SE416596B - Enfasig trebenskerna for transformatorer - Google Patents

Enfasig trebenskerna for transformatorer

Info

Publication number: SE416596B
Authority: SE; Sweden
Prior art keywords: steps; single phase; phase transformers; transformers; transformers steps
Prior art date: 1975-12-05

Application number

SE7613602A

Other languages

English (en)

Other versions

SE7613602L (sv

Inventor

M Maezima

Original Assignee

Hitachi Ltd

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.)

1975-12-05

Filing date

1976-12-03

Publication date

1981-01-19

1976-12-03 Application filed by Hitachi Ltd filed Critical Hitachi Ltd

1977-06-06 Publication of SE7613602L publication Critical patent/SE7613602L/sv

1981-01-19 Publication of SE416596B publication Critical patent/SE416596B/sv

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
- H01F27/24—Magnetic cores
- H01F27/245—Magnetic cores made from sheets, e.g. grain-oriented

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Manufacturing Cores, Coils, And Magnets (AREA)

SE7613602A 1975-12-05 1976-12-03 Enfasig trebenskerna for transformatorer SE416596B (sv)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP50145412A JPS5268922A (en)	1975-12-05	1975-12-05	Single-phase tripod iron core of transformer

Publications (2)

Publication Number	Publication Date
SE7613602L SE7613602L (sv)	1977-06-06
SE416596B true SE416596B (sv)	1981-01-19

Family

ID=15384649

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE7613602A SE416596B (sv)	1975-12-05	1976-12-03	Enfasig trebenskerna for transformatorer

Country Status (4)

Country	Link
US (1)	US4136322A (sv)
JP (1)	JPS5268922A (sv)
DE (1)	DE2654489C3 (sv)
SE (1)	SE416596B (sv)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2839114A1 (de) *	1978-09-08	1980-03-20	Blum Eisen & Metallind	Elektrische maschine, wie transformator, drosselspule, spannungskonstanthalter, o.dgl.
DE2848388A1 (de) *	1978-11-08	1980-05-22	Blum Eisen & Metallind	Aus blechlamellen zu bildender, gestufter eisenkern fuer statische oder dynamische elektrische maschinen, wie z.b. transformatoren
ES2122426T3 (es)	1994-12-06	1998-12-16	Denso Corp	Bobina de encendido para un motor de combustion interna.
US7199696B2 (en) *	2005-03-30	2007-04-03	Abb Technology Ag	Transformer having a stacked core with a split leg and a method of making the same
US7256677B2 (en) *	2005-03-30	2007-08-14	Abb Technology Ag	Transformer having a stacked core with a cruciform leg and a method of making the same
CA2797071A1 (en)	2010-04-22	2011-10-27	Abb Technology Ag	A transformer having a stacked core
WO2013012506A1 (en) *	2011-07-15	2013-01-24	Abb Technology Ag	Variable angle scrapless transformer core central leg
CN107658110B (zh) *	2017-10-20	2024-03-12	特变电工股份有限公司	一种提高铁芯填充率的铁芯结构及其剪切、装配方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE975473C (de) *	1941-01-29	1961-12-07	Westinghouse Electric Corp	Aus Blechen geschichteter, geschlossener Eisenkern fuer elektrische Apparate, insbesondere Transformatoren
US2300964A (en) *	1941-01-29	1942-11-03	Westinghouse Electric & Mfg Co	Magnetic core structure
US2407688A (en) *	1942-12-30	1946-09-17	Gen Electric	Magnetic core
US2407625A (en) *	1942-12-30	1946-09-17	Gen Electric	Magnetic core
US2387943A (en) *	1943-03-25	1945-10-30	Westinghouse Electric Corp	Magnetic core structure
US3153215A (en) *	1958-10-15	1964-10-13	Westinghouse Electric Corp	Magnetic core structure
US3069643A (en) *	1958-12-05	1962-12-18	Westinghouse Electric Corp	Magnetic core structure
US3064220A (en) *	1958-12-05	1962-11-13	Westinghouse Electric Corp	Magnetic core structure
US3129377A (en) *	1960-11-14	1964-04-14	Westinghouse Electric Corp	Transformer for connecting a threephase system to a two-phase system
US3183461A (en) *	1962-02-05	1965-05-11	Westinghouse Electric Corp	Magnetic core structure with cooling passages therein
US3283281A (en) *	1965-05-10	1966-11-01	Westinghouse Electric Corp	Electrical apparatus
US3569886A (en) *	1969-09-24	1971-03-09	Westinghouse Electric Corp	Magnetic core structures
US3743991A (en) *	1971-08-18	1973-07-03	Westinghouse Electric Corp	Magnetic core structures
NL144424B (nl) *	1971-10-27	1974-12-16	Smit Nijmegen Electrotec	Ferromagnetisch circuit voor een transformator of een smoorspoel van groot vermogen.

1975
- 1975-12-05 JP JP50145412A patent/JPS5268922A/ja active Granted
1976
- 1976-11-30 US US05/746,000 patent/US4136322A/en not_active Expired - Lifetime
- 1976-12-01 DE DE2654489A patent/DE2654489C3/de not_active Expired
- 1976-12-03 SE SE7613602A patent/SE416596B/sv not_active Application Discontinuation

Also Published As

Publication number	Publication date
DE2654489B2 (de)	1980-10-02
JPS572164B2 (sv)	1982-01-14
JPS5268922A (en)	1977-06-08
SE7613602L (sv)	1977-06-06
DE2654489A1 (de)	1977-06-23
DE2654489C3 (de)	1984-05-17
US4136322A (en)	1979-01-23

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Legal Events

Date	Code	Title	Description
1995-02-28	NAV	Patent application has lapsed	Ref document number: 7613602-7