FR758614A - Improvements to electrical transformers - Google Patents

Improvements to electrical transformers

Info

Publication number
FR758614A
FR758614A FR758614DA FR758614A FR 758614 A FR758614 A FR 758614A FR 758614D A FR758614D A FR 758614DA FR 758614 A FR758614 A FR 758614A
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)
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 FR758614A publication Critical patent/FR758614A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
    • H01F29/02—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
    • H02M5/02—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc
    • H02M5/04—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters
    • H02M5/10—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using transformers
    • H02M5/12—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using transformers for conversion of voltage or current amplitude only
FR758614D 1932-07-28 1933-07-19 Improvements to electrical transformers Expired FR758614A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US62524532 US1916007A (en) 1932-07-28 1932-07-28 Transformer

Publications (1)

Publication Number Publication Date
FR758614A true FR758614A (en) 1934-01-19

Family

ID=32326906

Family Applications (1)

Application Number Title Priority Date Filing Date
FR758614D Expired FR758614A (en) 1932-07-28 1933-07-19 Improvements to electrical transformers

Country Status (3)

Country Link
US (1) US1916007A (en)
FR (1) FR758614A (en)
GB (1) GB404233A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3883829A (en) * 1974-05-22 1975-05-13 Bell Telephone Labor Inc Transformer with adjustable turns ratio

Also Published As

Publication number Publication date
GB404233A (en) 1934-01-11
US1916007A (en) 1933-06-27

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