ZA200709163B - Apparatus and method for identifying the presence of high conductivity or permittivity conditions in electrically insulating materials - Google Patents
Apparatus and method for identifying the presence of high conductivity or permittivity conditions in electrically insulating materials Download PDFInfo
- Publication number
- ZA200709163B ZA200709163B ZA200709163A ZA200709163A ZA200709163B ZA 200709163 B ZA200709163 B ZA 200709163B ZA 200709163 A ZA200709163 A ZA 200709163A ZA 200709163 A ZA200709163 A ZA 200709163A ZA 200709163 B ZA200709163 B ZA 200709163B
- Authority
- ZA
- South Africa
- Prior art keywords
- electrode
- data
- electrodes
- insulator
- detector
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 21
- 239000012777 electrically insulating material Substances 0.000 title claims description 12
- 239000012212 insulator Substances 0.000 claims description 41
- 230000003287 optical effect Effects 0.000 claims description 16
- 238000007405 data analysis Methods 0.000 claims description 7
- 230000005684 electric field Effects 0.000 claims description 4
- 101001034845 Mus musculus Interferon-induced transmembrane protein 3 Proteins 0.000 claims 1
- 229920000642 polymer Polymers 0.000 description 10
- 238000005259 measurement Methods 0.000 description 9
- 230000007547 defect Effects 0.000 description 8
- 239000011152 fibreglass Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- -1 HF HV supply Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- 239000005304 optical glass Substances 0.000 description 1
- 239000012211 strain insulator Substances 0.000 description 1
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
- G01R31/1245—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 line insulators or spacers, e.g. ceramic overhead line cap insulators; of insulators in HV bushings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/20—Investigating the presence of flaws
-
- 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
-
- 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
- G01R31/1218—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 using optical methods; using charged particle, e.g. electron, beams or X-rays
-
- 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
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/554,069 US7486084B2 (en) | 2006-10-30 | 2006-10-30 | Apparatus and method for identifying the presence of high conductivity or permittivity conditions in electrically insulating materials |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA200709163B true ZA200709163B (en) | 2008-11-26 |
Family
ID=38476580
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA200709163A ZA200709163B (en) | 2006-10-30 | 2007-10-24 | Apparatus and method for identifying the presence of high conductivity or permittivity conditions in electrically insulating materials |
Country Status (7)
Country | Link |
---|---|
US (1) | US7486084B2 (de) |
JP (1) | JP4592734B2 (de) |
AU (1) | AU2007216846B2 (de) |
DE (1) | DE102007051831A1 (de) |
FR (1) | FR2907907A1 (de) |
GB (1) | GB2443497B (de) |
ZA (1) | ZA200709163B (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8525526B2 (en) * | 2009-11-13 | 2013-09-03 | Hubbell Incorporated | High voltage test terminal having a shock-absorbing insulator |
US8991273B2 (en) | 2011-08-21 | 2015-03-31 | Electric Power Research Institute, Inc. | Apparatus and method for inspecting high voltage insulators |
US9063188B2 (en) * | 2011-08-21 | 2015-06-23 | Electric Power Research Institute, Inc. | Apparatus and method for identifying high risk non-ceramic insulators (NCI) with conductive or high permittivity defects |
US9903899B2 (en) | 2011-12-28 | 2018-02-27 | Electric Power Research Institute, Inc. | Leakage current sensor for post type insulator |
US9261549B2 (en) | 2011-12-28 | 2016-02-16 | Electric Power Research Institute, Inc. | Leakage current sensor for suspension type insulator |
US20140071592A1 (en) | 2012-09-10 | 2014-03-13 | Electric Power Research Institute, Inc. | Apparatus and method for monitoring substation disconnects and transmission line switches |
US9535105B2 (en) | 2013-12-12 | 2017-01-03 | Electric Power Research Institute, Inc. | Apparatus and method for measuring leakage currents on porcelain and glass insulator disc strings |
US9970759B2 (en) | 2014-09-02 | 2018-05-15 | Electric Power Research Institute, Inc. | Sensor and method for identifying downed power transmission conductors and structures |
US10073131B2 (en) | 2016-03-11 | 2018-09-11 | Electric Power Research Institute, Inc. | Apparatus and method for evaluating non-ceramic insulators with conformal probe |
KR101885666B1 (ko) * | 2016-09-01 | 2018-08-06 | (주) 멀티패스 | Rf 신호를 이용한 비접촉 방식의 전도도 및 비전도체 유전율 특성변화 측정장치 |
CN114791447B (zh) * | 2022-05-05 | 2024-01-12 | 杭州汇健科技有限公司 | 一种多通道气体传感器 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3421076A (en) | 1966-10-03 | 1969-01-07 | Okonite Co | Cable scanning method and apparatus wherein corona discharge is detected only at approximately peak values of an applied voltage |
JPH071252B2 (ja) * | 1986-09-22 | 1995-01-11 | 古河電気工業株式会社 | プラスチツク絶縁ケ−ブルの欠陥部検出方法 |
WO1990005311A1 (en) * | 1988-11-03 | 1990-05-17 | Electric Power Research Institute, Inc. | Method and means for testing insulation integrity on low-voltage, unshielded electrical cables |
JP2550790B2 (ja) * | 1991-03-18 | 1996-11-06 | 日本電装株式会社 | 絶縁碍子の欠陥検出装置および欠陥検出方法 |
JPH0579479U (ja) * | 1992-03-27 | 1993-10-29 | 昭和電線電纜株式会社 | 絶縁油の絶縁破壊電圧測定用油容器 |
US5647561A (en) | 1993-08-12 | 1997-07-15 | Honeywell Inc. | Containment assembly for spin table |
FR2716721B1 (fr) | 1994-02-25 | 1996-05-15 | Elmetherm | Procédé et dispositif de contrôle de l'intégrité de moyens d'isolation électrique d'un objet comportant des moyens conducteurs. |
US6977509B2 (en) * | 2004-03-17 | 2005-12-20 | Clinton Instrument Company | System and method for high voltage testing of twisted insulated conductors |
-
2006
- 2006-10-30 US US11/554,069 patent/US7486084B2/en active Active
-
2007
- 2007-07-19 GB GB0714047A patent/GB2443497B/en not_active Expired - Fee Related
- 2007-09-19 AU AU2007216846A patent/AU2007216846B2/en active Active
- 2007-10-05 JP JP2007261473A patent/JP4592734B2/ja not_active Expired - Fee Related
- 2007-10-17 FR FR0707272A patent/FR2907907A1/fr not_active Withdrawn
- 2007-10-24 ZA ZA200709163A patent/ZA200709163B/en unknown
- 2007-10-30 DE DE102007051831A patent/DE102007051831A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
GB2443497A (en) | 2008-05-07 |
DE102007051831A1 (de) | 2008-07-17 |
JP4592734B2 (ja) | 2010-12-08 |
US20080100299A1 (en) | 2008-05-01 |
GB2443497B (en) | 2009-11-25 |
AU2007216846B2 (en) | 2009-02-12 |
JP2008111835A (ja) | 2008-05-15 |
FR2907907A1 (fr) | 2008-05-02 |
GB0714047D0 (en) | 2007-08-29 |
AU2007216846A1 (en) | 2008-05-15 |
US7486084B2 (en) | 2009-02-03 |
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