EP3738133C0 - Core for a transformer - Google Patents

Core for a transformer

Info

Publication number
EP3738133C0
EP3738133C0 EP19710339.3A EP19710339A EP3738133C0 EP 3738133 C0 EP3738133 C0 EP 3738133C0 EP 19710339 A EP19710339 A EP 19710339A EP 3738133 C0 EP3738133 C0 EP 3738133C0
Authority
EP
European Patent Office
Prior art keywords
transformer
core
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.)
Active
Application number
EP19710339.3A
Other languages
German (de)
French (fr)
Other versions
EP3738133A1 (en
EP3738133B1 (en
Inventor
Stephan Voss
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.)
Siemens Energy Global GmbH and Co KG
Original Assignee
Siemens Energy Global GmbH and Co KG
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 Siemens Energy Global GmbH and Co KG filed Critical Siemens Energy Global GmbH and Co KG
Publication of EP3738133A1 publication Critical patent/EP3738133A1/en
Application granted granted Critical
Publication of EP3738133C0 publication Critical patent/EP3738133C0/en
Publication of EP3738133B1 publication Critical patent/EP3738133B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/10—Composite arrangements of magnetic circuits
    • H01F3/14—Constrictions; Gaps, e.g. air-gaps
    • 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
    • H01F27/2455—Magnetic cores made from sheets, e.g. grain-oriented using bent laminations
    • 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
    • H01F27/255—Magnetic cores made from particles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/02—Cores, Yokes, or armatures made from sheets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0206—Manufacturing of magnetic cores by mechanical means
    • H01F41/0233—Manufacturing of magnetic circuits made from sheets
    • H01F41/024—Manufacturing of magnetic circuits made from deformed sheets

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Housings And Mounting Of Transformers (AREA)
  • Regulation Of General Use Transformers (AREA)
EP19710339.3A 2018-03-01 2019-03-01 Core for a transformer Active EP3738133B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018203087.1A DE102018203087A1 (en) 2018-03-01 2018-03-01 Core for a transformer
PCT/EP2019/055188 WO2019166645A1 (en) 2018-03-01 2019-03-01 Core for a transformer

Publications (3)

Publication Number Publication Date
EP3738133A1 EP3738133A1 (en) 2020-11-18
EP3738133C0 true EP3738133C0 (en) 2023-07-12
EP3738133B1 EP3738133B1 (en) 2023-07-12

Family

ID=65729314

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19710339.3A Active EP3738133B1 (en) 2018-03-01 2019-03-01 Core for a transformer

Country Status (10)

Country Link
US (1) US20210065944A1 (en)
EP (1) EP3738133B1 (en)
CN (1) CN111801751B (en)
BR (1) BR112020016616A8 (en)
CA (1) CA3092514A1 (en)
CO (1) CO2020009898A2 (en)
DE (1) DE102018203087A1 (en)
ES (1) ES2959476T3 (en)
PL (1) PL3738133T3 (en)
WO (1) WO2019166645A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020211253A1 (en) 2020-09-08 2022-03-10 Siemens Energy Global GmbH & Co. KG transformer

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2937351A (en) * 1956-02-13 1960-05-17 Palmer H Craig Magnetic amplifier
GB965741A (en) * 1962-03-02 1964-08-06 Core Mfg Company Transformer core
GB1173447A (en) * 1966-07-27 1969-12-10 Telcon Magnetic Cores Ltd Improvements in Magnetic Cores
JPS60245206A (en) * 1984-05-21 1985-12-05 Matsushita Electric Works Ltd Magnetic core
JP2897384B2 (en) * 1990-09-25 1999-05-31 松下電器産業株式会社 Electromagnetic device and method of manufacturing electromagnetic device
JP3312589B2 (en) * 1997-12-26 2002-08-12 日本鋼管株式会社 Manufacturing method of electrical steel sheet for bonded iron core with excellent adhesive strength, corrosion resistance and blocking resistance
CN101447312A (en) * 2008-05-30 2009-06-03 北京中机联供非晶科技股份有限公司 Gap-butt amorphous core with noise reduction function of epoxy coating
DE102009048659B3 (en) * 2009-09-29 2011-04-28 Siemens Aktiengesellschaft transformer core
WO2011091846A1 (en) * 2010-01-27 2011-08-04 Areva T&D Uk Limited Magnetic core
JP2012104725A (en) * 2010-11-12 2012-05-31 Panasonic Corp Dust core and coil component using it
US9601257B2 (en) * 2011-11-14 2017-03-21 Abb Schweiz Ag Wind-on core manufacturing method for split core configurations
JP2014072245A (en) * 2012-09-27 2014-04-21 Sumitomo Electric Ind Ltd Powder magnetic core, electromagnetic component, and manufacturing method of powder magnetic core
US10607763B2 (en) * 2015-05-19 2020-03-31 Panasonic Intellectual Property Management Co., Ltd. Reactor
DE102017204522A1 (en) * 2017-03-17 2018-09-20 Voestalpine Stahl Gmbh Process for the production of lacquer-coated electrical steel strips and lacquer-coated electrical steel strip

Also Published As

Publication number Publication date
US20210065944A1 (en) 2021-03-04
CA3092514A1 (en) 2019-09-06
EP3738133A1 (en) 2020-11-18
CO2020009898A2 (en) 2020-08-21
ES2959476T3 (en) 2024-02-26
BR112020016616A8 (en) 2023-04-25
PL3738133T3 (en) 2023-12-27
CN111801751A (en) 2020-10-20
DE102018203087A1 (en) 2019-09-05
BR112020016616A2 (en) 2020-12-15
WO2019166645A1 (en) 2019-09-06
CN111801751B (en) 2024-05-24
EP3738133B1 (en) 2023-07-12

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