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US3366907A - Core-form transformer pressure ring wound from magnetic material - Google Patents

Core-form transformer pressure ring wound from magnetic material Download PDF

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Publication number
US3366907A
US3366907A US502147A US50214765A US3366907A US 3366907 A US3366907 A US 3366907A US 502147 A US502147 A US 502147A US 50214765 A US50214765 A US 50214765A US 3366907 A US3366907 A US 3366907A
Authority
US
United States
Prior art keywords
core
magnetic material
pressure ring
transformer pressure
form transformer
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 - Lifetime
Application number
US502147A
Inventor
Earl W Tipton
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.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Priority to US502147A priority Critical patent/US3366907A/en
Priority to GB45181/66A priority patent/GB1124165A/en
Priority to FR81192A priority patent/FR1497314A/en
Application granted granted Critical
Publication of US3366907A publication Critical patent/US3366907A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
    • H01F27/303—Clamping coils, windings or parts thereof together
    • 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
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36—Electric or magnetic shields or screens
    • 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
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36—Electric or magnetic shields or screens
    • H01F27/366—Electric or magnetic shields or screens made of ferromagnetic material

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Insulating Of Coils (AREA)
US502147A 1965-10-22 1965-10-22 Core-form transformer pressure ring wound from magnetic material Expired - Lifetime US3366907A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US502147A US3366907A (en) 1965-10-22 1965-10-22 Core-form transformer pressure ring wound from magnetic material
GB45181/66A GB1124165A (en) 1965-10-22 1966-10-10 Core-form transformer
FR81192A FR1497314A (en) 1965-10-22 1966-10-21 Pressure rings of coiled magnetic material for core transformers

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US502147A US3366907A (en) 1965-10-22 1965-10-22 Core-form transformer pressure ring wound from magnetic material
FR81192A FR1497314A (en) 1965-10-22 1966-10-21 Pressure rings of coiled magnetic material for core transformers

Publications (1)

Publication Number Publication Date
US3366907A true US3366907A (en) 1968-01-30

Family

ID=57048544

Family Applications (1)

Application Number Title Priority Date Filing Date
US502147A Expired - Lifetime US3366907A (en) 1965-10-22 1965-10-22 Core-form transformer pressure ring wound from magnetic material

Country Status (3)

Country Link
US (1) US3366907A (en)
FR (1) FR1497314A (en)
GB (1) GB1124165A (en)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3750070A (en) * 1971-11-30 1973-07-31 Westinghouse Electric Corp Pressure ring for transformer windings
US3786387A (en) * 1968-01-31 1974-01-15 Hitachi Ltd Short-circuit testing model for stationary induction apparatuses
FR2198234A1 (en) * 1972-09-01 1974-03-29 Gen Electric
US3983523A (en) * 1975-11-03 1976-09-28 General Electric Company Combination static plate and clamping ring
US4012706A (en) * 1975-12-08 1977-03-15 General Electric Company Sheet-wound transformer coils
US4021764A (en) * 1975-12-08 1977-05-03 General Electric Company Sheet-wound transformer coils with reduced edge heating
WO2004086429A1 (en) * 2003-03-26 2004-10-07 Kompozitor Muanyagipari Fejleszto Kft. Pressure ring for clamping transformer coils and procedure and equipment for the production of pressure rings
EP2458599A1 (en) * 2010-11-24 2012-05-30 General Electric Company Magnetic shield for current transformer in electronic watt-hour meter
CN103971918A (en) * 2014-05-21 2014-08-06 北京京磁强磁材料有限公司 Neodymium iron boron magnet welding method
CN104810139A (en) * 2014-01-28 2015-07-29 Tdk株式会社 Reactor
US20180068785A1 (en) * 2016-09-02 2018-03-08 Hitachi, Ltd. Stationary induction electrical apparatus
RU182183U1 (en) * 2018-04-04 2018-08-07 Дмитрий Николаевич Харитонов SUPERCONDUCTIVE STORAGE OF ELECTRIC AND MAGNETIC ENERGY
WO2018184775A1 (en) * 2017-04-04 2018-10-11 Siemens Aktiengesellschaft Electrical appliance comprising a boiler having a shape complementary to the active part
WO2018184776A1 (en) * 2017-04-04 2018-10-11 Siemens Aktiengesellschaft Active part having clamping means without tie rods
US10629355B2 (en) * 2017-06-08 2020-04-21 Hitachi, Ltd. Stationary induction apparatus

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2728905C2 (en) * 1977-06-27 1983-02-03 Transformatoren Union Ag, 7000 Stuttgart Transformer with a large leakage channel and a large proportion of leakage flux
DE10246543A1 (en) * 2002-09-30 2003-06-18 Siemens Ag Winding arrangement e.g. for transformers, includes leakage flux guide yoke designed as leakage flux guide disc

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2295415A (en) * 1940-08-02 1942-09-08 Westinghouse Electric & Mfg Co Air-cooled, air-insulated transformer
US2907965A (en) * 1956-08-24 1959-10-06 Allis Chalmers Mfg Co Reactor with end shielding having disk laminations
GB1030842A (en) * 1962-01-31 1966-05-25 English Electric Co Ltd Improvements in or relating to transformers

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2295415A (en) * 1940-08-02 1942-09-08 Westinghouse Electric & Mfg Co Air-cooled, air-insulated transformer
US2907965A (en) * 1956-08-24 1959-10-06 Allis Chalmers Mfg Co Reactor with end shielding having disk laminations
GB1030842A (en) * 1962-01-31 1966-05-25 English Electric Co Ltd Improvements in or relating to transformers

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3786387A (en) * 1968-01-31 1974-01-15 Hitachi Ltd Short-circuit testing model for stationary induction apparatuses
US3750070A (en) * 1971-11-30 1973-07-31 Westinghouse Electric Corp Pressure ring for transformer windings
FR2198234A1 (en) * 1972-09-01 1974-03-29 Gen Electric
US3983523A (en) * 1975-11-03 1976-09-28 General Electric Company Combination static plate and clamping ring
US4012706A (en) * 1975-12-08 1977-03-15 General Electric Company Sheet-wound transformer coils
US4021764A (en) * 1975-12-08 1977-05-03 General Electric Company Sheet-wound transformer coils with reduced edge heating
WO2004086429A1 (en) * 2003-03-26 2004-10-07 Kompozitor Muanyagipari Fejleszto Kft. Pressure ring for clamping transformer coils and procedure and equipment for the production of pressure rings
EP2458599A1 (en) * 2010-11-24 2012-05-30 General Electric Company Magnetic shield for current transformer in electronic watt-hour meter
US8664935B2 (en) 2010-11-24 2014-03-04 General Electric Company Magnetic shield for current transformer in electronic watt-hour meter
CN104810139A (en) * 2014-01-28 2015-07-29 Tdk株式会社 Reactor
US20150213944A1 (en) * 2014-01-28 2015-07-30 Tdk Corporation Reactor
US9959968B2 (en) * 2014-01-28 2018-05-01 Tdk Corporation Reactor
CN103971918A (en) * 2014-05-21 2014-08-06 北京京磁强磁材料有限公司 Neodymium iron boron magnet welding method
CN103971918B (en) * 2014-05-21 2017-01-04 京磁材料科技股份有限公司 A kind of welding method of neodymium iron boron magnetic body
US20180068785A1 (en) * 2016-09-02 2018-03-08 Hitachi, Ltd. Stationary induction electrical apparatus
US10658106B2 (en) * 2016-09-02 2020-05-19 Hitachi, Ltd. Stationary induction electrical apparatus
WO2018184775A1 (en) * 2017-04-04 2018-10-11 Siemens Aktiengesellschaft Electrical appliance comprising a boiler having a shape complementary to the active part
WO2018184776A1 (en) * 2017-04-04 2018-10-11 Siemens Aktiengesellschaft Active part having clamping means without tie rods
CN110462762A (en) * 2017-04-04 2019-11-15 西门子股份公司 Electrical devices with enclosures designed to complement the shape of the active components
CN110462762B (en) * 2017-04-04 2022-07-01 西门子能源全球有限公司 Electrical device with a housing designed complementary to the shape of the active component
US10629355B2 (en) * 2017-06-08 2020-04-21 Hitachi, Ltd. Stationary induction apparatus
RU182183U1 (en) * 2018-04-04 2018-08-07 Дмитрий Николаевич Харитонов SUPERCONDUCTIVE STORAGE OF ELECTRIC AND MAGNETIC ENERGY

Also Published As

Publication number Publication date
FR1497314A (en) 1967-10-06
GB1124165A (en) 1968-08-21

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