BR0300948A - Processo para identificar anormalidades em transformadores de força - Google Patents
Processo para identificar anormalidades em transformadores de forçaInfo
- Publication number
- BR0300948A BR0300948A BR0300948-3A BR0300948A BR0300948A BR 0300948 A BR0300948 A BR 0300948A BR 0300948 A BR0300948 A BR 0300948A BR 0300948 A BR0300948 A BR 0300948A
- Authority
- BR
- Brazil
- Prior art keywords
- dielectric losses
- power transformers
- section
- abnormality
- measured
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/62—Testing of transformers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
- G01R27/2688—Measuring quality factor or dielectric loss, e.g. loss angle, or power factor
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Testing Relating To Insulation (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US36967102P | 2002-04-03 | 2002-04-03 | |
US10/310,103 US6870374B2 (en) | 2002-04-03 | 2002-12-04 | Process for identifying abnormalities in power transformers |
Publications (1)
Publication Number | Publication Date |
---|---|
BR0300948A true BR0300948A (pt) | 2004-08-10 |
Family
ID=26977211
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0300948-3A BRPI0300948B1 (pt) | 2002-04-03 | 2003-04-01 | Método para identificar um tipo de anormalidade em um sistema de isolamento de um transformador de força |
BR0300948-3A BR0300948A (pt) | 2002-04-03 | 2003-04-01 | Processo para identificar anormalidades em transformadores de força |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0300948-3A BRPI0300948B1 (pt) | 2002-04-03 | 2003-04-01 | Método para identificar um tipo de anormalidade em um sistema de isolamento de um transformador de força |
Country Status (5)
Country | Link |
---|---|
US (1) | US6870374B2 (pt) |
BR (2) | BRPI0300948B1 (pt) |
DE (1) | DE10314592B4 (pt) |
FR (1) | FR2839188B1 (pt) |
GB (1) | GB2387234B (pt) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7078925B2 (en) * | 2003-03-11 | 2006-07-18 | Square D Company | Method and apparatus for detecting and correcting wiring errors in power monitoring applications |
SE529250C2 (sv) * | 2005-09-29 | 2007-06-12 | Abb Technology Ltd | Transformator med optimerade distansorgan |
US8237447B2 (en) * | 2007-05-11 | 2012-08-07 | Panasonic Ev Energy Co., Ltd. | Apparatus for detecting state of storage device |
EP2026062B1 (de) * | 2007-08-17 | 2014-12-17 | Omicron electronics GmbH | Verfahren und Vorrichtung zur Bestimmung des Feuchtegehalts einer Isolierung eines Transformators |
EP2107384A1 (en) | 2008-03-31 | 2009-10-07 | ABB Research Ltd. | Determining degraded insulating ability in an inductively operating element |
ES2370613T3 (es) | 2008-04-14 | 2011-12-20 | Abb Research Ltd. | Determinación de la capacidad aislante degradada en un aislamiento previsto entre dos objetos de un elemento de funcionamiento inductivo. |
DE602008003325D1 (de) * | 2008-06-26 | 2010-12-16 | Abb Technology Ltd | Testanordnung, Verfahren zur Herstellung eines Testkörpers, Verfahren zur Bestimmung eines Feuchtigkeitsgehalts bei der Isolierung eines Leistungstransformators beim Trocknen desselben |
TWI515522B (zh) * | 2010-12-28 | 2016-01-01 | 萬國商業機器公司 | 測定系統情況的方法、電腦程式及電腦 |
EP2487495A1 (de) * | 2011-02-14 | 2012-08-15 | Omicron electronics GmbH | Verfahren und Vorrichtung zum Messen einer dielektrischen Antwort eines elektrischen Isoliersystems |
CN102937683A (zh) * | 2012-11-29 | 2013-02-20 | 重庆大学 | 绝缘结构可调的介质响应测量装置 |
EP3288134B1 (en) * | 2016-08-26 | 2020-06-24 | ABB Power Grids Switzerland AG | Monitoring a transformer comprising a tap changer |
RU2643940C1 (ru) * | 2016-12-30 | 2018-02-06 | Общество с ограниченной ответственностью Научно-производственное объединение "Логотех" | Способ вибрационного безразборного диагностирования трансформатора |
CN107831356B (zh) * | 2017-12-07 | 2023-05-23 | 广东电网有限责任公司电力科学研究院 | 一种变压器暂态过电压及套管介质损耗信号同步采集装置 |
FR3088476B1 (fr) * | 2018-11-08 | 2022-01-28 | Thales Sa | Procede de detection et de transmission d'information de panne dormante |
EP3839524A1 (en) * | 2019-12-16 | 2021-06-23 | E.On Se | Method, device and arrangement for monitoring alternating current electric apparatuses |
CN113030665A (zh) * | 2021-03-17 | 2021-06-25 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | 一种柔性直流穿墙套管绝缘性能评估方法 |
CN114325495B (zh) * | 2021-12-20 | 2022-09-13 | 山东汇能电气有限公司 | 一种基于损耗比较的配电变压器用运行保护方法 |
CN116760196B (zh) * | 2023-08-22 | 2023-12-26 | 国网浙江省电力有限公司宁波供电公司 | 一种移动箱变车的控制方法、装置及移动箱变车 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2682168A (en) * | 1952-01-17 | 1954-06-29 | British Thomson Houston Co Ltd | Measurement of moisture in electric transformers |
US3189818A (en) * | 1962-06-14 | 1965-06-15 | Dielectric Instr Corp | Portable insulation testing equipment adaptable for conversion from straight to inverted schering-bridge operation |
US4757263A (en) * | 1987-05-01 | 1988-07-12 | Tennessee Valley Authority | Insulation power factor alarm monitor |
US5214595A (en) | 1988-05-16 | 1993-05-25 | Hitachi, Ltd. | Abnormality diagnosing system and method for a high voltage power apparatus |
HU214419B (hu) | 1989-11-09 | 1998-04-28 | B és C DIAGNOSTICS Kft | Eljárás és készülék szigetelési rendszer állapotának vizsgálatára |
JP2535292B2 (ja) * | 1992-10-23 | 1996-09-18 | 大電株式会社 | ケ―ブルの絶縁性能の低下を診断する方法 |
US5450315A (en) | 1994-09-26 | 1995-09-12 | Square D Company | Apparatus using a neural network for power factor calculation |
US5574378A (en) * | 1994-12-15 | 1996-11-12 | Square D Company | Insulation monitoring system for insulated high voltage apparatus |
US5869973A (en) | 1995-10-26 | 1999-02-09 | Nosov; Eugene I. | Time-domain dielectric spectroscopy method and apparatus |
US5754055A (en) | 1996-01-04 | 1998-05-19 | Mission Research Corporation | Lubricating fluid condition monitor |
US5656767A (en) | 1996-03-08 | 1997-08-12 | Computational Systems, Inc. | Automatic determination of moisture content and lubricant type |
JPH10170596A (ja) * | 1996-12-09 | 1998-06-26 | Hitachi Ltd | 絶縁機器診断システム及び部分放電検出法 |
US6064172A (en) | 1997-02-11 | 2000-05-16 | Power Superconductor Applications Corporation | Method and apparatus for detection, classification and reduction of internal electrical faults in alternating current propulsion machinery using synchronous detection scheme |
US6088658A (en) | 1997-04-11 | 2000-07-11 | General Electric Company | Statistical pattern analysis methods of partial discharge measurements in high voltage insulation |
-
2002
- 2002-12-04 US US10/310,103 patent/US6870374B2/en not_active Expired - Lifetime
-
2003
- 2003-03-28 GB GB0307258A patent/GB2387234B/en not_active Expired - Fee Related
- 2003-03-31 DE DE10314592.3A patent/DE10314592B4/de not_active Expired - Fee Related
- 2003-04-01 BR BRPI0300948-3A patent/BRPI0300948B1/pt not_active IP Right Cessation
- 2003-04-01 BR BR0300948-3A patent/BR0300948A/pt not_active IP Right Cessation
- 2003-04-02 FR FR0304096A patent/FR2839188B1/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20030189431A1 (en) | 2003-10-09 |
GB2387234A (en) | 2003-10-08 |
DE10314592A1 (de) | 2003-10-30 |
FR2839188A1 (fr) | 2003-10-31 |
BRPI0300948B1 (pt) | 2018-02-27 |
DE10314592B4 (de) | 2015-12-31 |
GB2387234B (en) | 2005-07-20 |
GB0307258D0 (en) | 2003-05-07 |
FR2839188B1 (fr) | 2006-03-24 |
US6870374B2 (en) | 2005-03-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B03H | Publication of an application: rectification [chapter 3.8 patent gazette] | ||
B07A | Application suspended after technical examination (opinion) [chapter 7.1 patent gazette] | ||
B09B | Patent application refused [chapter 9.2 patent gazette] |
Free format text: INDEFIRO O PEDIDO DE ACORDO COM O ARTIGO 8O COMBINADO COM ARTIGO 13 DA LPI |
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B12B | Appeal against refusal [chapter 12.2 patent gazette] | ||
B25A | Requested transfer of rights approved |
Owner name: ABB SCHWEIZ AG (CH) |
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B25L | Entry of change of name and/or headquarter and transfer of application, patent and certificate of addition of invention: publication cancelled |
Owner name: ABB TECHNOLOGY AG (CH) |
|
B25C | Requirement related to requested transfer of rights |
Owner name: ABB TECHNOLOGY AG (CH) |
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B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] | ||
B25L | Entry of change of name and/or headquarter and transfer of application, patent and certificate of addition of invention: publication cancelled | ||
B25A | Requested transfer of rights approved | ||
B25C | Requirement related to requested transfer of rights |
Free format text: A FIM DE ATENDER A TRANSFERENCIA, REQUERIDA ATRAVES DA PETICAO NO 870220071478 DE 10/08/2022, E NECESSARIO APRESENTAR GUIA DE RECOLHIMENTO, CODIGO 248, RELATIVA A ALTERACAO DE ENDERECO DA EMPRESA CEDENTE. ALEM DISSO, E PRECISO APRESENTAR A GUIA DE CUMPRIMENTO DE EXIGENCIA. |
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B25G | Requested change of headquarter approved | ||
B25A | Requested transfer of rights approved | ||
B21F | Lapse acc. art. 78, item iv - on non-payment of the annual fees in time |
Free format text: REFERENTE A 20A ANUIDADE. |