JPS53107687A - Water tree detection method for cable - Google Patents
Water tree detection method for cableInfo
- Publication number
- JPS53107687A JPS53107687A JP2177977A JP2177977A JPS53107687A JP S53107687 A JPS53107687 A JP S53107687A JP 2177977 A JP2177977 A JP 2177977A JP 2177977 A JP2177977 A JP 2177977A JP S53107687 A JPS53107687 A JP S53107687A
- Authority
- JP
- Japan
- Prior art keywords
- water tree
- cable
- detection method
- tree detection
- discharging
- 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.)
- Granted
Links
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Testing Relating To Insulation (AREA)
- Examining Or Testing Airtightness (AREA)
- Manufacturing Of Electric Cables (AREA)
Abstract
PURPOSE: To detect water tree occurring portion with ease by bypassing initial instantaneous discharging current during discharging and measuring discharging characteristic of residual current after elapsing of redetermined time.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52021779A JPS5848861B2 (en) | 1977-03-01 | 1977-03-01 | How to detect water trees in cables |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52021779A JPS5848861B2 (en) | 1977-03-01 | 1977-03-01 | How to detect water trees in cables |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS53107687A true JPS53107687A (en) | 1978-09-19 |
JPS5848861B2 JPS5848861B2 (en) | 1983-10-31 |
Family
ID=12064537
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52021779A Expired JPS5848861B2 (en) | 1977-03-01 | 1977-03-01 | How to detect water trees in cables |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5848861B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0412950Y2 (en) * | 1985-04-27 | 1992-03-26 |
-
1977
- 1977-03-01 JP JP52021779A patent/JPS5848861B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5848861B2 (en) | 1983-10-31 |
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