FR492201A - Improvements to electrical transformers - Google Patents

Improvements to electrical transformers

Info

Publication number
FR492201A
FR492201A FR492201DA FR492201A FR 492201 A FR492201 A FR 492201A FR 492201D A FR492201D A FR 492201DA FR 492201 A FR492201 A FR 492201A
Authority
FR
France
Prior art keywords
electrical transformers
transformers
electrical
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)
Inventor
Frederick Edmund Berry
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR492201A publication Critical patent/FR492201A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F30/00—Fixed transformers not covered by group H01F19/00
    • H01F30/06—Fixed transformers not covered by group H01F19/00 characterised by the structure
    • H01F30/12—Two-phase, three-phase or polyphase transformers
    • H01F30/14—Two-phase, three-phase or polyphase transformers for changing the number of phases

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR492201D 1917-10-30 1918-10-08 Improvements to electrical transformers Expired FR492201A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB492201X 1917-10-30

Publications (1)

Publication Number Publication Date
FR492201A true FR492201A (en) 1919-07-02

Family

ID=1528110

Family Applications (1)

Application Number Title Priority Date Filing Date
FR492201D Expired FR492201A (en) 1917-10-30 1918-10-08 Improvements to electrical transformers

Country Status (1)

Country Link
FR (1) FR492201A (en)

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