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PT90921A - Aparelho electrico - Google Patents

Aparelho electrico

Info

Publication number
PT90921A
PT90921A PT90921A PT9092189A PT90921A PT 90921 A PT90921 A PT 90921A PT 90921 A PT90921 A PT 90921A PT 9092189 A PT9092189 A PT 9092189A PT 90921 A PT90921 A PT 90921A
Authority
PT
Portugal
Prior art keywords
electrical appliances
appliances
electrical
Prior art date
Application number
PT90921A
Other languages
English (en)
Other versions
PT90921B (pt
Inventor
Katsuji Sokai
Takashi Sakuma
Original Assignee
Mitsubishi 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of PT90921A publication Critical patent/PT90921A/pt
Publication of PT90921B publication Critical patent/PT90921B/pt

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
    • H01F27/02—Casings
    • H01F27/04—Leading of conductors or axles through casings, e.g. for tap-changing arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Housings And Mounting Of Transformers (AREA)
  • Regulation Of General Use Transformers (AREA)
PT90921A 1988-06-21 1989-06-20 Aparelho electrico para minimizar perdas de energia, especialmente em transformadores electricos PT90921B (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63154107A JPH0744116B2 (ja) 1988-06-21 1988-06-21 電気機器

Publications (2)

Publication Number Publication Date
PT90921A true PT90921A (pt) 1989-12-29
PT90921B PT90921B (pt) 1995-06-30

Family

ID=15577077

Family Applications (1)

Application Number Title Priority Date Filing Date
PT90921A PT90921B (pt) 1988-06-21 1989-06-20 Aparelho electrico para minimizar perdas de energia, especialmente em transformadores electricos

Country Status (6)

Country Link
US (1) US4980515A (pt)
EP (1) EP0348131B1 (pt)
JP (1) JPH0744116B2 (pt)
CA (1) CA1334855C (pt)
DE (1) DE68915620T2 (pt)
PT (1) PT90921B (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5808536A (en) * 1996-06-28 1998-09-15 General Signal Corporation Power transformer and coupling means therefor
IT1296469B1 (it) * 1997-11-19 1999-06-25 Abb Trasformatori S P A Trasformatore elettrico per correnti di alta ed altissima intensita', particolarmente per forni e raddrizzatori
US6346677B1 (en) 1999-09-08 2002-02-12 Electro Composites, Inc. High-voltage bushing provided with external shields
US6515232B2 (en) * 2000-12-15 2003-02-04 Mechanical Dynamics & Analysis, Llc. High voltage bushing and method of assembling same
DE102008013416A1 (de) * 2008-03-10 2009-10-15 Siemens Aktiengesellschaft Anordnung mit einem Generator und einem Transformator
ES2684578T3 (es) 2010-04-07 2018-10-03 Abb Schweiz Ag Transformador tipo seco para exteriores
BR112017000118B1 (pt) * 2014-07-03 2022-11-16 Hubbell Corporation Recipiente de segurança para um transformador, e transformador tendo um recipiente de segurança
US10366824B2 (en) * 2017-04-11 2019-07-30 Trench Limited Direct mounting bracket
EP3618086B1 (en) 2018-08-30 2021-04-28 ABB Power Grids Switzerland AG Shield for a terminal of a high-voltage electrical device and method for operating the same

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA592759A (en) * 1960-02-16 P. Tootill William Support structure for electric conductors
GB416564A (en) * 1932-12-17 1934-09-17 Gen Electric Improvements in and relating to the prevention of eddy-current losses in electric switches or circuit breakers and other enclosed electric apparatus
DE1540113A1 (de) * 1965-11-03 1969-12-11 Licentia Gmbh Anordnung zur Verringerung von Verlusten in der Naehe von Wechselstromdurchfuehrungen
JPS5279227A (en) * 1975-12-26 1977-07-04 Hitachi Ltd Magnetic shielding equipment for induction apparatus
JPS596491B2 (ja) * 1977-06-01 1984-02-13 株式会社日立製作所 変圧器のリ−ド線引出し装置
JPS549721A (en) * 1977-06-24 1979-01-24 Hitachi Ltd Drawing out lead-in wires for electric apparatus
US4370512A (en) * 1981-02-23 1983-01-25 Westinghouse Electric Corp. Shielding device for electrical inductive structure

Also Published As

Publication number Publication date
PT90921B (pt) 1995-06-30
EP0348131A3 (en) 1990-08-22
DE68915620T2 (de) 1995-01-12
DE68915620D1 (de) 1994-07-07
US4980515A (en) 1990-12-25
JPH01319918A (ja) 1989-12-26
EP0348131A2 (en) 1989-12-27
JPH0744116B2 (ja) 1995-05-15
CA1334855C (en) 1995-03-21
EP0348131B1 (en) 1994-06-01

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Legal Events

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Effective date: 19990630