CA1124344A - Core with step lap joints - Google Patents

Core with step lap joints

Info

Publication number
CA1124344A
CA1124344A CA341,884A CA341884A CA1124344A CA 1124344 A CA1124344 A CA 1124344A CA 341884 A CA341884 A CA 341884A CA 1124344 A CA1124344 A CA 1124344A
Authority
CA
Canada
Prior art keywords
laminations
leg
groups
magnetic core
lap
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
CA341,884A
Other languages
English (en)
French (fr)
Inventor
Angelo A. Delaurentis
Theodore R. Specht
Frank G. Zola, Jr.
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
Application granted granted Critical
Publication of CA1124344A publication Critical patent/CA1124344A/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
    • H01F27/24—Magnetic cores
    • H01F27/245—Magnetic cores made from sheets, e.g. grain-oriented
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/922—Static electricity metal bleed-off metallic stock
    • Y10S428/9265—Special properties
    • Y10S428/928—Magnetic property
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49073—Electromagnet, transformer or inductor by assembling coil and core

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
CA341,884A 1979-01-04 1979-12-13 Core with step lap joints Expired CA1124344A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US000,933 1979-01-04
US06/000,933 US4200854A (en) 1979-01-04 1979-01-04 Core with step-lap joints

Publications (1)

Publication Number Publication Date
CA1124344A true CA1124344A (en) 1982-05-25

Family

ID=21693623

Family Applications (1)

Application Number Title Priority Date Filing Date
CA341,884A Expired CA1124344A (en) 1979-01-04 1979-12-13 Core with step lap joints

Country Status (4)

Country Link
US (1) US4200854A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS6030089B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1124344A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2446004A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0244544Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1984-10-23 1990-11-27
US5628861A (en) * 1995-01-25 1997-05-13 Abb Power T&D Company Inc. Method for adhesively bonded laminate for use in an electrical apparatus such as a transformer, generator, or motor
US5777537A (en) * 1996-05-08 1998-07-07 Espey Mfg. & Electronics Corp. Quiet magnetic structures such as power transformers and reactors
RU2119203C1 (ru) * 1996-09-19 1998-09-20 Открытое акционерное общество "Запорожтрансформатор" Шихтованная магнитная система трансформатора
US5959523A (en) * 1996-10-15 1999-09-28 Abb Power T&D Company Inc. Magnetic core structure
US6218927B1 (en) 1999-02-17 2001-04-17 Abb Power T&D Company Inc. Stacked magnetic transformer core with center leg curvilinear S-joints
US6448686B1 (en) 2000-12-08 2002-09-10 General Electric Company Packaged stator core and method forming the same
US6597081B2 (en) 2000-12-08 2003-07-22 General Electric Company Stator having reduced forces at generator stator key bar and method for forming the same
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
US8212645B2 (en) * 2008-04-10 2012-07-03 Siemens Aktiengesellschaft Method for producing a transformer core and a transformer core
CN101409143B (zh) * 2008-08-05 2011-04-13 无锡市普天铁心有限公司 变压器铁心的中心定位叠装方法
CA2797071A1 (en) * 2010-04-22 2011-10-27 Abb Technology Ag A transformer having a stacked core
KR101302830B1 (ko) * 2011-12-29 2013-09-02 주식회사 효성 변압기의 철심
JP5983306B2 (ja) * 2012-10-24 2016-08-31 Ｊｆｅスチール株式会社 鉄損に優れた変圧器鉄心の製造方法
CN104810144B (zh) * 2015-05-20 2017-01-25 江苏汇安隆电器有限公司 一种铁芯叠装工艺
US10763030B2 (en) * 2015-08-29 2020-09-01 Abb Power Grids Switzerland Ag Transformer and transformer core
JP2018078207A (ja) * 2016-11-10 2018-05-17 株式会社日立産機システム 積鉄心、その製造方法およびそれを用いた変圧器
HUE045135T2 (hu) 2016-12-02 2019-12-30 Abb Schweiz Ag Félhibrid transzformátormag
JP6960325B2 (ja) * 2017-12-19 2021-11-05 株式会社ダイヘン 静止誘導機器、積層鉄心、及び鉄心構造
US11049647B2 (en) 2018-04-23 2021-06-29 Siemens Energy Global GmbH & Co. KG Molded tap changer assemblies and methods for dry-type transformers
BR112020021630B8 (pt) * 2018-04-23 2023-04-25 Hainan Jinpan Smart Tech Co Núcleo de transformador, transformador e método de montagem de um núcleo de transformador
JP7214395B2 (ja) * 2018-08-21 2023-01-30 株式会社ダイヘン 積層鉄心製造方法
WO2020142796A1 (en) * 2019-01-04 2020-07-09 Jacobus Johannes Van Der Merwe Method of cooling a shell-type transformer or inductor

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3153215A (en) * 1958-10-15 1964-10-13 Westinghouse Electric Corp Magnetic core structure
US3210709A (en) * 1963-01-16 1965-10-05 Westinghouse Electric Corp Magnetic core structure for electrical inductive apparatus and method of constructing same
FR1492317A (fr) * 1966-07-09 1967-08-18 U N E L E C Transformateur
US3477053A (en) * 1967-11-24 1969-11-04 Westinghouse Electric Corp Magnetic core structures
US3540120A (en) * 1968-11-12 1970-11-17 Westinghouse Electric Corp Method of constructing magnetic core structures
US3504318A (en) * 1969-05-07 1970-03-31 Westinghouse Electric Corp Three-phase transformer with four legged magnetic core
US3559136A (en) * 1969-06-20 1971-01-26 Westinghouse Electric Corp Magnetic core structure
US3611234A (en) * 1969-12-23 1971-10-05 Westinghouse Electric Corp Magnetic core structures
US3918153A (en) * 1971-03-22 1975-11-11 Westinghouse Electric Corp Method of constructing a magnetic core
US3670279A (en) * 1971-05-14 1972-06-13 Westinghouse Electric Corp Magnetic cores and methods of constructing same
US3743991A (en) * 1971-08-18 1973-07-03 Westinghouse Electric Corp Magnetic core structures
US3895336A (en) * 1974-06-24 1975-07-15 Gen Electric Transformer core with composite offset V-miter and step joint

Also Published As

Publication number Publication date
JPS6030089B2 (ja) 1985-07-15
US4200854A (en) 1980-04-29
JPS5593208A (en) 1980-07-15
FR2446004B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1982-12-31
FR2446004A1 (fr) 1980-08-01

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Legal Events

Date Code Title Description
MKEX Expiry