JPS51121749A - Electric leakage detector - Google Patents

Electric leakage detector

Info

Publication number
JPS51121749A
JPS51121749A JP50047677A JP4767775A JPS51121749A JP S51121749 A JPS51121749 A JP S51121749A JP 50047677 A JP50047677 A JP 50047677A JP 4767775 A JP4767775 A JP 4767775A JP S51121749 A JPS51121749 A JP S51121749A
Authority
JP
Japan
Prior art keywords
electric leakage
leakage detector
leakage
compensating
detecting
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.)
Pending
Application number
JP50047677A
Other languages
Japanese (ja)
Inventor
Ryuzo Kato
Koichiro Tanikawa
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 JP50047677A priority Critical patent/JPS51121749A/en
Publication of JPS51121749A publication Critical patent/JPS51121749A/en
Pending legal-status Critical Current

Links

Landscapes

  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: An electric leakage detector capable of compensating for leakage current component due to floating capacity of a load machine, detecting only the leakage due to insulation deterioration.
COPYRIGHT: (C)1976,JPO&Japio
JP50047677A 1975-04-18 1975-04-18 Electric leakage detector Pending JPS51121749A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50047677A JPS51121749A (en) 1975-04-18 1975-04-18 Electric leakage detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50047677A JPS51121749A (en) 1975-04-18 1975-04-18 Electric leakage detector

Publications (1)

Publication Number Publication Date
JPS51121749A true JPS51121749A (en) 1976-10-25

Family

ID=12781895

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50047677A Pending JPS51121749A (en) 1975-04-18 1975-04-18 Electric leakage detector

Country Status (1)

Country Link
JP (1) JPS51121749A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5366641U (en) * 1976-11-08 1978-06-05
JPS5375454A (en) * 1976-12-16 1978-07-04 Oki Masao Device for preventing erroneous operation of leaked breaker
JPS5480528A (en) * 1977-12-09 1979-06-27 Saito Minoru Multiifunctioning checking circuit for leak breaker
JPS5869423A (en) * 1981-10-03 1983-04-25 森 忠臣 Directivity ground-fault relaying nod for nonground system high voltage circuit
JPS5953014A (en) * 1982-09-20 1984-03-27 東レ株式会社 Dc ground-fault protecting relay
JP2006226879A (en) * 2005-02-18 2006-08-31 Chugoku Electric Power Co Inc:The Leakage current measuring instrument

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5366641U (en) * 1976-11-08 1978-06-05
JPS5638920Y2 (en) * 1976-11-08 1981-09-10
JPS5375454A (en) * 1976-12-16 1978-07-04 Oki Masao Device for preventing erroneous operation of leaked breaker
JPS5480528A (en) * 1977-12-09 1979-06-27 Saito Minoru Multiifunctioning checking circuit for leak breaker
JPS5869423A (en) * 1981-10-03 1983-04-25 森 忠臣 Directivity ground-fault relaying nod for nonground system high voltage circuit
JPS5953014A (en) * 1982-09-20 1984-03-27 東レ株式会社 Dc ground-fault protecting relay
JP2006226879A (en) * 2005-02-18 2006-08-31 Chugoku Electric Power Co Inc:The Leakage current measuring instrument

Similar Documents

Publication Publication Date Title
JPS51121749A (en) Electric leakage detector
JPS5229938A (en) Detection apparatus for the operation of electric machiens
JPS5217006A (en) Tape tension control unit
JPS51129643A (en) Load-current/phase-lack detecting circuit for three-phase circuit
JPS5245647A (en) Polyolefin compositions for electrical insulation
JPS52155345A (en) Power interruption detecting circuit
JPS51134900A (en) Electric insulated paper
JPS5240552A (en) Polyolefin compositions for electrical insulation
JPS5284439A (en) Ac load broken line detector
JPS51130839A (en) Method for detecting trouble of electric insulation
JPS52100150A (en) Failure section detecting method of cable line
JPS547139A (en) Shortcircuit fault detector for electric mchinery
JPS5333342A (en) Discharge detector for electrical equipment
JPS5216601A (en) Apparatus for preventing axial current
JPS5333341A (en) Discharge detector for electrical equipment
JPS5229058A (en) Position detector for elevator
JPS5340843A (en) Detector for step-out
JPS5212401A (en) Winding for electrical machinery
JPS5315876A (en) Leak tester
JPS53118752A (en) Fault detector for electric machinery
JPS51134883A (en) Electric line for detecting leaked oil
JPS5213370A (en) An alternating current voltage detector
JPS5242237A (en) Leakage current detector for a.c. electric machinery
JPS5216255A (en) Measuring device for loss angle
JPS543288A (en) Discharge position detector for electric machine