JPS6257229B2 - - Google Patents

Info

Publication number
JPS6257229B2
JPS6257229B2 JP55173689A JP17368980A JPS6257229B2 JP S6257229 B2 JPS6257229 B2 JP S6257229B2 JP 55173689 A JP55173689 A JP 55173689A JP 17368980 A JP17368980 A JP 17368980A JP S6257229 B2 JPS6257229 B2 JP S6257229B2
Authority
JP
Japan
Prior art keywords
zero
overhead ground
line
ground wire
phase
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
JP55173689A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5796272A (en
Inventor
Koji Nakamizo
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.)
Nishimu Electronics Industries Co Inc
Original Assignee
Nishimu Electronics Industries Co Inc
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 Nishimu Electronics Industries Co Inc filed Critical Nishimu Electronics Industries Co Inc
Priority to JP55173689A priority Critical patent/JPS5796272A/ja
Publication of JPS5796272A publication Critical patent/JPS5796272A/ja
Publication of JPS6257229B2 publication Critical patent/JPS6257229B2/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 Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Transformers For Measuring Instruments (AREA)
JP55173689A 1980-12-08 1980-12-08 Zero phase current detection Granted JPS5796272A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55173689A JPS5796272A (en) 1980-12-08 1980-12-08 Zero phase current detection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55173689A JPS5796272A (en) 1980-12-08 1980-12-08 Zero phase current detection

Publications (2)

Publication Number Publication Date
JPS5796272A JPS5796272A (en) 1982-06-15
JPS6257229B2 true JPS6257229B2 (US06623731-20030923-C00012.png) 1987-11-30

Family

ID=15965276

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55173689A Granted JPS5796272A (en) 1980-12-08 1980-12-08 Zero phase current detection

Country Status (1)

Country Link
JP (1) JPS5796272A (US06623731-20030923-C00012.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62164321U (US06623731-20030923-C00012.png) * 1986-04-07 1987-10-19

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59173774A (ja) * 1983-03-23 1984-10-01 Mitsubishi Electric Corp 可変電圧可変周波数電力系統の地絡検出装置
JPS59173775A (ja) * 1983-03-23 1984-10-01 Mitsubishi Electric Corp 可変電圧可変周波数電力系統の地絡検出装置
JPS6041867U (ja) * 1983-08-29 1985-03-25 ニシム電子工業株式会社 零相電流検出器
JP2015012224A (ja) * 2013-07-01 2015-01-19 三菱電機株式会社 零相変流器

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62164321U (US06623731-20030923-C00012.png) * 1986-04-07 1987-10-19

Also Published As

Publication number Publication date
JPS5796272A (en) 1982-06-15

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