JPS6156790B2 - - Google Patents
Info
- Publication number
- JPS6156790B2 JPS6156790B2 JP13089178A JP13089178A JPS6156790B2 JP S6156790 B2 JPS6156790 B2 JP S6156790B2 JP 13089178 A JP13089178 A JP 13089178A JP 13089178 A JP13089178 A JP 13089178A JP S6156790 B2 JPS6156790 B2 JP S6156790B2
- Authority
- JP
- Japan
- Prior art keywords
- cable
- layer
- inductance
- dielectric loss
- loss tangent
- 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
Links
- 238000005260 corrosion Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims description 2
- 238000010008 shearing Methods 0.000 claims 2
- 238000009413 insulation Methods 0.000 description 10
- 239000003990 capacitor Substances 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Landscapes
- Testing Relating To Insulation (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Locating Faults (AREA)
- Examining Or Testing Airtightness (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13089178A JPS5557159A (en) | 1978-10-23 | 1978-10-23 | Constant supervisory method for cable anticorrosive layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13089178A JPS5557159A (en) | 1978-10-23 | 1978-10-23 | Constant supervisory method for cable anticorrosive layer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5557159A JPS5557159A (en) | 1980-04-26 |
| JPS6156790B2 true JPS6156790B2 (enrdf_load_stackoverflow) | 1986-12-04 |
Family
ID=15045117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13089178A Granted JPS5557159A (en) | 1978-10-23 | 1978-10-23 | Constant supervisory method for cable anticorrosive layer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5557159A (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2575210B2 (ja) * | 1989-08-23 | 1997-01-22 | 三菱電機株式会社 | 非停電絶縁診断装置 |
| JP2577825B2 (ja) * | 1990-11-20 | 1997-02-05 | 三菱電機株式会社 | 非停電絶縁診断装置 |
| CN106291122B (zh) * | 2016-08-04 | 2019-02-12 | 广东电网有限责任公司电力科学研究院 | 一种油浸式电容型套管进水受潮缺陷的测试方法及系统 |
-
1978
- 1978-10-23 JP JP13089178A patent/JPS5557159A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5557159A (en) | 1980-04-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU6943296A (en) | A device for sensing of electric discharges in a test object | |
| Arman et al. | The measurement of discharges in dielectrics | |
| JPS6156790B2 (enrdf_load_stackoverflow) | ||
| CN108548982B (zh) | 一种电容电流的测试方法、装置及系统 | |
| JPS638570A (ja) | ケ−ブル防食層の常時監視方法 | |
| CN104375031A (zh) | 一种供电系统电涌保护器绝缘电阻的在线测量装置 | |
| JP3009323B2 (ja) | 電力ケーブルの絶縁診断装置 | |
| WO1991012541A1 (en) | Atmospheric potential measurement device | |
| Harking et al. | Partial discharges in 3-core belted power cables | |
| US3707674A (en) | Method and apparatus for measuring corona inception voltage on overhead conductors and the like | |
| JPH06213945A (ja) | 配電線接地抵抗測定装置及び配電線接地抵抗測定方法 | |
| JP3034651B2 (ja) | Ｃｖケーブルの絶縁診断方法 | |
| JPH0428065Y2 (enrdf_load_stackoverflow) | ||
| JPH0627766B2 (ja) | Ｃｖケーブルの絶縁劣化診断装置 | |
| JPH05142290A (ja) | Ｃｖケーブルの絶縁診断方法 | |
| JPS5912632Y2 (ja) | ケ−ブルシ−スのサ−ジ遮蔽係数測定回路 | |
| JP2504237B2 (ja) | 部分放電測定方法 | |
| JP2750713B2 (ja) | 低圧配線等の簡易絶縁抵抗測定方法 | |
| JPS6326779Y2 (enrdf_load_stackoverflow) | ||
| JPS6027969Y2 (ja) | ケーブルしやへい断線検知装置 | |
| JPS5827250Y2 (ja) | 炎検出装置 | |
| JPH0378588B2 (enrdf_load_stackoverflow) | ||
| JPH0579147B2 (enrdf_load_stackoverflow) | ||
| JPS5856116B2 (ja) | 防食層絶縁不良点の活線下標定方法 | |
| JPH0458581B2 (enrdf_load_stackoverflow) |