BR112013007671A2 - método e dispositivo para reduzir uma fração de fluxo unidirecional magnético no núcleo de um transformador - Google Patents

método e dispositivo para reduzir uma fração de fluxo unidirecional magnético no núcleo de um transformador

Info

Publication number
BR112013007671A2
BR112013007671A2 BR112013007671A BR112013007671A BR112013007671A2 BR 112013007671 A2 BR112013007671 A2 BR 112013007671A2 BR 112013007671 A BR112013007671 A BR 112013007671A BR 112013007671 A BR112013007671 A BR 112013007671A BR 112013007671 A2 BR112013007671 A2 BR 112013007671A2
Authority
BR
Brazil
Prior art keywords
reducing
magnetic flux
transformer core
way magnetic
flux fraction
Prior art date
Application number
BR112013007671A
Other languages
English (en)
Other versions
BR112013007671B1 (pt
Inventor
Albert Leikermoser
Peter Hamberger
Original Assignee
Siemens Ag Oesterreich
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 Ag Oesterreich filed Critical Siemens Ag Oesterreich
Publication of BR112013007671A2 publication Critical patent/BR112013007671A2/pt
Publication of BR112013007671B1 publication Critical patent/BR112013007671B1/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
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/38—Auxiliary core members; Auxiliary coils or windings
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F7/00—Regulating magnetic variables
    • 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
    • H01F27/33—Arrangements for noise damping
    • 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
    • H01F27/42—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
    • H01F29/14—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias
    • H01F2029/143—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias with control winding for generating magnetic bias

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Electrical Variables (AREA)
  • Protection Of Transformers (AREA)
BR112013007671-2A 2010-09-29 2010-09-29 dispositivo e método para reduzir uma fração de fluxo unidirecional magnético no núcleo de um transformador e método para aperfeiçoar um transformador BR112013007671B1 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2010/064397 WO2012041368A1 (de) 2010-09-29 2010-09-29 Vorrichtung und verfahren zum verringern eines magnetischen gleichfluss-anteils im kern eines transformators

Publications (2)

Publication Number Publication Date
BR112013007671A2 true BR112013007671A2 (pt) 2016-08-09
BR112013007671B1 BR112013007671B1 (pt) 2020-11-03

Family

ID=43038065

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112013007671-2A BR112013007671B1 (pt) 2010-09-29 2010-09-29 dispositivo e método para reduzir uma fração de fluxo unidirecional magnético no núcleo de um transformador e método para aperfeiçoar um transformador

Country Status (8)

Country Link
US (1) US9046901B2 (pt)
EP (1) EP2622614B1 (pt)
KR (1) KR101720039B1 (pt)
CN (1) CN103270561B (pt)
AU (1) AU2010361382B2 (pt)
BR (1) BR112013007671B1 (pt)
CA (1) CA2813057C (pt)
WO (1) WO2012041368A1 (pt)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2910674C (en) 2013-05-28 2018-03-13 Siemens Aktiengesellschaft Apparatus for reducing a magnetic unidirectional flux component in the core of a transformer
WO2015086047A1 (de) 2013-12-10 2015-06-18 Siemens Aktiengesellschaft Vorrichtung und verfahren zur verringerung eines magnetischen gleichfluss-anteils im kern eines dreiphasentransformators
CN105793935B (zh) * 2013-12-10 2018-01-26 西门子公司 用于减小在变压器的铁心中的单向磁通量分量的设备和方法
EP2905792B1 (de) * 2014-02-06 2016-09-21 Siemens Aktiengesellschaft Vorrichtung zur Verringerung eines magnetischen Gleichfluss-Anteils im Kern eines Transformators
BR112016020693B8 (pt) 2014-03-19 2023-04-25 Siemens Ag Método para compensar um ou mais componentes cc em um sistema elétrico
EP3021335B1 (de) 2014-11-11 2018-12-26 Siemens Aktiengesellschaft Anordnung und Verfahren zur Verringerung eines magnetischen Gleichfluss-Anteils im Kern eines Transformators
EP3065150B1 (de) 2015-03-05 2017-11-29 Siemens Aktiengesellschaft Transformator
EP3076411B1 (de) * 2015-04-01 2017-11-29 Siemens Aktiengesellschaft Schaltungsanordnung zum verringern eines magnetischen gleichfluss-anteils im kern eines transformators
EP3179617B1 (de) 2015-12-09 2018-10-03 Siemens Aktiengesellschaft Schaltungsanordnung zur kompensation eines gleichstromanteils in einem transformator
EP3196902B1 (de) 2016-01-25 2019-04-24 Siemens Aktiengesellschaft Schaltungsanordnung zur verringerung eines gleichfluss-anteils im weichmagnetischen kern eines transformators
US11146053B2 (en) 2016-01-29 2021-10-12 Power Hv Inc. Bushing for a transformer
DE102018222183A1 (de) * 2018-12-18 2020-06-18 Siemens Aktiengesellschaft Magnetisch regelbare Drosselspule in Reihenschaltung
EP3783630B1 (de) * 2019-08-22 2023-10-04 Siemens Energy Global GmbH & Co. KG Vorrichtung zum unterdrücken eines gleichstromanteils beim betrieb eines an ein hochspannungsnetz angeschlossenen elektrischen geräts
EP3786986B1 (de) 2019-08-28 2023-10-04 Siemens Energy Global GmbH & Co. KG Schaltungsanordnung zur verringerung eines gleichfluss-anteils im weichmagnetischen kern eines transformators

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2013000A (en) * 1978-01-20 1979-08-01 Hitachi Ltd Dc D.C. magnetic field cancellation circuit
US4346340A (en) * 1980-04-30 1982-08-24 Hackett Jones Francis C Method and means for controlling the flux density in the core of an inductor
DE3631438A1 (de) * 1986-09-16 1988-03-17 Telefonbau & Normalzeit Gmbh Schaltungsanordnung zur kompensation von gleichstromdurchflutungen in uebertragern
DE4021860C2 (de) 1990-07-09 1996-08-22 Siemens Ag Schaltungsanordnung und Verfahren zur Minderung eines Geräusches bei einem Transformator
CN2256154Y (zh) * 1995-03-01 1997-06-11 郑文京 有源高速电子互感器
US20040196675A1 (en) * 2002-08-05 2004-10-07 David Cope Self-powered direct current mitigation circuit for transformers
WO2008151661A1 (de) * 2007-06-12 2008-12-18 Siemens Transformers Austria Gmbh & Co Kg Elektrischer transformator mit gleichfluss-kompensation

Also Published As

Publication number Publication date
EP2622614A1 (de) 2013-08-07
CA2813057A1 (en) 2012-04-05
AU2010361382A1 (en) 2013-04-11
CN103270561A (zh) 2013-08-28
BR112013007671B1 (pt) 2020-11-03
KR101720039B1 (ko) 2017-03-27
WO2012041368A1 (de) 2012-04-05
EP2622614B1 (de) 2015-03-18
KR20130099982A (ko) 2013-09-06
US9046901B2 (en) 2015-06-02
CA2813057C (en) 2018-01-02
US20130201592A1 (en) 2013-08-08
CN103270561B (zh) 2016-09-21
AU2010361382B2 (en) 2014-07-24

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Legal Events

Date Code Title Description
B25A Requested transfer of rights approved

Owner name: SIEMENS AKTIENGESELLSCHAFT (DE)

B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 03/11/2020, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 12A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2690 DE 26-07-2022 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.