JPS56129871A - Detector for missing of neutral conductor - Google Patents

Detector for missing of neutral conductor

Info

Publication number
JPS56129871A
JPS56129871A JP3313780A JP3313780A JPS56129871A JP S56129871 A JPS56129871 A JP S56129871A JP 3313780 A JP3313780 A JP 3313780A JP 3313780 A JP3313780 A JP 3313780A JP S56129871 A JPS56129871 A JP S56129871A
Authority
JP
Japan
Prior art keywords
voltage
conductors
neutral conductor
missing
concentrated
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
JP3313780A
Other languages
English (en)
Other versions
JPS6410790B2 (ja
Inventor
Hirotsugu Minami
Sadao Kawamoto
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP3313780A priority Critical patent/JPS56129871A/ja
Publication of JPS56129871A publication Critical patent/JPS56129871A/ja
Publication of JPS6410790B2 publication Critical patent/JPS6410790B2/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
    • G01R31/58—Testing of lines, cables or conductors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
JP3313780A 1980-03-14 1980-03-14 Detector for missing of neutral conductor Granted JPS56129871A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3313780A JPS56129871A (en) 1980-03-14 1980-03-14 Detector for missing of neutral conductor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3313780A JPS56129871A (en) 1980-03-14 1980-03-14 Detector for missing of neutral conductor

Publications (2)

Publication Number Publication Date
JPS56129871A true JPS56129871A (en) 1981-10-12
JPS6410790B2 JPS6410790B2 (ja) 1989-02-22

Family

ID=12378204

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3313780A Granted JPS56129871A (en) 1980-03-14 1980-03-14 Detector for missing of neutral conductor

Country Status (1)

Country Link
JP (1) JPS56129871A (ja)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61150610A (ja) * 1984-12-24 1986-07-09 松下電工株式会社 中性線欠相検出遮断器
JPS61150611A (ja) * 1984-12-24 1986-07-09 松下電工株式会社 中性線欠相検出遮断器
JPS61150609A (ja) * 1984-12-24 1986-07-09 松下電工株式会社 中性線欠相検出遮断器
US5134689A (en) * 1987-08-24 1992-07-28 Wacom Co., Ltd. Coordinate input system and input implement used in the system
USRE34187E (en) * 1986-07-23 1993-03-02 Wacom Co. Ltd. Coordinates input system
JP2001296324A (ja) * 2000-04-18 2001-10-26 Yaskawa Electric Corp ３相電源欠相検出回路
JP2016167949A (ja) * 2015-03-10 2016-09-15 東芝キヤリア株式会社 電気機器

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61150610A (ja) * 1984-12-24 1986-07-09 松下電工株式会社 中性線欠相検出遮断器
JPS61150611A (ja) * 1984-12-24 1986-07-09 松下電工株式会社 中性線欠相検出遮断器
JPS61150609A (ja) * 1984-12-24 1986-07-09 松下電工株式会社 中性線欠相検出遮断器
USRE34187E (en) * 1986-07-23 1993-03-02 Wacom Co. Ltd. Coordinates input system
US5134689A (en) * 1987-08-24 1992-07-28 Wacom Co., Ltd. Coordinate input system and input implement used in the system
JP2001296324A (ja) * 2000-04-18 2001-10-26 Yaskawa Electric Corp ３相電源欠相検出回路
JP2016167949A (ja) * 2015-03-10 2016-09-15 東芝キヤリア株式会社 電気機器

Also Published As

Publication number Publication date
JPS6410790B2 (ja) 1989-02-22

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