protection
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Application granted granted Critical
Publication of FR876366A publication Critical patent/FR876366A/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
    • H02H7/22—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 for distribution gear, e.g. bus-bar systems; for switching devices
    • H02H7/222—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 for distribution gear, e.g. bus-bar systems; for switching devices for switches
FR876366D 1940-11-05 1941-10-28 Protection device for underground motors Expired FR876366A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE876366X 1940-11-05

Publications (1)

Publication Number Publication Date
FR876366A true FR876366A (en) 1942-11-04

Family

ID=6817669

Family Applications (1)

Application Number Title Priority Date Filing Date
FR876366D Expired FR876366A (en) 1940-11-05 1941-10-28 Protection device for underground motors

Country Status (1)

Country Link
FR (1) FR876366A (en)

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