DE60008994D1 - Isolationstransformatoren - Google Patents

Isolationstransformatoren

Info

Publication number
DE60008994D1
DE60008994D1 DE60008994T DE60008994T DE60008994D1 DE 60008994 D1 DE60008994 D1 DE 60008994D1 DE 60008994 T DE60008994 T DE 60008994T DE 60008994 T DE60008994 T DE 60008994T DE 60008994 D1 DE60008994 D1 DE 60008994D1
Authority
DE
Germany
Prior art keywords
isolation transformers
transformers
isolation
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
DE60008994T
Other languages
English (en)
Other versions
DE60008994T2 (de
Inventor
Akihiko Yagasaki
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.)
Denkenseiki Re In Corp
Original Assignee
Denkenseiki Re In 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 Denkenseiki Re In Corp filed Critical Denkenseiki Re In Corp
Publication of DE60008994D1 publication Critical patent/DE60008994D1/de
Application granted granted Critical
Publication of DE60008994T2 publication Critical patent/DE60008994T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/288—Shielding
    • H01F27/2885—Shielding with shields or electrodes
    • 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
    • H01F27/32—Insulating of coils, windings, or parts thereof
    • 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
    • H01F27/363—Electric or magnetic shields or screens made of electrically conductive material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F19/00—Fixed transformers or mutual inductances of the signal type
    • H01F19/04—Transformers or mutual inductances suitable for handling frequencies considerably beyond the audio range
    • H01F19/08—Transformers having magnetic bias, e.g. for handling pulses
    • H01F2019/085—Transformer for galvanic isolation

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Regulation Of General Use Transformers (AREA)
  • Insulating Of Coils (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Coils Of Transformers For General Uses (AREA)
DE60008994T 1999-09-28 2000-09-06 Isolationstransformatoren Expired - Lifetime DE60008994T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP27375599 1999-09-28
JP27375599A JP3892180B2 (ja) 1999-09-28 1999-09-28 障害波遮断変成器

Publications (2)

Publication Number Publication Date
DE60008994D1 true DE60008994D1 (de) 2004-04-22
DE60008994T2 DE60008994T2 (de) 2005-03-10

Family

ID=17532136

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60008994T Expired - Lifetime DE60008994T2 (de) 1999-09-28 2000-09-06 Isolationstransformatoren

Country Status (6)

Country Link
US (1) US6888436B1 (de)
EP (1) EP1089303B1 (de)
JP (1) JP3892180B2 (de)
KR (1) KR100705976B1 (de)
CN (1) CN1210733C (de)
DE (1) DE60008994T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6995990B2 (en) * 2001-03-08 2006-02-07 Power Integrations, Inc. Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components
US6549431B2 (en) * 2001-03-08 2003-04-15 Power Integrations, Inc. Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components
JP2005005287A (ja) * 2003-06-09 2005-01-06 Matsushita Electric Ind Co Ltd インダクタンス部品とそれを用いた電子機器
DE102004011941A1 (de) * 2004-03-09 2005-09-29 Thyssenkrupp Transrapid Gmbh Magnetpol für Magnetschwebefahrzeuge
JP2009503839A (ja) * 2005-07-25 2009-01-29 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 改善された伝熱機能を有するハイブリッドコイル
DE102006049867B4 (de) 2006-10-23 2021-09-16 Siemens Aktiengesellschaft Werkzeugmaschine und Verfahren zur Unterdrückung von Ratterschwingungen
US8077005B2 (en) * 2007-04-12 2011-12-13 Okayama Giken Co., Ltd. Aligned multilayer wound coil
JP5131057B2 (ja) * 2008-02-26 2013-01-30 株式会社デンソー トランス
JP4997330B2 (ja) * 2010-07-27 2012-08-08 株式会社神戸製鋼所 多相変圧器および変圧システム
EP3035348B1 (de) * 2014-12-17 2017-08-09 ABB Schweiz AG Abschirmung für eine induktive Vorrichtung mit zentraler Erstwickelverbindung
US10978241B2 (en) * 2016-12-09 2021-04-13 Astec International Limited Transformers having screen layers to reduce common mode noise
DE102018213661A1 (de) * 2018-08-14 2020-02-20 Siemens Aktiengesellschaft Wicklungsanordnung mit Feldglättung und Armierung
CN115173881B (zh) * 2022-07-05 2023-05-23 北京巨束科技有限公司 用于射频收发装置的衰减器和射频收发装置

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US343602A (en) * 1886-06-15 Sest available cop
US1548022A (en) * 1923-04-23 1925-08-04 Western Electric Co Inductance device
US2008859A (en) * 1933-12-07 1935-07-23 Bell Telephone Labor Inc Inductance device
US2592817A (en) * 1949-01-15 1952-04-15 Primeweld Corp Electric coil
US2817066A (en) * 1950-10-27 1957-12-17 Scarpa Giuseppe Electric transformer
DE1279182B (de) * 1965-09-11 1968-10-03 Siemens Ag Supraleitungsspule
DE1810345B2 (de) * 1968-11-22 1973-08-16 Feiten & Guilleaume Kabelwerke AG, 5000 Köln Uebertrager fuer verstaerker der elektrischen nachrichten- und messtechnik
US3638155A (en) * 1970-11-06 1972-01-25 Mega Power Corp Electrical coil having integrated capacitance and inductance
US4089049A (en) * 1975-06-11 1978-05-09 Sony Corporation Inverter circuit including transformer with shielding of undesired radiations
JPS55162206A (en) * 1979-06-04 1980-12-17 Hitachi Ltd Winding for induction electric apparatus
NL7904379A (nl) * 1979-06-05 1980-12-09 Philips Nv Transformator.
JPS5780818U (de) * 1980-11-05 1982-05-19
JPS5812917U (ja) * 1981-07-17 1983-01-27 株式会社タムラ製作所 トランス用絶縁紙
US4484171A (en) * 1983-02-18 1984-11-20 Mcloughlin Robert C Shielded transformer
US4518941A (en) * 1983-11-16 1985-05-21 Nihon Kohden Corporation Pulse transformer for switching power supplies
US4660014A (en) * 1985-06-19 1987-04-21 Jaycor Electromagnetic pulse isolation transformer
JPH0787134B2 (ja) * 1986-02-14 1995-09-20 コ−ネリウス ルング 誘導性及び容量性の特性を有する電気部品
JP2645256B2 (ja) * 1986-03-26 1997-08-25 昭彦 矢ケ崎 ノイズカットトランス
US4864232A (en) * 1988-03-07 1989-09-05 Sunpower, Inc. Temperature compensation for displacement transducer
JPH0787152B2 (ja) * 1989-08-01 1995-09-20 コビシ電機株式会社 ノイズ阻止トランス
US5304932A (en) * 1990-11-05 1994-04-19 The Regents Of The University Of California Apparatus and method for shielding MRI RF antennae from the effect of surrounding objects
US5767808A (en) * 1995-01-13 1998-06-16 Minnesota Mining And Manufacturing Company Microstrip patch antennas using very thin conductors
JPH08340190A (ja) * 1995-06-09 1996-12-24 Kamitsuma Kenichi 電波障害防止装置
JPH09264256A (ja) 1996-03-28 1997-10-07 Sanyo Electric Co Ltd 飲食物供給装置
US5834688A (en) * 1996-10-24 1998-11-10 Senstar Stellar Corporation Electromagnetic intruder detector sensor cable
JPH10340818A (ja) * 1997-06-09 1998-12-22 Hitachi Ltd 誘導電器巻線

Also Published As

Publication number Publication date
KR20010067241A (ko) 2001-07-12
CN1290018A (zh) 2001-04-04
JP3892180B2 (ja) 2007-03-14
KR100705976B1 (ko) 2007-04-10
JP2001102221A (ja) 2001-04-13
DE60008994T2 (de) 2005-03-10
EP1089303B1 (de) 2004-03-17
EP1089303A1 (de) 2001-04-04
US6888436B1 (en) 2005-05-03
CN1210733C (zh) 2005-07-13

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Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication of lapse of patent is to be deleted
8364 No opposition during term of opposition