FR680001A - Improvements to protection devices for electrical circuits - Google Patents

Improvements to protection devices for electrical circuits

Info

Publication number
FR680001A
FR680001A FR680001DA FR680001A FR 680001 A FR680001 A FR 680001A FR 680001D A FR680001D A FR 680001DA FR 680001 A FR680001 A FR 680001A
Authority
FR
France
Prior art keywords
electrical circuits
protection devices
circuits
electrical
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.)
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 FR680001A publication Critical patent/FR680001A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/20—Instruments transformers
    • H01F38/22—Instruments transformers for single phase ac
    • H01F38/28—Current transformers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/42—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils
    • H01F27/422—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils for instrument transformers
    • H01F27/427—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils for instrument transformers for current transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR680001D 1928-03-06 1929-03-06 Improvements to protection devices for electrical circuits Expired FR680001A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB680001X 1928-03-06

Publications (1)

Publication Number Publication Date
FR680001A true FR680001A (en) 1930-04-24

Family

ID=10492382

Family Applications (1)

Application Number Title Priority Date Filing Date
FR680001D Expired FR680001A (en) 1928-03-06 1929-03-06 Improvements to protection devices for electrical circuits

Country Status (1)

Country Link
FR (1) FR680001A (en)

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