FR713731A - Improvements to protection systems for dynamoelectric machines - Google Patents

Improvements to protection systems for dynamoelectric machines

Info

Publication number
FR713731A
FR713731A FR713731DA FR713731A FR 713731 A FR713731 A FR 713731A FR 713731D A FR713731D A FR 713731DA FR 713731 A FR713731 A FR 713731A
Authority
FR
France
Prior art keywords
protection systems
dynamoelectric machines
dynamoelectric
machines
systems
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 FR713731A publication Critical patent/FR713731A/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
    • H02H7/08—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
FR713731D 1930-03-05 1931-03-05 Improvements to protection systems for dynamoelectric machines Expired FR713731A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US713731XA 1930-03-05 1930-03-05

Publications (1)

Publication Number Publication Date
FR713731A true FR713731A (en) 1931-10-31

Family

ID=22100893

Family Applications (1)

Application Number Title Priority Date Filing Date
FR713731D Expired FR713731A (en) 1930-03-05 1931-03-05 Improvements to protection systems for dynamoelectric machines

Country Status (1)

Country Link
FR (1) FR713731A (en)

Similar Documents

Publication Publication Date Title
FR657761A (en) Improvements made to machine cooling systems
FR724895A (en) Improvements to accounting machines
FR736325A (en) Improvements to tabulating machines
FR737976A (en) Improvements to tabulating machines
FR674596A (en) Improvements to tuning systems for petroleum-electric locomotives
FR714881A (en) Improvements to television systems
FR713731A (en) Improvements to protection systems for dynamoelectric machines
FR822065A (en) Improvements to network protection systems
FR723025A (en) Improvements to tabulating machines
FR717563A (en) Improvements to accounting machines
FR724142A (en) Improvements to tabulating machines
FR688844A (en) Improvements to electrical machines
FR722028A (en) Improvements to protection systems for electrical circuits
FR712450A (en) Improvements to accounting machines
FR727926A (en) Improvements to dynamo-electric machines
FR721406A (en) Improvements to electrical telecommunications systems
FR38460E (en) Improvements to synchronous machine starting systems
FR662049A (en) Improvements to cooling systems for electrical machines
FR714507A (en) Improvements to tabulating machines
FR670810A (en) Improvements to the adjustment systems of electric machines
FR724804A (en) Improvements to service boxes
FR724816A (en) Improvements to dynamo-electric machines
FR679137A (en) Improvements to protection systems for electrical circuits
FR36102E (en) Improvements to control systems for electrical machines
FR36849E (en) Improvements to electrical protection systems