SE8703817L - Sett att diagnostisera en forsemring i en avledare av zinkoxidtyp - Google Patents

Sett att diagnostisera en forsemring i en avledare av zinkoxidtyp

Info

Publication number
SE8703817L
SE8703817L SE8703817A SE8703817A SE8703817L SE 8703817 L SE8703817 L SE 8703817L SE 8703817 A SE8703817 A SE 8703817A SE 8703817 A SE8703817 A SE 8703817A SE 8703817 L SE8703817 L SE 8703817L
Authority
SE
Sweden
Prior art keywords
zinc oxide
oxide type
diagnostize
derivator
degree
Prior art date
Application number
SE8703817A
Other languages
Unknown language ( )
English (en)
Other versions
SE464375B (sv
SE8703817D0 (sv
Inventor
H Iwai
M Nakajima
H Asaga
N Takao
S Shiga
Y Tanabe
Original Assignee
Fuji Electric Co 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
Priority claimed from JP62184751A external-priority patent/JPH0650330B2/ja
Application filed by Fuji Electric Co Ltd filed Critical Fuji Electric Co Ltd
Publication of SE8703817D0 publication Critical patent/SE8703817D0/sv
Publication of SE8703817L publication Critical patent/SE8703817L/sv
Publication of SE464375B publication Critical patent/SE464375B/sv

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/16—Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
    • H02H9/042—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage comprising means to limit the absorbed power or indicate damaged over-voltage protection device

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Thermistors And Varistors (AREA)
SE8703817A 1986-10-03 1987-10-02 Saett att digitalisera en foersaemring i en avledare av zinkoxidtyp utnyttjande vektorsyntes SE464375B (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP23552486 1986-10-03
JP62184751A JPH0650330B2 (ja) 1986-10-03 1987-07-24 酸化亜鉛形避雷器の劣化診断方法

Publications (3)

Publication Number Publication Date
SE8703817D0 SE8703817D0 (sv) 1987-10-02
SE8703817L true SE8703817L (sv) 1988-04-04
SE464375B SE464375B (sv) 1991-04-15

Family

ID=26502687

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8703817A SE464375B (sv) 1986-10-03 1987-10-02 Saett att digitalisera en foersaemring i en avledare av zinkoxidtyp utnyttjande vektorsyntes

Country Status (3)

Country Link
US (1) US4866393A (sv)
DE (1) DE3733404C3 (sv)
SE (1) SE464375B (sv)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0570654A1 (en) * 1992-05-20 1993-11-24 P.C.E. S.r.l. A remote eart resistance meter
US5621309A (en) * 1996-02-21 1997-04-15 Electric Power Research Institute Method for detecting a failed ZnO disk in a surge arrester network
US6124714A (en) * 1998-03-09 2000-09-26 Hd Electric Company Lightning and surge arrester test apparatus and method
JP3895087B2 (ja) * 2000-02-01 2007-03-22 株式会社東芝 劣化診断方法
SE518250C2 (sv) * 2001-01-29 2002-09-17 Abb Ab Anordning och system för övervakning av en eller flera till ett elkraftnät anslutna avledare
US7876174B2 (en) * 2007-06-26 2011-01-25 Current Technologies, Llc Power line coupling device and method
JP4886013B2 (ja) * 2009-09-10 2012-02-29 日本碍子株式会社 避雷器の劣化検出方法及び装置
CN103063940A (zh) * 2012-10-24 2013-04-24 李永祥 氧化锌非线性电阻特性方程及方程式常数测定方法
CN102928646A (zh) * 2012-10-24 2013-02-13 合肥溢鑫电力科技有限公司 以氧化锌电阻作为分压器件的电压传感器及其应用
CN117970025A (zh) * 2016-04-14 2024-05-03 日立能源有限公司 用于电力传输系统的线路保护中的故障检测的方法、系统和设备
CN106771513A (zh) * 2016-11-22 2017-05-31 华北电力大学 避雷器预警值的确定方法及装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3976987A (en) * 1975-08-29 1976-08-24 Square D Company Dual channel dynamic line isolation monitor
US4200836A (en) * 1978-06-13 1980-04-29 Fuji Electric Co., Ltd. Apparatus for measuring insulation resistance in an operating three-phase ungrounded transmission line system
JPS597584U (ja) * 1982-07-06 1984-01-18 三菱電機株式会社 避雷装置
DE3575824D1 (de) * 1984-08-27 1990-03-08 Siemens Ag Elektrische installationsanlage mit ueberspannungsschutz.

Also Published As

Publication number Publication date
US4866393A (en) 1989-09-12
DE3733404C2 (sv) 1991-11-07
DE3733404A1 (de) 1988-04-21
SE464375B (sv) 1991-04-15
DE3733404C3 (de) 1995-02-23
SE8703817D0 (sv) 1987-10-02

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