BR112013001938A2 - método para estimativa de fluxo magnético residual de transformador e dispositivo para estimativa de fluxo magnético residual - Google Patents
método para estimativa de fluxo magnético residual de transformador e dispositivo para estimativa de fluxo magnético residualInfo
- Publication number
- BR112013001938A2 BR112013001938A2 BR112013001938A BR112013001938A BR112013001938A2 BR 112013001938 A2 BR112013001938 A2 BR 112013001938A2 BR 112013001938 A BR112013001938 A BR 112013001938A BR 112013001938 A BR112013001938 A BR 112013001938A BR 112013001938 A2 BR112013001938 A2 BR 112013001938A2
- Authority
- BR
- Brazil
- Prior art keywords
- magnetic flux
- residual magnetic
- voltage
- transformer
- flux estimation
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/0064—Arrangements or instruments for measuring magnetic variables comprising means for performing simulations, e.g. of the magnetic variable to be measured
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/12—Measuring magnetic properties of articles or specimens of solids or fluids
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Measuring Magnetic Variables (AREA)
- Protection Of Transformers (AREA)
Abstract
método para estimativa de fluxo magnético residual de transformador e dispositivo para estimativa de fluxo magnético residual. descreve-se, após testes e inspeções no local envolvendo tensão cc sendo aplicada a enrolamentos de transformador, um método para estimativa de fluxo magnético residual de transformadores e um dispositivo para estimativa de fluxo magnético residual para estimar o fluxo magnético residual. descreve-se um dispositivo para estimativa de fluxo magnético residual (1) provido com um dispositivo para controle de fonte de alimentação cc (300) para aplicar uma tensão cc entre dois terminais de uma conexão <30>, que é um enrolamento secundário ou um enrolamento terciário, de um dispositivo para medição de tensão (12) medir a tensão de terminal no lado primário de um transformador trifásico (200), um dispositivo computacional (13) para determinar uma fse que tem um alta tensão entre as duas fases diferentes da fase em que a tensão é aplicada, e um dispositivo para medição de fluxo magnético residual (14) que mede a linha compreendendo as dua fases diferentes de fase determinada que irá ter o fluxo magnético residual máximo.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010167017A JP5646237B2 (ja) | 2010-07-26 | 2010-07-26 | 変圧器の残留磁束推定方法及び残留磁束推定装置 |
PCT/JP2011/004151 WO2012014425A1 (ja) | 2010-07-26 | 2011-07-22 | 変圧器の残留磁束推定方法及び残留磁束推定装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR112013001938A2 true BR112013001938A2 (pt) | 2017-06-06 |
Family
ID=45529658
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112013001938A BR112013001938A2 (pt) | 2010-07-26 | 2011-07-22 | método para estimativa de fluxo magnético residual de transformador e dispositivo para estimativa de fluxo magnético residual |
Country Status (5)
Country | Link |
---|---|
US (1) | US9291686B2 (pt) |
JP (1) | JP5646237B2 (pt) |
CN (1) | CN102959421B (pt) |
BR (1) | BR112013001938A2 (pt) |
WO (1) | WO2012014425A1 (pt) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2974939B1 (fr) * | 2011-05-03 | 2013-06-28 | Alstom Grid Sas | Procede de commande d'un appareil d'interruption de courant dans un reseau electrique haute tension |
US9581637B2 (en) * | 2011-05-17 | 2017-02-28 | Haefely Test Ag | Apparatus and method for testing winding resistances of transformers based on an inductive voltage drop |
JP5713848B2 (ja) | 2011-09-14 | 2015-05-07 | 株式会社東芝 | 励磁突入電流抑制装置 |
JP5343118B2 (ja) | 2011-12-07 | 2013-11-13 | 株式会社興電舎 | 励磁突入電流抑制装置 |
US9008982B2 (en) * | 2012-03-09 | 2015-04-14 | Schweitzer Engineering Laboratories, Inc. | Systems and methods for determining residual flux in a power transformer |
CN102645640A (zh) * | 2012-04-25 | 2012-08-22 | 云南电力试验研究院(集团)有限公司电力研究院 | 一种直流法测量铁磁元件剩磁通的方法 |
WO2014054105A1 (ja) * | 2012-10-01 | 2014-04-10 | 富士通株式会社 | 配電管理装置、配電管理方法及び配電管理プログラム |
JP5468691B1 (ja) * | 2013-03-19 | 2014-04-09 | 中国電力株式会社 | 変圧器の磁気飽和特性推定システム、磁気飽和特性推定システムおよび磁気飽和特性推定方法 |
CN104459578B (zh) * | 2014-12-02 | 2017-04-05 | 西安交通大学 | Yyn0型三相组式变压器非故障跳闸的剩磁估计方法 |
CN105445680B (zh) * | 2015-12-08 | 2018-06-15 | 云南电力试验研究院(集团)有限公司 | 基于对偶原理等效模型的三相三铁芯柱变压器铁芯和铁轭剩磁通的测量方法 |
WO2018101089A1 (ja) * | 2016-11-29 | 2018-06-07 | シャープ株式会社 | 液晶装置、液晶装置の残留dc電圧値を求める方法、液晶装置の駆動方法、および液晶装置の製造方法 |
WO2019060841A1 (en) | 2017-09-22 | 2019-03-28 | Schweitzer Engineering Laboratories, Inc. | HIGH RELIABILITY VOLTAGE MEASUREMENT USING A RESISTIVE DIVIDER IN A CAPACITIVE COUPLING VOLTAGE TRANSFORMER |
US10802054B2 (en) | 2017-09-22 | 2020-10-13 | Schweitzer Engineering Laboratories, Inc. | High-fidelity voltage measurement using a capacitance-coupled voltage transformer |
US11038342B2 (en) | 2017-09-22 | 2021-06-15 | Schweitzer Engineering Laboratories, Inc. | Traveling wave identification using distortions for electric power system protection |
CN108459229A (zh) * | 2018-01-15 | 2018-08-28 | 云南电网有限责任公司电力科学研究院 | 一种振荡波检测变压器角形接线绕组变形回路及方法 |
US11187727B2 (en) | 2019-04-29 | 2021-11-30 | Schweitzer Engineering Laboratories, Inc. | Capacitance-coupled voltage transformer monitoring |
CN112068050B (zh) * | 2020-09-10 | 2023-10-13 | 云南电网有限责任公司电力科学研究院 | 一种变压器剩磁量化评估与消除方法 |
CN113325345B (zh) * | 2021-06-02 | 2024-04-09 | 云南电网有限责任公司电力科学研究院 | 一种对变压器铁芯剩磁进行测试的装置及方法 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH06276669A (ja) * | 1993-03-18 | 1994-09-30 | Nissin Electric Co Ltd | 中性点接地装置 |
JPH0728534A (ja) * | 1993-07-13 | 1995-01-31 | Toshiba Corp | 電力変換装置の制御装置 |
US5495403A (en) * | 1994-12-24 | 1996-02-27 | Sundstrand Corporation | Stepped-waveform power converter utilizing a summing transformer and a single inverter bridge |
JP2910616B2 (ja) * | 1995-04-27 | 1999-06-23 | 三菱電機株式会社 | 電圧源型電力変換装置 |
JPH10117497A (ja) * | 1996-10-14 | 1998-05-06 | Sony Corp | 電力供給装置 |
US5781428A (en) * | 1997-03-03 | 1998-07-14 | Paice; Derek A. | Transformer for 12-pulse series connection of converters |
US6393265B1 (en) * | 1998-11-09 | 2002-05-21 | Smith Technology Development Llc. | Method and apparatus for two dimensional filtering in a communications system using a transformer system |
JP2002075145A (ja) | 2000-09-04 | 2002-03-15 | Hitachi Ltd | 励磁突入電流抑制装置付きガス遮断器 |
WO2002071809A1 (en) * | 2001-02-16 | 2002-09-12 | Inductotherm Corp. | Simultaneous induction heating and stirring of a molten metal |
US6566895B2 (en) * | 2001-07-27 | 2003-05-20 | The United States Of America As Represented By The Secretary Of The Navy | Unbalanced three phase delta power measurement apparatus and method |
US6944033B1 (en) * | 2002-11-08 | 2005-09-13 | Va Tech Intellectual Properties | Multi-phase interleaving isolated DC/DC converter |
JP4702373B2 (ja) * | 2006-01-31 | 2011-06-15 | 三菱電機株式会社 | 残留磁束測定装置 |
CA2670907C (en) * | 2006-11-29 | 2012-10-30 | Kabushiki Kaisha Toshiba | Magnetizing inrush current suppression device and method for transformer |
JP2008140580A (ja) | 2006-11-30 | 2008-06-19 | Toshiba Corp | 3相変圧器の励磁突入電流抑制装置 |
JP4835870B2 (ja) * | 2007-10-16 | 2011-12-14 | 三菱電機株式会社 | 突入電流抑制装置 |
JP5055602B2 (ja) * | 2007-11-27 | 2012-10-24 | 三菱電機株式会社 | 変圧器の運転制御装置および方法 |
JP5208593B2 (ja) * | 2008-06-20 | 2013-06-12 | 株式会社東芝 | 変圧器の励磁突入電流抑制装置及びその制御方法 |
JP5148435B2 (ja) * | 2008-09-22 | 2013-02-20 | 北海道電力株式会社 | 変圧器の励磁突入電流抑制装置及びその制御方法 |
JP5459666B2 (ja) * | 2010-01-28 | 2014-04-02 | 株式会社東芝 | 励磁突入電流抑制装置 |
-
2010
- 2010-07-26 JP JP2010167017A patent/JP5646237B2/ja not_active Expired - Fee Related
-
2011
- 2011-07-22 BR BR112013001938A patent/BR112013001938A2/pt not_active Application Discontinuation
- 2011-07-22 WO PCT/JP2011/004151 patent/WO2012014425A1/ja active Application Filing
- 2011-07-22 US US13/812,255 patent/US9291686B2/en active Active
- 2011-07-22 CN CN201180031674.2A patent/CN102959421B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20130176021A1 (en) | 2013-07-11 |
WO2012014425A1 (ja) | 2012-02-02 |
CN102959421B (zh) | 2015-02-25 |
JP2012028616A (ja) | 2012-02-09 |
JP5646237B2 (ja) | 2014-12-24 |
US9291686B2 (en) | 2016-03-22 |
CN102959421A (zh) | 2013-03-06 |
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