FR32982E - Differential protection device for electrical machines and transformers - Google Patents

Differential protection device for electrical machines and transformers

Info

Publication number
FR32982E
FR32982E FR32982DA FR32982E FR 32982 E FR32982 E FR 32982E FR 32982D A FR32982D A FR 32982DA FR 32982 E FR32982 E FR 32982E
Authority
FR
France
Prior art keywords
transformers
protection device
electrical machines
differential protection
differential
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.)
Compteurs Schlumberger SA
Original Assignee
Compteurs Schlumberger 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 Compteurs Schlumberger SA filed Critical Compteurs Schlumberger SA
Application granted granted Critical
Publication of FR32982E publication Critical patent/FR32982E/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
    • H02H7/04Emergency 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 transformers
    • H02H7/045Differential protection of transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR32982D 1927-01-29 1927-01-29 Differential protection device for electrical machines and transformers Expired FR32982E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR32982T 1927-01-29

Publications (1)

Publication Number Publication Date
FR32982E true FR32982E (en) 1928-06-06

Family

ID=8670648

Family Applications (1)

Application Number Title Priority Date Filing Date
FR32982D Expired FR32982E (en) 1927-01-29 1927-01-29 Differential protection device for electrical machines and transformers

Country Status (1)

Country Link
FR (1) FR32982E (en)

Similar Documents

Publication Publication Date Title
FR609421A (en) Advanced device for stocking protection
FR32982E (en) Differential protection device for electrical machines and transformers
FR690236A (en) Grinding and pulverizing device
FR648122A (en) Differential protective device for machines and electrical devices
GB300276A (en) Improvements in or relating to protective devices for electrical apparatus
FR625770A (en) Differential protection devices for electrical machines and transformers
FR635995A (en) Protection device for electrical installations
FR635567A (en) Carding device
GB300175A (en) An electrical teaching device
GB298490A (en) Improved protecting device for current distributing plants
FR623262A (en) Protection device for electric detonators
FR29855E (en) Protection device for electrical installations
FR33031E (en) Circuit breaker
FR648459A (en) Advertising device
FR714845A (en) Safety device for machines and electrical devices
FR31118E (en) Protective device for lifts and similar devices
FR593765A (en) Protective device for lifts and similar devices
CA275174A (en) Pole protecting device
CA267772A (en) Circuit protective apparatus
CA275636A (en) Protective device
FR34057E (en) Protection device
FR657570A (en) Security device
GB285014A (en) Computing device
FR642888A (en) Electrical contact protection device
FR644057A (en) Contactor device