CN1017829B - 确定电力线接地故障前兆的方法及系统 - Google Patents

确定电力线接地故障前兆的方法及系统

Info

Publication number
CN1017829B
CN1017829B CN90107791A CN90107791A CN1017829B CN 1017829 B CN1017829 B CN 1017829B CN 90107791 A CN90107791 A CN 90107791A CN 90107791 A CN90107791 A CN 90107791A CN 1017829 B CN1017829 B CN 1017829B
Authority
CN
China
Prior art keywords
earth fault
line
zero phase
omen
electric force
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
Application number
CN90107791A
Other languages
English (en)
Chinese (zh)
Other versions
CN1049761A (zh
Inventor
官崎照信
酒宋三郎
西岛一夫
中村满
永井一
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
Publication of CN1049761A publication Critical patent/CN1049761A/zh
Publication of CN1017829B publication Critical patent/CN1017829B/zh
Expired legal-status Critical Current

Links

Images

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)
CN90107791A 1989-08-25 1990-08-25 确定电力线接地故障前兆的方法及系统 Expired CN1017829B (zh)

Applications Claiming Priority (2)

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
JP217366/89 1989-08-25

Publications (2)

Publication Number Publication Date
CN1049761A CN1049761A (zh) 1991-03-06
CN1017829B true CN1017829B (zh) 1992-08-12

Family

ID=16703051

Family Applications (1)

Application Number Title Priority Date Filing Date
CN90107791A Expired 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

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
JP3039936B2 (ja) 2000-05-08
KR100238895B1 (ko) 2000-01-15

Similar Documents

Publication Publication Date Title
CN202770953U (zh) 一种交联电缆振荡波局部放电检测系统
CN105676092B (zh) 变电所电力电缆绝缘水平监测方法与系统
CN105988063A (zh) 一种输电线路故障隐患综合在线监测方法及装置
CN101592701A (zh) 多级氧化锌避雷器直流耐压试验方法
CN213986651U (zh) 一种避雷器多状态在线监测系统
CN103344884A (zh) 电力架空线路故障双频信号检测定位方法及其专用定位仪
CN2466669Y (zh) 多功能电缆故障检测仪
CN205749647U (zh) 用于铁路室外轨旁信号设备的监测系统
CN1017829B (zh) 确定电力线接地故障前兆的方法及系统
CN217766622U (zh) 建筑物接地系统接地性能检测装置
CN103412213A (zh) 交联聚乙烯高压电缆在线监测预警系统
US20100271044A1 (en) Remote detection of discharge on a power line network
CN109387745B (zh) 一种配电网过电压传感装置
CN203535128U (zh) 交联聚乙烯高压电缆在线监测预警系统
CN205301488U (zh) 一种双模故障指示器
CN103364695A (zh) 高压电缆局部放电在线监测装置
CN203396835U (zh) 单芯电缆接地电流监测及报警系统
CN101359823A (zh) 高压电网单相接地分级、整体选线装置
CN1049913A (zh) 电力装置，电力传输/分配单元及其跳闸方法
CN1119666C (zh) 交流输电线路瓷质不良绝缘子按串检测仪
CN203376439U (zh) 高压电缆局部放电在线监测装置
CN208092182U (zh) 一种电缆中间头局部放电在线监测系统
CN202886537U (zh) 一种基于双电极的冲击电压下变压器油中尖端放电的检测装置
CN105182112A (zh) 一种连续放电电弧避雷针实验装置电路
CN202275111U (zh) 瞬态波全电压故障录波在线检测装置

Legal Events

Date Code Title Description
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C06 Publication
PB01 Publication
C13 Decision
GR02 Examined patent application
C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee