JP3039936B2 - 電力線の劣化判定方法及びその装置 - Google Patents

電力線の劣化判定方法及びその装置

Info

Publication number
JP3039936B2
JP3039936B2 JP1217366A JP21736689A JP3039936B2 JP 3039936 B2 JP3039936 B2 JP 3039936B2 JP 1217366 A JP1217366 A JP 1217366A JP 21736689 A JP21736689 A JP 21736689A JP 3039936 B2 JP3039936 B2 JP 3039936B2
Authority
JP
Japan
Prior art keywords
deterioration
power line
zero
phase
signal
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
Application number
JP1217366A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0382326A (ja
Inventor
照信 宮崎
栄三郎 酒匂
一夫 西島
満 中村
一 永井
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP1217366A priority Critical patent/JP3039936B2/ja
Priority to DE4026428A priority patent/DE4026428C2/de
Priority to KR1019900013092A priority patent/KR100238895B1/ko
Priority to CN90107791A priority patent/CN1017829B/zh
Publication of JPH0382326A publication Critical patent/JPH0382326A/ja
Application granted granted Critical
Publication of JP3039936B2 publication Critical patent/JP3039936B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/08—Locating faults in cables, transmission lines, or networks
    • G01R31/088—Aspects of digital computing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/08—Locating faults in cables, transmission lines, or networks

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Locating Faults (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
JP1217366A 1989-08-25 1989-08-25 電力線の劣化判定方法及びその装置 Expired - Fee Related JP3039936B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1217366A JP3039936B2 (ja) 1989-08-25 1989-08-25 電力線の劣化判定方法及びその装置
DE4026428A DE4026428C2 (de) 1989-08-25 1990-08-21 Einrichtung zum Feststellen einer Isolationsverschlechterung an einer Kraftstromleitung
KR1019900013092A KR100238895B1 (ko) 1989-08-25 1990-08-24 3상 전력선의 열화판정 장치
CN90107791A CN1017829B (zh) 1989-08-25 1990-08-25 确定电力线接地故障前兆的方法及系统

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1217366A JP3039936B2 (ja) 1989-08-25 1989-08-25 電力線の劣化判定方法及びその装置

Publications (2)

Publication Number Publication Date
JPH0382326A JPH0382326A (ja) 1991-04-08
JP3039936B2 true JP3039936B2 (ja) 2000-05-08

Family

ID=16703051

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1217366A Expired - Fee Related JP3039936B2 (ja) 1989-08-25 1989-08-25 電力線の劣化判定方法及びその装置

Country Status (4)

Country Link
JP (1) JP3039936B2 (ko)
KR (1) KR100238895B1 (ko)
CN (1) CN1017829B (ko)
DE (1) DE4026428C2 (ko)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100418195B1 (ko) * 2001-07-05 2004-02-11 주식회사 우리기술 전력케이블의 다중절연진단장치 및 그 방법
KR100719138B1 (ko) 2007-03-15 2007-05-18 주식회사 젤파워 수배전 설비 고장 진단 방법
JP2015073237A (ja) * 2013-10-04 2015-04-16 株式会社東芝 通信システム及び通信装置
KR101762505B1 (ko) 2015-09-14 2017-07-28 아주대학교산학협력단 케이블 검사 장치
CN110673024B (zh) * 2019-09-10 2022-05-13 国网浙江省电力有限公司嘉兴供电公司 一种基于电力物联网的高压断路器故障预警方法
CN110705038B (zh) * 2019-09-10 2023-09-26 国网浙江省电力有限公司嘉兴供电公司 一种高压断路器生命周期评估及故障预警方法
JP2021081398A (ja) * 2019-11-22 2021-05-27 パナソニックＩｐマネジメント株式会社 異常検知システム、分電盤、異常検知方法、及びプログラム

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54155442A (en) * 1978-05-29 1979-12-07 Nissin Electric Co Ltd Insulation deterioration detector for electric appliances
JPS5544976A (en) * 1978-09-27 1980-03-29 Sumitomo Electric Ind Ltd Trouble shooter for power cable
JPS5720779A (en) * 1980-07-11 1982-02-03 Matsushita Electric Ind Co Ltd Image display unit
JPS5720778A (en) * 1980-07-11 1982-02-03 Matsushita Electric Ind Co Ltd Image display unit
JPS5915870A (ja) * 1982-07-16 1984-01-26 Mitsubishi Electric Corp 部分放電測定装置
DE3636367C2 (de) * 1986-10-25 1995-07-13 Licentia Gmbh Verfahren und Vorrichtung zur Feststellung der Entfernung und der Richtung von Erdschlüssen in isolierten und kompensierten Starkstromnetzen
GB8727490D0 (en) * 1987-11-24 1987-12-23 Nat Res Dev Detecting faults in transmission circuits

Also Published As

Publication number Publication date
DE4026428A1 (de) 1991-02-28
DE4026428C2 (de) 1994-10-13
CN1049761A (zh) 1991-03-06
JPH0382326A (ja) 1991-04-08
KR910005059A (ko) 1991-03-29
CN1017829B (zh) 1992-08-12
KR100238895B1 (ko) 2000-01-15

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