BR112020024709A8 - Conjuntos de bobinas blindadas e métodos para transformadores do tipo seco - Google Patents

Conjuntos de bobinas blindadas e métodos para transformadores do tipo seco

Info

Publication number
BR112020024709A8
BR112020024709A8 BR112020024709A BR112020024709A BR112020024709A8 BR 112020024709 A8 BR112020024709 A8 BR 112020024709A8 BR 112020024709 A BR112020024709 A BR 112020024709A BR 112020024709 A BR112020024709 A BR 112020024709A BR 112020024709 A8 BR112020024709 A8 BR 112020024709A8
Authority
BR
Brazil
Prior art keywords
methods
end surface
shielded coil
coil assemblies
dry transformers
Prior art date
Application number
BR112020024709A
Other languages
English (en)
Other versions
BR112020024709A2 (pt
Inventor
Liang Haoning
Alsina Navarro Martin
Luiz Moreno Andre
Zhang Ming
Guo Yong
Original Assignee
Hainan Jinpan Smart Tech Co Ltd
Siemens Ag
Siemens Energy Global Gmbh & 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 Hainan Jinpan Smart Tech Co Ltd, Siemens Ag, Siemens Energy Global Gmbh & Co Kg filed Critical Hainan Jinpan Smart Tech Co Ltd
Publication of BR112020024709A2 publication Critical patent/BR112020024709A2/pt
Publication of BR112020024709A8 publication Critical patent/BR112020024709A8/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
    • H01F27/28—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
    • H01F27/34—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
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/32—Insulating of coils, windings, or parts thereof
    • H01F27/327—Encapsulating or impregnating
    • 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
    • H01F27/361—Electric or magnetic shields or screens made of combinations of electrically conductive material and ferromagnetic material
    • 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
    • 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
    • H01F27/366—Electric or magnetic shields or screens made of ferromagnetic material
    • 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
    • H01F41/04—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 for manufacturing coils
    • H01F41/12—Insulating of windings
    • H01F41/127—Encapsulating or impregnating
    • 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
    • H01F27/327—Encapsulating or impregnating
    • H01F2027/328—Dry-type transformer with encapsulated foil winding, e.g. windings coaxially arranged on core legs with spacers for cooling and with three phases
    • 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
    • H01F2027/329—Insulation with semiconducting layer, e.g. to reduce corona effect

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Regulation Of General Use Transformers (AREA)
  • Coils Or Transformers For Communication (AREA)

Abstract

A presente invenção refere-se a um conjunto de bobina blindada (106,108,110) e um transformador do tipo seco (100) formado usando o conjunto de bobina blindada (106, 108, 110), compreendendo uma bobina (114) tendo uma superfície externa (202, 218a, 220a ), uma superfície interna (204, 218b, 220b), uma superfície de extremidade superior (206, 218c, 220c) e uma superfície de extremidade inferior (208, 218d, 220d) e um primeiro material isolante (216) formado sobre a superfície externa (202, 218a, 220a), superfície interna (204, 218b, 220b), superfície de extremidade superior (206, 218c, 220c) e superfície de extremidade inferior (208, 218d, 220d) da bobina (114); e uma blindagem condutora (210) que compreende uma tinta condutora aplicada ao longo do primeiro material isolante (216) de modo que a tinta condutora se estenda ao longo de pelo menos uma porção de cada uma da superfície externa (202, 218a, 220a), superfície interna (204, 218b, 220b), superfície de extremidade superior (206, 218c, 220c) e superfície de extremidade inferior (208, 218d, 220d) da bobina (114).
BR112020024709A 2018-06-07 2018-06-07 Conjuntos de bobinas blindadas e métodos para transformadores do tipo seco BR112020024709A8 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/090317 WO2019232763A1 (en) 2018-06-07 2018-06-07 Shielded coil assemblies and methods for dry-type transformers

Publications (2)

Publication Number Publication Date
BR112020024709A2 BR112020024709A2 (pt) 2021-03-30
BR112020024709A8 true BR112020024709A8 (pt) 2023-01-10

Family

ID=68769109

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112020024709A BR112020024709A8 (pt) 2018-06-07 2018-06-07 Conjuntos de bobinas blindadas e métodos para transformadores do tipo seco

Country Status (6)

Country Link
US (1) US11972893B2 (pt)
EP (1) EP3791413B1 (pt)
CN (1) CN113056800A (pt)
BR (1) BR112020024709A8 (pt)
CA (1) CA3102648C (pt)
WO (1) WO2019232763A1 (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4191620A1 (en) * 2021-12-06 2023-06-07 ABB Schweiz AG Transformer and method of forming transformer
CN114743778A (zh) * 2022-03-07 2022-07-12 华为数字能源技术有限公司 变压器的高压组件、变压器和电力设备

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS593907A (ja) 1982-06-29 1984-01-10 Hitachi Ltd モ−ルド変圧器
FR2784787B1 (fr) 1998-10-20 2002-10-11 France Transfo Sa Transformateur sec de puissance ou de distribution de l'energie electrique
DE102005015785A1 (de) 2005-04-01 2006-11-16 Siemens Ag Transformator mit elektrischer Abschirmung
US20080061915A1 (en) 2006-09-11 2008-03-13 Rodney Godbey Dry-type transformer with shielded core/coil assembly and method of manufacturing the same
JP2008187015A (ja) * 2007-01-30 2008-08-14 Hitachi Ltd 高電圧樹脂モールド変圧器
EP2201582A1 (en) 2007-09-21 2010-06-30 ABB Technology AG A dry-type transformer with a polymer shield case and a method of manufacturing the same
AT507164B1 (de) 2008-04-18 2010-03-15 Trench Austria Gmbh Elektrostatische abschirmung für einen hgü-bauteil
KR100927685B1 (ko) 2008-09-01 2009-11-20 제룡산업 주식회사 지중 매설형 고형 절연 변압기의 제조방법
BRPI0903695A2 (pt) 2009-05-19 2011-02-15 Siemens Ltda transformador de distribuição seco submersìvel
BRPI1101495B1 (pt) 2011-04-15 2020-09-24 Siemens Aktiengesellschaft Transformador de distribuição a seco trifásico ou monofásico e método de isolação elétrica para um painel de taps de um transformador de distribuição a seco trifásico ou monofásico
US9257224B2 (en) * 2012-12-21 2016-02-09 Raytheon Company Shield for toroidal core electromagnetic device, and toroidal core electromagnetic devices utilizing such shields
US20150109090A1 (en) * 2013-10-21 2015-04-23 Hammond Power Solutions, Inc. Electrical transformer with a shielded cast coil assembly
EP3144944A1 (de) 2015-09-18 2017-03-22 Siemens Aktiengesellschaft Elektrische wicklung, trockentransformator mit einer solchen elektrischen wicklung und verfahren zur herstellung einer elektrischen wicklung
DE102016202391A1 (de) 2016-02-17 2017-08-31 Siemens Aktiengesellschaft Kompakter Trockentransformator mit einer elektrischen Wicklung und Verfahren zur Herstellung einer elektrischen Wicklung
EP3282456B1 (en) 2016-08-12 2019-04-17 ABB Schweiz AG Traction transformer
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

Also Published As

Publication number Publication date
CN113056800A (zh) 2021-06-29
CA3102648C (en) 2023-10-31
US20210151246A1 (en) 2021-05-20
BR112020024709A2 (pt) 2021-03-30
EP3791413A1 (en) 2021-03-17
EP3791413B1 (en) 2023-08-02
US11972893B2 (en) 2024-04-30
EP3791413A4 (en) 2022-01-05
CA3102648A1 (en) 2019-12-12
WO2019232763A1 (en) 2019-12-12

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Legal Events

Date Code Title Description
B06W Patent application suspended after preliminary examination (for patents with searches from other patent authorities) chapter 6.23 patent gazette]
B25A Requested transfer of rights approved

Owner name: HAINAN JINPAN SMART TECHNOLOGY CO. LTD (CN) ; SIEMENS ENERGY GLOBAL GMBH AND CO. KG (DE)