CN101173974B - 用交叉电容的发电机定子绕组绝缘体吸水测试装置和方法 - Google Patents
用交叉电容的发电机定子绕组绝缘体吸水测试装置和方法 Download PDFInfo
- Publication number
- CN101173974B CN101173974B CN2007101275181A CN200710127518A CN101173974B CN 101173974 B CN101173974 B CN 101173974B CN 2007101275181 A CN2007101275181 A CN 2007101275181A CN 200710127518 A CN200710127518 A CN 200710127518A CN 101173974 B CN101173974 B CN 101173974B
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- sensor
- electrode
- water
- insulator
- stator winding
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- 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
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
- G01N27/223—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance for determining moisture content, e.g. humidity
-
- 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
- G01R31/34—Testing dynamo-electric machines
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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Electrochemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Abstract
Description
Claims (9)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060060385A KR100815877B1 (ko) | 2006-06-30 | 2006-06-30 | 크로스 커패시턴스를 이용한 발전기 고정자 권선 절연물의흡습 시험 장치 및 그 방법 |
KR1020060060385 | 2006-06-30 | ||
KR10-2006-0060385 | 2006-06-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101173974A CN101173974A (zh) | 2008-05-07 |
CN101173974B true CN101173974B (zh) | 2011-04-27 |
Family
ID=38875909
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2007101275181A Expired - Fee Related CN101173974B (zh) | 2006-06-30 | 2007-06-28 | 用交叉电容的发电机定子绕组绝缘体吸水测试装置和方法 |
Country Status (4)
Country | Link |
---|---|
US (2) | US7403019B2 (zh) |
JP (1) | JP4384205B2 (zh) |
KR (1) | KR100815877B1 (zh) |
CN (1) | CN101173974B (zh) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101145995B1 (ko) * | 2010-08-23 | 2012-05-15 | 한국전력공사 | 계자 권선 절연 상태 진단 장치 및 방법 |
FR2989778B1 (fr) * | 2012-04-23 | 2014-05-16 | Renault Sa | Procede de determination de la localisation de defauts d'isolation electrique dans un bobinage de moteur electrique. |
US9287219B2 (en) | 2012-07-25 | 2016-03-15 | Silicon Laboratories Inc. | Radiation-blocking structures |
US20140026642A1 (en) * | 2012-07-25 | 2014-01-30 | John O. O'Connell | Capacitive sensor comprising differing unit cell structures |
US20140026652A1 (en) * | 2012-07-25 | 2014-01-30 | Timothy Cummins | Sensor for measuring high humidity conditions and/or condensation |
CN103207288B (zh) * | 2013-03-27 | 2015-06-24 | 中国计量科学研究院 | 一种实心电补偿辅助电极及其应用 |
CN103197181B (zh) * | 2013-03-27 | 2015-12-23 | 中国计量科学研究院 | 一种屏蔽电极模型组件及其应用 |
US9921125B2 (en) * | 2014-03-27 | 2018-03-20 | Nxp Usa, Inc. | Leak detector using capacitance sensor |
JP6261462B2 (ja) * | 2014-06-27 | 2018-01-17 | ミネベアミツミ株式会社 | レゾルバおよびその端子台構造ならびにモータの回転角度の検出センサ |
KR102099070B1 (ko) * | 2017-11-17 | 2020-04-09 | 한국전력공사 | 발전기 고정자 권선의 흡습 분석 장치 및 방법 |
CN113075509B (zh) * | 2021-03-30 | 2024-03-15 | 中国大唐集团科学技术研究院有限公司中南电力试验研究院 | 水内冷发电机线棒水电接头绝缘在线监测装置及监测方法 |
CN114413745B (zh) * | 2022-01-04 | 2023-05-23 | 华北电力科学研究院有限责任公司 | 一种检测发电机定子绝缘受潮深度的装置及方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3826979A (en) * | 1972-08-10 | 1974-07-30 | Bosch Gmbh Robert | Capacitive detector device |
CN86200819U (zh) * | 1986-02-22 | 1987-06-10 | 江西省建筑材料工业科学研究设计院 | 电容式快速水分仪 |
US6020744A (en) * | 1997-11-04 | 2000-02-01 | Zellweger Uster, Inc. | Moisture sensor |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59180378A (ja) | 1983-03-30 | 1984-10-13 | Fujitsu Ltd | Fetの逆伝達容量測定装置 |
JPH0816307A (ja) * | 1994-06-30 | 1996-01-19 | Pentel Kk | 多点同時入力指タッチ座標検出装置 |
JPH10260219A (ja) * | 1997-03-17 | 1998-09-29 | Shinko Electric Co Ltd | 高電圧回転機の絶縁性能診断方法及びその装置 |
WO2000014855A1 (en) * | 1998-09-04 | 2000-03-16 | Emerson Electric Co. | Reduced size electromagnetic device |
KR100299310B1 (ko) * | 1999-06-26 | 2001-11-01 | 정명세 | 크로스 커패시터 전극 시험관, 이를 이용한 액체의 유전상수측정장치 및 그 측정방법 |
JP2001093982A (ja) * | 1999-09-22 | 2001-04-06 | Hitachi Ltd | 配線容量計算方法、クロストークディレイ計算方法、およびそれらのデータを記憶したコンピュータ読み取り可能な記憶媒体 |
US6906530B2 (en) * | 2002-05-30 | 2005-06-14 | D.J. Geisel Technology, Inc. | Apparatus and method to detect moisture |
KR100565548B1 (ko) | 2005-10-11 | 2006-03-30 | 김광선 | 유량제어 콘트롤러 시스템 |
-
2006
- 2006-06-30 KR KR1020060060385A patent/KR100815877B1/ko active IP Right Grant
- 2006-08-15 US US11/464,675 patent/US7403019B2/en active Active
-
2007
- 2007-06-26 JP JP2007168088A patent/JP4384205B2/ja not_active Expired - Fee Related
- 2007-06-28 CN CN2007101275181A patent/CN101173974B/zh not_active Expired - Fee Related
-
2008
- 2008-06-18 US US12/141,264 patent/US7602194B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3826979A (en) * | 1972-08-10 | 1974-07-30 | Bosch Gmbh Robert | Capacitive detector device |
CN86200819U (zh) * | 1986-02-22 | 1987-06-10 | 江西省建筑材料工业科学研究设计院 | 电容式快速水分仪 |
US6020744A (en) * | 1997-11-04 | 2000-02-01 | Zellweger Uster, Inc. | Moisture sensor |
CN1278918A (zh) * | 1997-11-04 | 2001-01-03 | 泽韦格路瓦有限公司 | 水分传感器 |
Also Published As
Publication number | Publication date |
---|---|
US20080309352A1 (en) | 2008-12-18 |
KR20080001916A (ko) | 2008-01-04 |
US7403019B2 (en) | 2008-07-22 |
CN101173974A (zh) | 2008-05-07 |
JP2008014941A (ja) | 2008-01-24 |
JP4384205B2 (ja) | 2009-12-16 |
KR100815877B1 (ko) | 2008-03-24 |
US7602194B2 (en) | 2009-10-13 |
US20080001610A1 (en) | 2008-01-03 |
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PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CI01 | Publication of corrected invention patent application |
Correction item: 127 paragraph of instruction Correct: Water absorption test unit False: 0 test unit for water absorption measurement Number: 17 Volume: 27 |
|
CI03 | Correction of invention patent |
Correction item: 127th paragraph of instruction Correct: Water absorption test unit False: 0 test unit for water absorption measurement Number: 17 Page: Description Volume: 27 |
|
ERR | Gazette correction |
Free format text: CORRECT: DESCRIPTION PARAGRAPH 127; FROM: WATER ABSORPTION TEST 0 UNIT TO: WATER ABSORPTION TEST UNIT |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110427 Termination date: 20210628 |
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CF01 | Termination of patent right due to non-payment of annual fee |