JPS5885176A - 通信用ケ−ブルの絶縁監視装置 - Google Patents

通信用ケ−ブルの絶縁監視装置

Info

Publication number
JPS5885176A
JPS5885176A JP18174381A JP18174381A JPS5885176A JP S5885176 A JPS5885176 A JP S5885176A JP 18174381 A JP18174381 A JP 18174381A JP 18174381 A JP18174381 A JP 18174381A JP S5885176 A JPS5885176 A JP S5885176A
Authority
JP
Japan
Prior art keywords
insulation
comparator
potential
core wire
cable
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
Application number
JP18174381A
Other languages
English (en)
Japanese (ja)
Other versions
JPH028662B2 (enrdf_load_stackoverflow
Inventor
Tadashi Nakanuma
忠司 中沼
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP18174381A priority Critical patent/JPS5885176A/ja
Publication of JPS5885176A publication Critical patent/JPS5885176A/ja
Publication of JPH028662B2 publication Critical patent/JPH028662B2/ja
Granted 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
    • G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
    • G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
    • G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
    • G01R31/1272—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of cable, line or wire insulation, e.g. using partial discharge measurements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Testing Relating To Insulation (AREA)
JP18174381A 1981-11-14 1981-11-14 通信用ケ−ブルの絶縁監視装置 Granted JPS5885176A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18174381A JPS5885176A (ja) 1981-11-14 1981-11-14 通信用ケ−ブルの絶縁監視装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18174381A JPS5885176A (ja) 1981-11-14 1981-11-14 通信用ケ−ブルの絶縁監視装置

Publications (2)

Publication Number Publication Date
JPS5885176A true JPS5885176A (ja) 1983-05-21
JPH028662B2 JPH028662B2 (enrdf_load_stackoverflow) 1990-02-26

Family

ID=16106106

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18174381A Granted JPS5885176A (ja) 1981-11-14 1981-11-14 通信用ケ−ブルの絶縁監視装置

Country Status (1)

Country Link
JP (1) JPS5885176A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998058269A1 (de) * 1997-06-17 1998-12-23 Siemens Aktiengesellschaft Überwachungsverfahren und überwachungsgerät für ein kabel

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54151875A (en) * 1978-05-22 1979-11-29 Toshiba Corp Disconnection detector for transmission circuits

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54151875A (en) * 1978-05-22 1979-11-29 Toshiba Corp Disconnection detector for transmission circuits

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998058269A1 (de) * 1997-06-17 1998-12-23 Siemens Aktiengesellschaft Überwachungsverfahren und überwachungsgerät für ein kabel

Also Published As

Publication number Publication date
JPH028662B2 (enrdf_load_stackoverflow) 1990-02-26

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