GB1473514A - Electrical transformers - Google Patents

Electrical transformers

Info

Publication number
GB1473514A
GB1473514A GB1919474A GB1919474A GB1473514A GB 1473514 A GB1473514 A GB 1473514A GB 1919474 A GB1919474 A GB 1919474A GB 1919474 A GB1919474 A GB 1919474A GB 1473514 A GB1473514 A GB 1473514A
Authority
GB
United Kingdom
Prior art keywords
winding
referred
thick
windings
primary
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
GB1919474A
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.)
Heurtey Metallurgie SA
Original Assignee
Heurtey Metallurgie 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 Heurtey Metallurgie SA filed Critical Heurtey Metallurgie SA
Publication of GB1473514A publication Critical patent/GB1473514A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2847—Sheets; Strips
    • 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
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2847—Sheets; Strips
    • H01F2027/2857—Coil formed from wound foil conductor

Abstract

1473514 Transformers HEURTEY METALLURGIE 1 May 1974 [2 May 1973] 19194/74 Heading HIT A transformer comprises three or more windings each formed from metal foil (e.g. copper foil, 0À05 mm thick). As described the windings surround each other, the inner winding S (referred to as a secondary) having a thickened inner turn (1 to 2 mm thick), which functions as a mandrel and may also form part of a fluid cooling arrangement, the intermediate winding P (referred to as a primary) having a thickened outer turn (at least 2 mm thick and possibly of a different metal), said to reduce corona discharge, and the outer winding P<SP>1</SP> (referred to as an auxiliary primary) being wound in the opposite sense to, and having substantially the same number of turns as, the winding P. Adjacent turns are separated by PTFE insulation. In a modification, a fourth winding (S<SP>1</SP>, Fig. 7, not shown) (referred to as an auxiliary secondary), is provided. The windings may be interconnected as in Figs. 6 and 7 (not shown), or the winding P<SP>1</SP> may be left floating, in which case a potential gradient is developed along it to progressively reduce the value of the high voltage V 2 to the value zero.
GB1919474A 1973-05-02 1974-05-01 Electrical transformers Expired GB1473514A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7315794A FR2228281B1 (en) 1973-05-02 1973-05-02

Publications (1)

Publication Number Publication Date
GB1473514A true GB1473514A (en) 1977-05-11

Family

ID=9118723

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1919474A Expired GB1473514A (en) 1973-05-02 1974-05-01 Electrical transformers

Country Status (6)

Country Link
BE (1) BE813893A (en)
DE (1) DE2421257C3 (en)
ES (1) ES425893A1 (en)
FR (1) FR2228281B1 (en)
GB (1) GB1473514A (en)
IT (1) IT1011323B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2428969A3 (en) * 2010-08-09 2014-02-19 Parspour, Nejila Coil arrangement for an inductive charging device

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE413716B (en) * 1978-05-02 1980-06-16 Asea Ab POWER TRANSFORMER OR REACTOR
IT1226209B (en) * 1988-12-16 1990-12-21 Ducati Energia Spa ELECTRONIC IGNITION DEVICE FOR SMALL ENDOTHERMAL ENGINES
WO1993018528A1 (en) * 1992-03-05 1993-09-16 Siemens Aktiengesellschaft Coil for high-voltage transformer

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE532890C (en) * 1931-09-10 Kurt Fischer Dr Ing Transformer with the usual primary and secondary winding
US217466A (en) * 1879-07-15 Improvement in electric induction-coils
GB624747A (en) * 1947-04-18 1949-06-15 Standard Telephones Cables Ltd Improvements in or relating to high frequency electric heating equipment comprising a transformer
FR1044481A (en) * 1950-12-08 1953-11-17 Cinema Television Ltd Transformer winding
FR1159580A (en) * 1955-02-09 1958-06-30 Reynolds Metals Co Electromagnetic windings in aluminum strips and their manufacturing process
BE552350A (en) * 1955-11-05
US3153216A (en) * 1958-08-11 1964-10-13 Westinghouse Electric Corp Winding arrangement for electrical inductive apparatus
DE1220031B (en) * 1961-12-02 1966-06-30 Siemens Ag Winding from strip-shaped conductor material for transformers
US3209241A (en) * 1962-06-13 1965-09-28 Westinghouse Electric Corp Regulating and current limiting transformer system
FR1384779A (en) * 1963-11-27 1965-01-08 Applic Electro Thermiques Soc Aperiodic matching transformer generator
US3688323A (en) * 1970-09-04 1972-09-05 Robert F Bruck Apparatus for chasing and repairing threads

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2428969A3 (en) * 2010-08-09 2014-02-19 Parspour, Nejila Coil arrangement for an inductive charging device

Also Published As

Publication number Publication date
ES425893A1 (en) 1976-06-16
DE2421257B2 (en) 1976-10-28
IT1011323B (en) 1977-01-20
DE2421257A1 (en) 1975-02-27
DE2421257C3 (en) 1981-12-24
BE813893A (en) 1974-08-16
FR2228281A1 (en) 1974-11-29
FR2228281B1 (en) 1978-09-08

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930501