FR1087225A - Dispositifs de commande électro-magnétiques - Google Patents

Dispositifs de commande électro-magnétiques

Info

Publication number
FR1087225A
FR1087225A FR1087225DA FR1087225A FR 1087225 A FR1087225 A FR 1087225A FR 1087225D A FR1087225D A FR 1087225DA FR 1087225 A FR1087225 A FR 1087225A
Authority
FR
France
Prior art keywords
electro
control devices
magnetic control
magnetic
devices
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
English (en)
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co 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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Application granted granted Critical
Publication of FR1087225A publication Critical patent/FR1087225A/fr
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
    • H02H7/08—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 dynamo-electric motors
    • H02H7/09—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 dynamo-electric motors against over-voltage; against reduction of voltage; against phase interruption
FR1087225D 1952-11-27 1953-11-17 Dispositifs de commande électro-magnétiques Expired FR1087225A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1087225X 1952-11-27

Publications (1)

Publication Number Publication Date
FR1087225A true FR1087225A (fr) 1955-02-22

Family

ID=10873084

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1087225D Expired FR1087225A (fr) 1952-11-27 1953-11-17 Dispositifs de commande électro-magnétiques

Country Status (1)

Country Link
FR (1) FR1087225A (fr)

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