JP5050052B2 - 光vt装置 - Google Patents
光vt装置 Download PDFInfo
- Publication number
- JP5050052B2 JP5050052B2 JP2009511744A JP2009511744A JP5050052B2 JP 5050052 B2 JP5050052 B2 JP 5050052B2 JP 2009511744 A JP2009511744 A JP 2009511744A JP 2009511744 A JP2009511744 A JP 2009511744A JP 5050052 B2 JP5050052 B2 JP 5050052B2
- Authority
- JP
- Japan
- Prior art keywords
- optical
- electrode
- voltage
- secondary electrode
- insulating layer
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/24—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/24—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices
- G01R15/241—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices using electro-optical modulators, e.g. electro-absorption
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/04—Voltage dividers
- G01R15/06—Voltage dividers having reactive components, e.g. capacitive transformer
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/24—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices
- G01R15/247—Details of the circuitry or construction of devices covered by G01R15/241 - G01R15/246
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/16—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using capacitive devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/24—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices
- G01R15/241—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices using electro-optical modulators, e.g. electro-absorption
- G01R15/242—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices using electro-optical modulators, e.g. electro-absorption based on the Pockels effect, i.e. linear electro-optic effect
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Description
Claims (7)
- 外部電気機器に接続され、前記電気機器によって被測定電圧が印加される1次側電極と、
前記1次側電極に対向して設けられた第1の2次側電極と、
前記1次側電極と前記第1の2次側電極との間に設けられ、前記1次側電極及び前記第1の2次側電極と共に一体成形された絶縁筒を構成する絶縁層と、
前記絶縁筒の外周及び前記第1の2次側電極の周囲に設けられ、前記第1の2次側電極との間に前記絶縁層を介在させて静電容量を確保する接地層と、
前記第1の2次側電極と前記接地層との間の電圧を計測する電気光学素子と、を備えた光VT装置。 - 前記電気機器に接続される開口部が、前記絶縁筒に形成され、
前記絶縁層が、エポキシ樹脂により形成され、
前記電気機器の前記開口部への接続時に、前記開口部に露出された前記絶縁層が、可撓性絶縁体を介して、前記電気機器の絶縁層と密着する、請求項1記載の光VT装置。 - 前記絶縁層が、可撓性絶縁体により形成された、請求項1記載の光VT装置。
- 前記絶縁筒は、前記電気光学素子を収納する密閉された空隙部を備える、請求項1記載の光VT装置。
- 前記接地層が、前記空隙部の内面にさらに設けられている、請求項4記載の光VT装置。
- 前記絶縁層に埋設されて前記空隙部を包囲する第2の2次側電極をさらに備え、
前記第1の2次側電極及び前記第2の2次側電極が、電気的に接続されている、請求項4記載の光VT装置。 - 前記第1の2次側電極が、前記1次側電極との対向面上に突起を有している、請求項1記載の光VT装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009511744A JP5050052B2 (ja) | 2007-04-18 | 2008-04-07 | 光vt装置 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007109592 | 2007-04-18 | ||
JP2007109592 | 2007-04-18 | ||
JP2009511744A JP5050052B2 (ja) | 2007-04-18 | 2008-04-07 | 光vt装置 |
PCT/JP2008/056870 WO2008132974A1 (ja) | 2007-04-18 | 2008-04-07 | 光vt装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2008132974A1 JPWO2008132974A1 (ja) | 2010-07-22 |
JP5050052B2 true JP5050052B2 (ja) | 2012-10-17 |
Family
ID=39925433
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009511744A Expired - Fee Related JP5050052B2 (ja) | 2007-04-18 | 2008-04-07 | 光vt装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8115473B2 (ja) |
EP (1) | EP2138853A4 (ja) |
JP (1) | JP5050052B2 (ja) |
KR (1) | KR101039650B1 (ja) |
CN (1) | CN101680918B (ja) |
WO (1) | WO2008132974A1 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011154029A1 (en) * | 2010-06-07 | 2011-12-15 | Abb Research Ltd | High-voltage sensor with axially overlapping electrodes |
CN102226973B (zh) * | 2011-03-11 | 2012-09-12 | 福建骐航实业有限公司 | 一种带测温装置的电子式电压互感器 |
CN102426279B (zh) * | 2011-10-26 | 2014-12-31 | 中国电力科学研究院 | 一种全光学高压电压互感器 |
KR101241965B1 (ko) | 2012-08-31 | 2013-03-11 | 일진파워텍(주) | 초고압 절연 진단을 위한 센서를 포함하는 절연통 보호 장치 및 그 제어방법 |
CN103645368B (zh) * | 2013-11-04 | 2016-09-28 | 国网河南省电力公司平顶山供电公司 | 避雷器在线监测型电容式电压互感器的改造方法 |
CN106546940A (zh) * | 2016-11-16 | 2017-03-29 | 国网上海市电力公司 | 一种光学电压互感器的现场试验方法 |
IT201700115489A1 (it) * | 2017-10-13 | 2019-04-13 | Green Seas Ventures Ltd | Sistema costruttivo afferente un sensore capacitivo di tensione |
WO2019073497A1 (en) * | 2017-10-13 | 2019-04-18 | Alberto Bauer | CONSTRUCTION SYSTEM FOR A CAPACITIVE SENSOR |
CN108802469B (zh) * | 2018-05-25 | 2020-12-18 | 北京航天时代光电科技有限公司 | 一种新型低压光学电压传感装置 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1484684A (fr) * | 1966-03-16 | 1967-06-16 | Merlin Gerin | Réducteurs de tension électro-optiques |
JPS5912360A (ja) * | 1982-07-12 | 1984-01-23 | Sumitomo Electric Ind Ltd | 密閉機器の導体電圧測定装置 |
JPH03206971A (ja) * | 1990-01-09 | 1991-09-10 | Mitsubishi Electric Corp | 光変成器 |
JPH03235064A (ja) * | 1990-02-13 | 1991-10-21 | Furukawa Electric Co Ltd:The | 光電圧センサ |
JP2735418B2 (ja) * | 1991-10-01 | 1998-04-02 | 中部電力株式会社 | 交流電圧検出装置 |
JP2969035B2 (ja) | 1993-06-25 | 1999-11-02 | 東光電気株式会社 | 光pt |
JPH07311222A (ja) * | 1994-05-16 | 1995-11-28 | Energy Support Corp | 開閉器直付け用電圧検出センサ |
JPH11202000A (ja) | 1998-01-13 | 1999-07-30 | Tokyo Electric Power Co Inc:The | 光vt |
CN2329005Y (zh) * | 1998-05-09 | 1999-07-14 | 华中理工大学 | 110千伏无分压光纤电压互感器 |
DE19855528A1 (de) * | 1998-12-02 | 2000-06-21 | Ritz Messwandler Kg | Kapazitiver Spannungsteiler |
JP3235064B2 (ja) * | 2000-02-16 | 2001-12-04 | 株式会社メテク | 透析器接続用無菌カプラ |
CN1162709C (zh) * | 2001-10-15 | 2004-08-18 | 张树华 | 一种电容分压式电压传感器 |
JP4247009B2 (ja) | 2002-03-06 | 2009-04-02 | 株式会社東芝 | スイッチギヤ |
CN1419129A (zh) * | 2002-12-12 | 2003-05-21 | 华中科技大学 | 光纤电场传感器 |
-
2008
- 2008-04-07 US US12/596,065 patent/US8115473B2/en not_active Expired - Fee Related
- 2008-04-07 EP EP08739973.9A patent/EP2138853A4/en not_active Withdrawn
- 2008-04-07 CN CN2008800121564A patent/CN101680918B/zh not_active Expired - Fee Related
- 2008-04-07 JP JP2009511744A patent/JP5050052B2/ja not_active Expired - Fee Related
- 2008-04-07 KR KR1020097022955A patent/KR101039650B1/ko not_active IP Right Cessation
- 2008-04-07 WO PCT/JP2008/056870 patent/WO2008132974A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2008132974A1 (ja) | 2008-11-06 |
KR20090130308A (ko) | 2009-12-22 |
KR101039650B1 (ko) | 2011-06-09 |
CN101680918A (zh) | 2010-03-24 |
US20100109642A1 (en) | 2010-05-06 |
CN101680918B (zh) | 2012-08-22 |
JPWO2008132974A1 (ja) | 2010-07-22 |
US8115473B2 (en) | 2012-02-14 |
EP2138853A4 (en) | 2017-07-26 |
EP2138853A1 (en) | 2009-12-30 |
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