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 (enExample)
JP (1) JPS6030089B2 (enExample)
CA (1) CA1124344A (enExample)
FR (1) FR2446004A1 (enExample)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0244544Y2 (enExample) * 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
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
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
EP2260494B1 (de) * 2008-04-10 2013-03-20 Siemens Aktiengesellschaft Transformatorkern
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
WO2011133391A2 (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
CA3097935C (en) * 2018-04-23 2022-08-23 Siemens Aktiengesellschaft Transformer cores and assembly methods thereof for high efficiency and high anti-corrosion performance
CN112753083B (zh) 2018-04-23 2022-04-29 西门子股份公司 用于干式变压器的模制的抽头变换器组件和方法
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
KR20220165900A (ko) * 2021-06-09 2022-12-16 주식회사 포스코 변압기 철심 및 그 제조방법

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
JPS5593208A (en) 1980-07-15
JPS6030089B2 (ja) 1985-07-15
FR2446004A1 (fr) 1980-08-01
US4200854A (en) 1980-04-29
FR2446004B1 (enExample) 1982-12-31

Similar Documents

Publication Publication Date Title
CA1124344A (en) Core with step lap joints
US4283842A (en) Method of making an electrical inductive apparatus
US7877861B2 (en) Method of making a transformer having a stacked core with a split leg
US3153215A (en) Magnetic core structure
US7882615B2 (en) Method of making a transformer having a stacked core with a cruciform leg
JPH069176B2 (ja) 変圧器用珪素鋼−非晶質鋼複合鉄心
JP2001502475A (ja) 磁心構造
US4201966A (en) Magnetic core structure
US3611234A (en) Magnetic core structures
US3540120A (en) Method of constructing magnetic core structures
US3477053A (en) Magnetic core structures
JPH09232164A (ja) 三角配置三脚鉄心形三相変圧器
US3670279A (en) Magnetic cores and methods of constructing same
US2594002A (en) Three-phase core
US4445104A (en) Compact step-lap magnetic core
US20230402212A1 (en) Transformer core
JPH0377304A (ja) 静止誘導器鉄心積層単位の結束方法
JPS6310507A (ja) 誘導電気機器用磁気鉄心
WO2025021884A1 (en) Iron cores for disassembly/transport transformers
JPH1140434A (ja) リアクトル用鉄心
JPS6155906A (ja) 大容量変圧器鉄心
WO1991013450A1 (en) Modified i-plate core structures and methods of yoking amorphous metal stacked core transformers
JPH07142262A (ja) 鉄心の接合構造
PL147252B1 (en) Three-column core for three-phase transformers
JPS58101412A (ja) 巻鉄心型変圧器の製造方法

Legal Events

Date Code Title Description
MKEX Expiry