JPS51115632A - Single-wire ground-fault accident detection relay - Google Patents

Single-wire ground-fault accident detection relay

Info

Publication number
JPS51115632A
JPS51115632A JP3917775A JP3917775A JPS51115632A JP S51115632 A JPS51115632 A JP S51115632A JP 3917775 A JP3917775 A JP 3917775A JP 3917775 A JP3917775 A JP 3917775A JP S51115632 A JPS51115632 A JP S51115632A
Authority
JP
Japan
Prior art keywords
accident detection
detection relay
fault accident
wire ground
ground
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
JP3917775A
Other languages
Japanese (ja)
Inventor
Takao Kubo
Fumio Iwatani
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP3917775A priority Critical patent/JPS51115632A/en
Publication of JPS51115632A publication Critical patent/JPS51115632A/en
Pending legal-status Critical Current

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  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: A ground-fault accident detection relay in which for a resistancegrounded neutral system and a directly grounded system, only the singlewire ground-fault accicent is detected by decixion as to the internal and external derections.
COPYRIGHT: (C)1976,JPO&Japio
JP3917775A 1975-04-02 1975-04-02 Single-wire ground-fault accident detection relay Pending JPS51115632A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3917775A JPS51115632A (en) 1975-04-02 1975-04-02 Single-wire ground-fault accident detection relay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3917775A JPS51115632A (en) 1975-04-02 1975-04-02 Single-wire ground-fault accident detection relay

Publications (1)

Publication Number Publication Date
JPS51115632A true JPS51115632A (en) 1976-10-12

Family

ID=12545823

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3917775A Pending JPS51115632A (en) 1975-04-02 1975-04-02 Single-wire ground-fault accident detection relay

Country Status (1)

Country Link
JP (1) JPS51115632A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012233809A (en) * 2011-05-05 2012-11-29 Life Technos:Kk Incidental operation alarming device of leakage detection device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012233809A (en) * 2011-05-05 2012-11-29 Life Technos:Kk Incidental operation alarming device of leakage detection device

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