SE0301893L - Transformator med skydd mot likströmsmagnetisering förorsakad av nollföljdsström - Google Patents

Transformator med skydd mot likströmsmagnetisering förorsakad av nollföljdsström

Info

Publication number
SE0301893L
SE0301893L SE0301893A SE0301893A SE0301893L SE 0301893 L SE0301893 L SE 0301893L SE 0301893 A SE0301893 A SE 0301893A SE 0301893 A SE0301893 A SE 0301893A SE 0301893 L SE0301893 L SE 0301893L
Authority
SE
Sweden
Prior art keywords
current
transformer
zero
protection against
against direct
Prior art date
Application number
SE0301893A
Other languages
English (en)
Other versions
SE0301893D0 (sv
SE525698C2 (sv
Inventor
Mats Af Klercker Alakuela
Original Assignee
Forskarpatent I Syd Ab
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 Forskarpatent I Syd Ab filed Critical Forskarpatent I Syd Ab
Priority to SE0301893A priority Critical patent/SE525698C2/sv
Publication of SE0301893D0 publication Critical patent/SE0301893D0/sv
Priority to EP04737013A priority patent/EP1644946A1/en
Priority to PCT/SE2004/000974 priority patent/WO2005001857A1/en
Publication of SE0301893L publication Critical patent/SE0301893L/sv
Publication of SE525698C2 publication Critical patent/SE525698C2/sv
Priority to US11/318,838 priority patent/US7432699B2/en

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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F30/00—Fixed transformers not covered by group H01F19/00
    • H01F30/06—Fixed transformers not covered by group H01F19/00 characterised by the structure
    • H01F30/12—Two-phase, three-phase or polyphase transformers
    • 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
    • H01F27/40—Structural association with built-in electric component, e.g. fuse
    • H01F27/402—Association of measuring or protective means

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Coils Of Transformers For General Uses (AREA)
  • Transformers For Measuring Instruments (AREA)
SE0301893A 2003-06-27 2003-06-27 Transformator med skydd mot likströmsmagnetisering förorsakad av nollföljdsström SE525698C2 (sv)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE0301893A SE525698C2 (sv) 2003-06-27 2003-06-27 Transformator med skydd mot likströmsmagnetisering förorsakad av nollföljdsström
EP04737013A EP1644946A1 (en) 2003-06-27 2004-06-17 Transformer with protection against direct current magnetization caused by zero sequence current
PCT/SE2004/000974 WO2005001857A1 (en) 2003-06-27 2004-06-17 Transformer with protection against direct current magnetization caused by zero sequence current
US11/318,838 US7432699B2 (en) 2003-06-27 2005-12-27 Transformer with protection against direct current magnetization caused by zero sequence current

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0301893A SE525698C2 (sv) 2003-06-27 2003-06-27 Transformator med skydd mot likströmsmagnetisering förorsakad av nollföljdsström

Publications (3)

Publication Number Publication Date
SE0301893D0 SE0301893D0 (sv) 2003-06-27
SE0301893L true SE0301893L (sv) 2004-12-28
SE525698C2 SE525698C2 (sv) 2005-04-05

Family

ID=27656628

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0301893A SE525698C2 (sv) 2003-06-27 2003-06-27 Transformator med skydd mot likströmsmagnetisering förorsakad av nollföljdsström

Country Status (4)

Country Link
US (1) US7432699B2 (sv)
EP (1) EP1644946A1 (sv)
SE (1) SE525698C2 (sv)
WO (1) WO2005001857A1 (sv)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE527406C2 (sv) * 2004-05-10 2006-02-28 Forskarpatent I Syd Ab Förfarande och DC-avledare för skydd av kraftsystem mot geomagnetiskt inducerade strömmar
DE602005014198D1 (de) * 2005-03-29 2009-06-10 Sony Ericsson Mobile Comm Ab Verfahren zur gemeinsamen Benutzung von Information zwischen tragbaren Kommunikationsendgeräten und Kommunikationsendgerät dafür
US7589943B2 (en) * 2007-03-24 2009-09-15 Ramirez Vanessa De Los Angeles GIC reducer
US7974069B2 (en) * 2008-10-29 2011-07-05 General Electric Company Inductive and capacitive components integration structure
CN102543406B (zh) * 2011-01-04 2015-07-22 特变电工衡阳变压器有限公司 一种高阻抗组合式变压器
PL221896B1 (pl) * 2011-03-23 2016-06-30 Akademia Górniczo Hutnicza Im Stanisława Staszica W Krakowie Zintegrowany element indukcyjny
WO2015070345A1 (en) * 2013-11-12 2015-05-21 The University Of Manitoba Simultaneous measurement technique for line current, geomagnetically induced currents (gic) and transient currents in power systems
CA2930845C (en) 2013-12-10 2018-10-23 Siemens Aktiengesellschaft Device and method for reducing a magnetic unidirectional flux component of a transformer core
US10297383B2 (en) 2013-12-10 2019-05-21 Siemens Aktiengesellschaft Device and method for reducing a magnetic unidirectional flux component in the core of a three-phase transformer
EP2905792B1 (de) 2014-02-06 2016-09-21 Siemens Aktiengesellschaft Vorrichtung zur Verringerung eines magnetischen Gleichfluss-Anteils im Kern eines Transformators
JP6318874B2 (ja) * 2014-06-03 2018-05-09 株式会社デンソー リアクトル
CN104078195B (zh) * 2014-06-30 2017-01-11 深圳市汇川技术股份有限公司 三相耦合电抗器及变流器
US10008322B2 (en) 2014-10-29 2018-06-26 General Electric Company Filter assembly and method
WO2016100934A1 (en) * 2014-12-18 2016-06-23 Ali Mohd Hasan Apparatus for mitigation of adverse effects of geomagnetically induced currents on transformers
EP3065150B1 (de) 2015-03-05 2017-11-29 Siemens Aktiengesellschaft Transformator
DE102015122244B9 (de) 2015-12-18 2024-05-02 Tdk Electronics Ag Anordnung zur Kompensierung von in einem Übertrager induzierten Störspannungen
CN105490600B (zh) * 2016-02-04 2018-02-13 华自科技股份有限公司 发电机励磁系统及其参数设计方法和系统
JP6874758B2 (ja) * 2016-03-04 2021-05-19 日本電産株式会社 電力変換装置、モータ駆動ユニット、電動パワーステアリング装置およびリレーモジュール
WO2017190782A1 (de) * 2016-05-04 2017-11-09 Siemens Aktiengesellschaft Umrichteranordnung mit sternpunktbildner
CN106783059A (zh) * 2016-12-30 2017-05-31 上海意兰可电力电子设备有限公司 三相均流电抗器
WO2019023794A1 (en) * 2017-08-01 2019-02-07 Hyperion Sensors Inc. METHODS AND SYSTEMS FOR OPTICAL DETECTION FOR TRANSFORMERS AND THEIR CONSTRUCTION
JP6278153B1 (ja) * 2017-11-08 2018-02-14 日新電機株式会社 変圧器
US11249124B2 (en) 2019-07-11 2022-02-15 Essam Samir Elsahwi System and method for determining the impedance properties of a load using load analysis signals
EP4379759A1 (en) * 2022-11-29 2024-06-05 Delta Electronics (Thailand) Public Co., Ltd. Transformer assembly and electric conversion device

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US2917714A (en) * 1957-12-23 1959-12-15 Honeywell Regulator Co Plural phase oscillator
US3122699A (en) * 1959-07-28 1964-02-25 Schohan George Magnetic voltage regulator
US3215961A (en) * 1962-03-06 1965-11-02 Ite Circuit Breaker Ltd Stabilized wye-wye transformers
US3509507A (en) * 1968-12-30 1970-04-28 Westinghouse Electric Corp Grounded y - y three-phase transformer
US3504318A (en) * 1969-05-07 1970-03-31 Westinghouse Electric Corp Three-phase transformer with four legged magnetic core
US3624499A (en) * 1970-09-29 1971-11-30 Westinghouse Electric Corp Electrical transformer with zero sequence voltage indicator
US3701008A (en) * 1971-08-16 1972-10-24 Canadian Patents Dev Phantom burden arrangement for current transformer calibration
US4130790A (en) * 1977-04-25 1978-12-19 Hobart Brothers Company Ferroresonant transformer power supply
SU1631658A1 (ru) * 1989-02-02 1991-02-28 Институт Электродинамики Ан Усср Трехфазна воздушна лини электропередачи с глухозаземленной нейтралью
US5136453A (en) 1990-04-04 1992-08-04 Oliver Bernard M Method and means for suppressing geomagnetically induced currents
US5406437A (en) * 1994-04-14 1995-04-11 Levin; Michael I. Zero phase sequence current filter with adjustable impedance
US5557249A (en) * 1994-08-16 1996-09-17 Reynal; Thomas J. Load balancing transformer
CA2157307C (en) * 1994-10-10 1999-07-06 Luke Yu Zero-sequence current suppressor
DE19618114A1 (de) * 1996-05-06 1997-11-13 Vacuumschmelze Gmbh Stromkompensierter Stromsensor
US6043569A (en) * 1998-03-02 2000-03-28 Ferguson; Gregory N. C. Zero phase sequence current filter apparatus and method for connection to the load end of six or four-wire branch circuits
SE513879C2 (sv) * 1998-05-06 2000-11-20 Ericsson Telefon Ab L M Flerfaslikriktaranordning för att skapa en stabil nollpunkt i ett elektriskt system
AU2003273075A1 (en) 2003-08-29 2005-03-16 Pq Tech Inc. The harmonic reduction apparatus which use the resonance of the zero-phase-sequence impedance
SE527406C2 (sv) * 2004-05-10 2006-02-28 Forskarpatent I Syd Ab Förfarande och DC-avledare för skydd av kraftsystem mot geomagnetiskt inducerade strömmar
US7170268B2 (en) * 2004-08-09 2007-01-30 Lite-On Technology Corporation DC to DC converter with high frequency zigzag transformer

Also Published As

Publication number Publication date
US20060197511A1 (en) 2006-09-07
EP1644946A1 (en) 2006-04-12
SE0301893D0 (sv) 2003-06-27
US7432699B2 (en) 2008-10-07
WO2005001857A1 (en) 2005-01-06
SE525698C2 (sv) 2005-04-05

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