JPH0429982B2 - - Google Patents

Info

Publication number
JPH0429982B2
JPH0429982B2 JP58076887A JP7688783A JPH0429982B2 JP H0429982 B2 JPH0429982 B2 JP H0429982B2 JP 58076887 A JP58076887 A JP 58076887A JP 7688783 A JP7688783 A JP 7688783A JP H0429982 B2 JPH0429982 B2 JP H0429982B2
Authority
JP
Japan
Prior art keywords
cable
voltage
frequency
superimposed
low
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 - Lifetime
Application number
JP58076887A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59202077A (ja
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP58076887A priority Critical patent/JPS59202077A/ja
Publication of JPS59202077A publication Critical patent/JPS59202077A/ja
Publication of JPH0429982B2 publication Critical patent/JPH0429982B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Testing Relating To Insulation (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
JP58076887A 1983-04-30 1983-04-30 電力ケ−ブルの絶縁劣化診断法 Granted JPS59202077A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58076887A JPS59202077A (ja) 1983-04-30 1983-04-30 電力ケ−ブルの絶縁劣化診断法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58076887A JPS59202077A (ja) 1983-04-30 1983-04-30 電力ケ−ブルの絶縁劣化診断法

Publications (2)

Publication Number Publication Date
JPS59202077A JPS59202077A (ja) 1984-11-15
JPH0429982B2 true JPH0429982B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-05-20

Family

ID=13618143

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58076887A Granted JPS59202077A (ja) 1983-04-30 1983-04-30 電力ケ−ブルの絶縁劣化診断法

Country Status (1)

Country Link
JP (1) JPS59202077A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63281072A (ja) * 1987-05-14 1988-11-17 Shikoku Electric Power Co Inc 絶縁劣化関係量測定装置
JPS6450972A (en) * 1987-08-21 1989-02-27 Hitachi Cable Method for diagnosing dielectric breakdown of power cable
JP2542406B2 (ja) * 1987-12-29 1996-10-09 古河電気工業株式会社 電力ケ―ブルの絶縁劣化診断方法
JPH0726985B2 (ja) * 1988-02-22 1995-03-29 日立電線株式会社 電力ケーブルの絶縁劣化診断法
JP2007121028A (ja) * 2005-10-26 2007-05-17 Hitachi Building Systems Co Ltd 絶縁抵抗診断装置
JP2008239324A (ja) * 2007-03-28 2008-10-09 Hitachi Building Systems Co Ltd エレベータの絶縁抵抗測定方法
JP2016217948A (ja) * 2015-05-22 2016-12-22 三菱電線工業株式会社 電力ケーブルの絶縁劣化診断方法、絶縁劣化診断装置、絶縁劣化診断車両、および交流電圧重畳装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55125458A (en) * 1979-03-20 1980-09-27 Fuji Electric Co Ltd Insulation resistance measuring device
JPS5866068A (ja) * 1981-10-15 1983-04-20 Sumitomo Electric Ind Ltd 活線下ケ−ブル絶縁監視方法

Also Published As

Publication number Publication date
JPS59202077A (ja) 1984-11-15

Similar Documents

Publication Publication Date Title
US3299351A (en) Apparatus for detecting faults in buried cables including means for applying a composite signal having fundamental and even harmonic frequency components
JPH0429982B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH07311230A (ja) 電力ケーブルの絶縁状態を活線下で監視する絶縁監視方法及び装置
JPH03206976A (ja) 絶縁診断法
CN116068321A (zh) 一种接地电流谐波分量干扰识别方法
JP2719732B2 (ja) 高圧配電線の地絡故障原因判別方法およびその装置
JP2876322B2 (ja) Ｃｖケーブルの絶縁劣化診断方法
JP3010367B2 (ja) 活線下ケーブルシースの絶縁抵抗測定方法
JP2001183412A (ja) 電力ケーブルの絶縁劣化診断方法
JPH038710B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP2612648B2 (ja) 三相電力ケーブルの絶縁劣化判定方法
JPH0627766B2 (ja) Ｃｖケーブルの絶縁劣化診断装置
JPH08304487A (ja) 活線状態のケーブルシースの絶縁診断方法
JPH0425504B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS59192971A (ja) 活線下ケ−ブル絶縁測定方法
JP3010371B2 (ja) ケーブルの絶縁劣化診断方法
JP2002214273A (ja) 高圧ケーブル遮蔽銅テープ破断検査回路
JPH0378588B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH1078472A (ja) Ｃｖケーブルの劣化診断法
JPH0376431B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS5856116B2 (ja) 防食層絶縁不良点の活線下標定方法
JP2612367B2 (ja) 電力ケーブルの絶縁劣化診断法
JPH07294590A (ja) 活線ケーブルの絶縁監視方法
JPH11326436A (ja) 閉鎖母線の絶縁劣化診断装置
JPS63281074A (ja) Ｃｖケ−ブルの水トリ−電流測定方法