JPH0412013B2 - - Google Patents

Info

Publication number
JPH0412013B2
JPH0412013B2 JP57110769A JP11076982A JPH0412013B2 JP H0412013 B2 JPH0412013 B2 JP H0412013B2 JP 57110769 A JP57110769 A JP 57110769A JP 11076982 A JP11076982 A JP 11076982A JP H0412013 B2 JPH0412013 B2 JP H0412013B2
Authority
JP
Japan
Prior art keywords
shield layer
coil
molded
shield
resin layer
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
JP57110769A
Other languages
English (en)
Japanese (ja)
Other versions
JPS593907A (ja
Inventor
Yasuyuki Takahara
Hirobumi Kubo
Shigeo Hosaka
Tomoki Izuna
Toshuki Fujimori
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.)
Hitachi Ltd
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.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP57110769A priority Critical patent/JPS593907A/ja
Priority to US06/505,720 priority patent/US4586015A/en
Publication of JPS593907A publication Critical patent/JPS593907A/ja
Publication of JPH0412013B2 publication Critical patent/JPH0412013B2/ja
Granted 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
    • H01F27/34—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Regulation Of General Use Transformers (AREA)
  • Insulating Of Coils (AREA)
JP57110769A 1982-06-29 1982-06-29 モ−ルド変圧器 Granted JPS593907A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP57110769A JPS593907A (ja) 1982-06-29 1982-06-29 モ−ルド変圧器
US06/505,720 US4586015A (en) 1982-06-29 1983-06-20 Transformer with a surface shield layer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57110769A JPS593907A (ja) 1982-06-29 1982-06-29 モ−ルド変圧器

Publications (2)

Publication Number Publication Date
JPS593907A JPS593907A (ja) 1984-01-10
JPH0412013B2 true JPH0412013B2 (en]) 1992-03-03

Family

ID=14544113

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57110769A Granted JPS593907A (ja) 1982-06-29 1982-06-29 モ−ルド変圧器

Country Status (2)

Country Link
US (1) US4586015A (en])
JP (1) JPS593907A (en])

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5017527A (en) * 1988-07-20 1991-05-21 Korea Advanced Institute Of Science & Technology Mechanical seals of SiC-coated graphite by rate-controlled generation of SiO and process therefor
EP0364171B1 (en) * 1988-10-13 1994-11-30 Matsushita Electric Industrial Co., Ltd. Highfrequency heating apparatus using frequency-converter-type power supply
JPH02177409A (ja) * 1988-12-28 1990-07-10 Akzo Kashima Ltd 静電シールド変圧器の製造方法
JP2569432Y2 (ja) * 1991-03-28 1998-04-22 田淵電機株式会社 プレーナ型コイル装置
US5343143A (en) * 1992-02-11 1994-08-30 Landis & Gyr Metering, Inc. Shielded current sensing device for a watthour meter
JP3040957B2 (ja) * 1995-11-27 2000-05-15 ヴィエルティー コーポレーション 透磁性コアの製造方法及びその装置
CA2264904A1 (en) * 1996-09-04 1998-03-12 E.I. Du Pont De Nemours And Company Air-core primary voltage winding
KR100348287B1 (ko) * 2000-05-16 2002-08-09 엘지산전 주식회사 몰드 변압기의 금형 구조
US6633168B2 (en) * 2001-03-30 2003-10-14 Square D Company Method and apparatus for detecting partial discharge in a voltage transformer
JP3928963B2 (ja) * 2003-11-13 2007-06-13 株式会社アイキューフォー 耐雷トランスとその耐雷トランス用の導電コーティングシングルモールドコイル
DE102004003223B3 (de) * 2004-01-22 2005-08-25 Era Ag Zündspule für eine Brennkraftmaschine
FR2914105B1 (fr) * 2007-03-20 2009-04-24 Schneider Electric Ind Sas Bobine de tension primaire ajustable pour transformateur sec et transformateur ht/bt la comprenant
TWI402868B (zh) * 2009-05-27 2013-07-21 Delta Electronics Inc 具屏蔽功能之線圈及磁性元件
CN101908409B (zh) * 2009-06-02 2014-04-16 台达电子工业股份有限公司 具有屏蔽功能的线圈及磁性元件
EP2797088A1 (en) * 2013-04-23 2014-10-29 ABB Technology AG Coil for a dry transformer and dry transformer
DE102016202385A1 (de) * 2016-02-17 2017-08-17 Siemens Aktiengesellschaft Kompakter Trockentransformator mit einer elektrischen Wicklung und Verfahren zur Herstellung einer elektrischen Wicklung
JP7169738B2 (ja) * 2016-08-24 2022-11-11 東芝産業機器システム株式会社 静止誘導機器
US11417456B2 (en) * 2017-01-25 2022-08-16 Delta Electronics (Shanghai) Co., Ltd High-voltage transformer and electronic power apparatus
US11515080B2 (en) * 2017-01-25 2022-11-29 Delta Electronics (Shanghai) Co., Ltd Transformer, coil unit and electronic power apparatus
CN206460860U (zh) * 2017-01-25 2017-09-01 台达电子企业管理（上海）有限公司 高压变压器及电子电力装置
US11250990B2 (en) * 2017-01-25 2022-02-15 Delta Electronics (Shanghai) Co., Ltd High-voltage transformer and electronic power apparatus
CA3102648C (en) 2018-06-07 2023-10-31 Siemens Aktiengesellschaft Shielded coil assemblies and methods for dry-type transformers

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR744411A (en]) * 1931-09-02 1933-04-20
US2047159A (en) * 1935-07-17 1936-07-07 Galvin Mfg Corp Electrostatic shield
US2088454A (en) * 1935-08-02 1937-07-27 Sign Animation Corp Radiation elimination
DE1064623B (de) * 1957-06-14 1959-09-03 Licentia Gmbh Mit Schilden versehene Lagenwicklung fuer Transformatoren
US4305115A (en) * 1979-03-14 1981-12-08 Harry H. Leveen Electrostatic shield

Also Published As

Publication number Publication date
JPS593907A (ja) 1984-01-10
US4586015A (en) 1986-04-29

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