JPH01137481U - - Google Patents
Info
- Publication number
- JPH01137481U JPH01137481U JP3377388U JP3377388U JPH01137481U JP H01137481 U JPH01137481 U JP H01137481U JP 3377388 U JP3377388 U JP 3377388U JP 3377388 U JP3377388 U JP 3377388U JP H01137481 U JPH01137481 U JP H01137481U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- pulse
- measuring section
- pass filter
- low resistance
- 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
- 238000009413 insulation Methods 0.000 claims description 3
- 230000006866 deterioration Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims description 2
- 230000002159 abnormal effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Landscapes
- Testing Relating To Insulation (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3377388U JPH0623973Y2 (ja) | 1988-03-16 | 1988-03-16 | 高圧電力ケーブルの絶縁劣化度計量装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3377388U JPH0623973Y2 (ja) | 1988-03-16 | 1988-03-16 | 高圧電力ケーブルの絶縁劣化度計量装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH01137481U true JPH01137481U (es) | 1989-09-20 |
JPH0623973Y2 JPH0623973Y2 (ja) | 1994-06-22 |
Family
ID=31260471
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3377388U Expired - Lifetime JPH0623973Y2 (ja) | 1988-03-16 | 1988-03-16 | 高圧電力ケーブルの絶縁劣化度計量装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0623973Y2 (es) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013019710A (ja) * | 2011-07-08 | 2013-01-31 | Hioki Ee Corp | 被覆電線の表面汚れ検出装置 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0919045A (ja) * | 1995-06-30 | 1997-01-17 | Naigai Denki Kk | ケーブルの劣化予知方法並びにケーブル初期地絡継電器 |
-
1988
- 1988-03-16 JP JP3377388U patent/JPH0623973Y2/ja not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013019710A (ja) * | 2011-07-08 | 2013-01-31 | Hioki Ee Corp | 被覆電線の表面汚れ検出装置 |
Also Published As
Publication number | Publication date |
---|---|
JPH0623973Y2 (ja) | 1994-06-22 |
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