BRPI0909472A2 - determinação de capacidade de isolamento degradada em um elemento operando de forma indutiva - Google Patents
determinação de capacidade de isolamento degradada em um elemento operando de forma indutivaInfo
- Publication number
- BRPI0909472A2 BRPI0909472A2 BRPI0909472A BRPI0909472A BRPI0909472A2 BR PI0909472 A2 BRPI0909472 A2 BR PI0909472A2 BR PI0909472 A BRPI0909472 A BR PI0909472A BR PI0909472 A BRPI0909472 A BR PI0909472A BR PI0909472 A2 BRPI0909472 A2 BR PI0909472A2
- Authority
- BR
- Brazil
- Prior art keywords
- determination
- operating element
- insulation capacity
- inductively operating
- degraded insulation
- 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
- G01R31/50—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
- G01R27/025—Measuring very high resistances, e.g. isolation resistances, i.e. megohm-meters
-
- 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
- G01R31/1272—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 of cable, line or wire insulation, e.g. using partial discharge measurements
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Relating To Insulation (AREA)
- Housings And Mounting Of Transformers (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08103183A EP2107384A1 (en) | 2008-03-31 | 2008-03-31 | Determining degraded insulating ability in an inductively operating element |
PCT/EP2009/053533 WO2009121774A1 (en) | 2008-03-31 | 2009-03-25 | Determining degraded insulating ability in an inductively operating element |
Publications (1)
Publication Number | Publication Date |
---|---|
BRPI0909472A2 true BRPI0909472A2 (pt) | 2015-12-29 |
Family
ID=39739282
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0909472A BRPI0909472A2 (pt) | 2008-03-31 | 2009-03-25 | determinação de capacidade de isolamento degradada em um elemento operando de forma indutiva |
Country Status (7)
Country | Link |
---|---|
US (1) | US20110022338A1 (pt) |
EP (1) | EP2107384A1 (pt) |
CN (1) | CN102016613A (pt) |
BR (1) | BRPI0909472A2 (pt) |
CA (1) | CA2719760A1 (pt) |
RU (1) | RU2010144551A (pt) |
WO (1) | WO2009121774A1 (pt) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2493280B (en) * | 2011-07-28 | 2016-02-17 | Gen Electric | Method and system for monitoring a synchronous machine |
CN102636701B (zh) * | 2012-04-17 | 2014-07-09 | 深南电路有限公司 | 一种电感检测仪以及电感检测方法 |
CN106104284B (zh) * | 2013-12-20 | 2019-02-15 | 泛达公司 | 具有连续性检查的电压指示器 |
CN104198855A (zh) * | 2014-08-29 | 2014-12-10 | 国家电网公司 | 多因素相色管老化模拟实验方法 |
EP3480588B1 (en) * | 2016-07-01 | 2021-09-29 | LG Innotek Co., Ltd. | Method for detecting foreign material, and device and system therefor |
CN108693455A (zh) * | 2018-04-09 | 2018-10-23 | 中山大学 | 一种led器件性能退化的检测方法及检测系统 |
CN109884478A (zh) * | 2018-12-20 | 2019-06-14 | 国网浙江省电力有限公司金华供电公司 | 一种带电作业绝缘工器具绝缘性能检测装置及方法 |
CN113447537B (zh) * | 2021-06-25 | 2023-05-05 | 海南电网有限责任公司电力科学研究院 | 油纸绝缘频域介电谱测量方法、装置、存储介质和终端 |
CN114518513A (zh) * | 2022-02-24 | 2022-05-20 | 哈尔滨理工大学 | 一种干式空心电抗器匝间绝缘试验模型及其制备方法 |
US11920023B2 (en) | 2022-04-28 | 2024-03-05 | Rohm And Haas Electronic Materials Llc. | Composite materials for dielectric applications |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57141565A (en) | 1981-02-26 | 1982-09-01 | Toshiba Corp | Measuring method for sulphurization state of transformer containing oil |
CA2008898C (en) * | 1989-10-25 | 1998-11-24 | Takeshi Endoh | Method for detecting partial discharge in an insulation of an electric power apparatus |
JPH04176108A (ja) | 1990-11-07 | 1992-06-23 | Mitsubishi Electric Corp | 油入電気機器 |
US5440238A (en) | 1991-11-07 | 1995-08-08 | Sandia Corporation | Surface property detection apparatus and method |
JPH07335446A (ja) | 1994-06-14 | 1995-12-22 | Mitsubishi Electric Corp | 絶縁油及び油入電気機器の診断方法 |
US5648725A (en) * | 1995-09-12 | 1997-07-15 | Emerson Electric Co. | Pulse width modulation simulator for testing insulating materials |
US6088658A (en) * | 1997-04-11 | 2000-07-11 | General Electric Company | Statistical pattern analysis methods of partial discharge measurements in high voltage insulation |
US6870374B2 (en) | 2002-04-03 | 2005-03-22 | Abb Technology Ag | Process for identifying abnormalities in power transformers |
GB2422967B (en) * | 2003-10-22 | 2007-06-06 | Fujikura Ltd | Insulation degradation diagnostic device |
GB0504600D0 (en) * | 2005-03-04 | 2005-04-13 | Univ Strathclyde | Detecting partial discharge in high voltage cables |
DE102005025449B4 (de) | 2005-06-02 | 2007-05-03 | Omicron Electronics Gmbh | Verfahren und Vorrichtung zur Messung einer dielektrischen Antwort eines elektrischen Isoliersystems |
-
2008
- 2008-03-31 EP EP08103183A patent/EP2107384A1/en not_active Withdrawn
-
2009
- 2009-03-25 BR BRPI0909472A patent/BRPI0909472A2/pt not_active Application Discontinuation
- 2009-03-25 WO PCT/EP2009/053533 patent/WO2009121774A1/en active Application Filing
- 2009-03-25 CN CN2009801117503A patent/CN102016613A/zh active Pending
- 2009-03-25 CA CA2719760A patent/CA2719760A1/en not_active Abandoned
- 2009-03-25 RU RU2010144551/28A patent/RU2010144551A/ru unknown
-
2010
- 2010-09-29 US US12/893,645 patent/US20110022338A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
WO2009121774A1 (en) | 2009-10-08 |
EP2107384A1 (en) | 2009-10-07 |
CA2719760A1 (en) | 2009-10-08 |
CN102016613A (zh) | 2011-04-13 |
US20110022338A1 (en) | 2011-01-27 |
RU2010144551A (ru) | 2012-05-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B11A | Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing | ||
B11Y | Definitive dismissal acc. article 33 of ipl - extension of time limit for request of examination expired |