JP5128380B2 - 分解ガスセンサ - Google Patents
分解ガスセンサ Download PDFInfo
- Publication number
- JP5128380B2 JP5128380B2 JP2008160623A JP2008160623A JP5128380B2 JP 5128380 B2 JP5128380 B2 JP 5128380B2 JP 2008160623 A JP2008160623 A JP 2008160623A JP 2008160623 A JP2008160623 A JP 2008160623A JP 5128380 B2 JP5128380 B2 JP 5128380B2
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- JP
- Japan
- Prior art keywords
- capacitor
- gas
- voltage
- adsorbent
- container
- 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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Description
Vd=(C1/(C1+C2))V
Vd=(C1/(C1+C2))V
ここで、V:導体3の電圧、C1:第1のコンデンサ5の静電容量、C2:第2のコンデンサ9の静電容量である。
2 接地容器
3 導体
4 第1のコンデンサの電極
5 第1のコンデンサ
6 グランド
7,8 第2のコンデンサの2枚の電極
9 第2のコンデンサ
10 電圧測定部
12 部屋
13 流路
15 第2のコンデンサの吸着剤
Claims (2)
- 絶縁ガスが封入されている接地容器内に収容された導体と電極とで形成され、前記絶縁ガスを誘電体とする第1のコンデンサと、前記電極とグランドとの間に設けられ、2枚の電極間に前記分解ガスを吸着することで誘電率が変化する吸着剤を誘電体として介在させた第2のコンデンサと、前記第1のコンデンサと前記第2のコンデンサとの間に設けられ、前記第2のコンデンサの吸着剤の誘電率の変化に基づく静電容量の変化に応じて変化する前記導体の電圧の分圧が測定される電圧測定部とを備えることを特徴とする分解ガスセンサ。
- 前記第2のコンデンサは、前記接地容器の外に設けられた部屋に収容されており、前記部屋に前記接地容器内の前記分解ガスを導く流路を備えることを特徴とする請求項1記載の分解ガスセンサ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008160623A JP5128380B2 (ja) | 2008-06-19 | 2008-06-19 | 分解ガスセンサ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008160623A JP5128380B2 (ja) | 2008-06-19 | 2008-06-19 | 分解ガスセンサ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010002271A JP2010002271A (ja) | 2010-01-07 |
JP5128380B2 true JP5128380B2 (ja) | 2013-01-23 |
Family
ID=41584124
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008160623A Expired - Fee Related JP5128380B2 (ja) | 2008-06-19 | 2008-06-19 | 分解ガスセンサ |
Country Status (1)
Country | Link |
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JP (1) | JP5128380B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2622334B1 (en) * | 2010-09-30 | 2016-05-25 | 3M Innovative Properties Company | Sensor element, method of making the same, and sensor device including the same |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5433793A (en) * | 1977-08-22 | 1979-03-12 | Toshiba Corp | Moisture content detector of gas insulated electric device |
JPS6014152A (ja) * | 1983-07-05 | 1985-01-24 | Fuji Electric Corp Res & Dev Ltd | ガス絶縁電器中の分解生成物検知装置 |
JPH0738011B2 (ja) * | 1988-05-16 | 1995-04-26 | 株式会社日立製作所 | 高圧電力機器の異常診断システム |
JPH0287915A (ja) * | 1988-09-21 | 1990-03-28 | Toshiba Corp | ガス絶縁機器の分解ガス検出装置 |
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2008
- 2008-06-19 JP JP2008160623A patent/JP5128380B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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JP2010002271A (ja) | 2010-01-07 |
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