JPS58223769A - 地絡区間判定方法 - Google Patents

地絡区間判定方法

Info

Publication number
JPS58223769A
JPS58223769A JP57108187A JP10818782A JPS58223769A JP S58223769 A JPS58223769 A JP S58223769A JP 57108187 A JP57108187 A JP 57108187A JP 10818782 A JP10818782 A JP 10818782A JP S58223769 A JPS58223769 A JP S58223769A
Authority
JP
Japan
Prior art keywords
sheath
section
magnetic
ground
ground fault
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
JP57108187A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0565829B2 (enrdf_load_stackoverflow
Inventor
Junichi Shinagawa
潤一 品川
Kazuo Yamaguchi
和男 山口
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.)
SWCC Corp
Original Assignee
Showa Electric Wire and Cable Co
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 Showa Electric Wire and Cable Co filed Critical Showa Electric Wire and Cable Co
Priority to JP57108187A priority Critical patent/JPS58223769A/ja
Publication of JPS58223769A publication Critical patent/JPS58223769A/ja
Publication of JPH0565829B2 publication Critical patent/JPH0565829B2/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
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/52—Testing for short-circuits, leakage current or ground faults

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Relating To Insulation (AREA)
  • Locating Faults (AREA)
  • Emergency Protection Circuit Devices (AREA)
JP57108187A 1982-06-22 1982-06-22 地絡区間判定方法 Granted JPS58223769A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57108187A JPS58223769A (ja) 1982-06-22 1982-06-22 地絡区間判定方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57108187A JPS58223769A (ja) 1982-06-22 1982-06-22 地絡区間判定方法

Publications (2)

Publication Number Publication Date
JPS58223769A true JPS58223769A (ja) 1983-12-26
JPH0565829B2 JPH0565829B2 (enrdf_load_stackoverflow) 1993-09-20

Family

ID=14478205

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57108187A Granted JPS58223769A (ja) 1982-06-22 1982-06-22 地絡区間判定方法

Country Status (1)

Country Link
JP (1) JPS58223769A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011153986A (ja) * 2010-01-28 2011-08-11 Ntt Facilities Inc サージ記録カード

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54156149U (enrdf_load_stackoverflow) * 1978-04-24 1979-10-30
JPS56163462A (en) * 1980-05-20 1981-12-16 Fujitsu Ltd Measuring method for current distribution on metal plate

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54156149U (enrdf_load_stackoverflow) * 1978-04-24 1979-10-30
JPS56163462A (en) * 1980-05-20 1981-12-16 Fujitsu Ltd Measuring method for current distribution on metal plate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011153986A (ja) * 2010-01-28 2011-08-11 Ntt Facilities Inc サージ記録カード

Also Published As

Publication number Publication date
JPH0565829B2 (enrdf_load_stackoverflow) 1993-09-20

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