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 indutiva

Info

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
Application number
BRPI0909472A
Other languages
English (en)
Inventor
Uno Gäfvert
Original Assignee
Abb Research Ltd
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 Abb Research Ltd filed Critical Abb Research Ltd
Publication of BRPI0909472A2 publication Critical patent/BRPI0909472A2/pt

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)
BRPI0909472A 2008-03-31 2009-03-25 determinação de capacidade de isolamento degradada em um elemento operando de forma indutiva BRPI0909472A2 (pt)

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)

* Cited by examiner, † Cited by third party
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
EP3084454B1 (en) * 2013-12-20 2021-02-17 Panduit Corp. Voltage indicator with continuity check
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
CN109952503B (zh) * 2016-07-01 2022-09-09 Lg伊诺特有限公司 用于检测异物的方法及其设备和系统
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)

* Cited by examiner, † Cited by third party
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
NO302494B1 (no) * 1989-10-25 1998-03-09 Hitachi Cable Fremgangsmåte for deteksjon av en partiell utladning i en isolasjon av en elektrisk kraftkabel
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

Also Published As

Publication number Publication date
WO2009121774A1 (en) 2009-10-08
RU2010144551A (ru) 2012-05-10
EP2107384A1 (en) 2009-10-07
US20110022338A1 (en) 2011-01-27
CA2719760A1 (en) 2009-10-08
CN102016613A (zh) 2011-04-13

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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