BR112014009396B1 - Estrutura de sensor para o monitoramento online de níveis de furanos no óleo de um tanque de transformador e método para o monitoramento online de níveis de furanos no óleo de um tanque de transformador - Google Patents
Estrutura de sensor para o monitoramento online de níveis de furanos no óleo de um tanque de transformador e método para o monitoramento online de níveis de furanos no óleo de um tanque de transformador Download PDFInfo
- Publication number
- BR112014009396B1 BR112014009396B1 BR112014009396-2A BR112014009396A BR112014009396B1 BR 112014009396 B1 BR112014009396 B1 BR 112014009396B1 BR 112014009396 A BR112014009396 A BR 112014009396A BR 112014009396 B1 BR112014009396 B1 BR 112014009396B1
- Authority
- BR
- Brazil
- Prior art keywords
- light
- sensor structure
- oil
- window
- furans
- Prior art date
Links
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 238000012544 monitoring process Methods 0.000 title claims abstract description 10
- 238000000034 method Methods 0.000 title claims description 10
- 150000002240 furans Chemical class 0.000 claims abstract description 39
- 239000000835 fiber Substances 0.000 claims description 13
- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims 3
- 239000013307 optical fiber Substances 0.000 claims 1
- 239000011521 glass Substances 0.000 description 5
- 230000032683 aging Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000004128 high performance liquid chromatography Methods 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/59—Transmissivity
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/33—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using ultraviolet light
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/06—Illumination; Optics
- G01N2201/062—LED's
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/08—Optical fibres; light guides
- G01N2201/084—Fibres for remote transmission
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Health & Medical Sciences (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Housings And Mounting Of Transformers (AREA)
- Testing Relating To Insulation (AREA)
Abstract
Description
Claims (20)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201161549793P | 2011-10-21 | 2011-10-21 | |
US61/549,793 | 2011-10-21 | ||
PCT/US2012/059417 WO2013059032A1 (en) | 2011-10-21 | 2012-10-10 | Sensor structure for online monitoring of furans in power transformers |
Publications (2)
Publication Number | Publication Date |
---|---|
BR112014009396A2 BR112014009396A2 (pt) | 2017-04-18 |
BR112014009396B1 true BR112014009396B1 (pt) | 2021-11-09 |
Family
ID=47146682
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112014009396-2A BR112014009396B1 (pt) | 2011-10-21 | 2012-10-10 | Estrutura de sensor para o monitoramento online de níveis de furanos no óleo de um tanque de transformador e método para o monitoramento online de níveis de furanos no óleo de um tanque de transformador |
Country Status (6)
Country | Link |
---|---|
US (1) | US9383315B2 (pt) |
EP (1) | EP2769205A1 (pt) |
CN (1) | CN103930770B (pt) |
BR (1) | BR112014009396B1 (pt) |
CA (1) | CA2857124C (pt) |
WO (1) | WO2013059032A1 (pt) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103996493B (zh) * | 2014-05-08 | 2016-02-10 | 昆山佑翔电子科技有限公司 | 基于油浊度监测的预报警变压器 |
JP6725690B2 (ja) * | 2016-07-27 | 2020-07-22 | ヒューレット−パッカード デベロップメント カンパニー エル.ピー.Hewlett‐Packard Development Company, L.P. | 3次元積層造形における粉末の供給 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3308712A (en) * | 1963-11-06 | 1967-03-14 | Ibm | Transducer for spectrum analysis applicable to closed loop control |
US3925220A (en) * | 1972-08-15 | 1975-12-09 | Sun Oil Co Pennsylvania | Process of comprising solvent extraction of a blended oil |
CA2054616A1 (en) | 1991-10-31 | 1993-05-01 | John Sabau | Method of determining stability of insulating oil |
TW343281B (en) * | 1996-06-28 | 1998-10-21 | Hitachi Ltd | Method and apparatus for diagnosing degradation of an electric machine |
SG99872A1 (en) * | 1999-10-26 | 2003-11-27 | Mitsubishi Heavy Ind Ltd | Method and apparatus for laser analysis of dioxins |
CN1445527A (zh) * | 2003-04-29 | 2003-10-01 | 上海交通大学 | 变压器油带电量测定用光纤传感器 |
CN100351624C (zh) * | 2005-01-13 | 2007-11-28 | 上海众毅工业控制技术有限公司 | 基于喇曼技术的电力变压器油中溶解气体分析装置 |
CN101762680A (zh) * | 2008-12-24 | 2010-06-30 | 上海宝钢工业检测公司 | 大型变压器油寿命的检测方法 |
CN102000448B (zh) * | 2009-09-02 | 2013-07-17 | 湖北省电力公司电力科学研究院 | 变压器油中呋喃系列化合物的快速高效萃取方法及用于萃取的比色管振荡托架 |
CN101887094A (zh) * | 2010-06-30 | 2010-11-17 | 河南省电力公司济源供电公司 | 变压器固体绝缘老化程度的判断方法 |
-
2012
- 2012-10-10 EP EP12783739.1A patent/EP2769205A1/en active Pending
- 2012-10-10 CN CN201280051513.4A patent/CN103930770B/zh active Active
- 2012-10-10 BR BR112014009396-2A patent/BR112014009396B1/pt active IP Right Grant
- 2012-10-10 WO PCT/US2012/059417 patent/WO2013059032A1/en active Application Filing
- 2012-10-10 US US14/351,890 patent/US9383315B2/en active Active
- 2012-10-10 CA CA2857124A patent/CA2857124C/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN103930770B (zh) | 2017-02-22 |
US20140291536A1 (en) | 2014-10-02 |
CA2857124A1 (en) | 2013-04-25 |
BR112014009396A2 (pt) | 2017-04-18 |
EP2769205A1 (en) | 2014-08-27 |
CA2857124C (en) | 2019-08-13 |
CN103930770A (zh) | 2014-07-16 |
WO2013059032A1 (en) | 2013-04-25 |
US9383315B2 (en) | 2016-07-05 |
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B25G | Requested change of headquarter approved |
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B25A | Requested transfer of rights approved |
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B25D | Requested change of name of applicant approved |
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