JPS53130078A - Ground-fault phase detecting relay - Google Patents

Ground-fault phase detecting relay

Info

Publication number
JPS53130078A
JPS53130078A JP4550577A JP4550577A JPS53130078A JP S53130078 A JPS53130078 A JP S53130078A JP 4550577 A JP4550577 A JP 4550577A JP 4550577 A JP4550577 A JP 4550577A JP S53130078 A JPS53130078 A JP S53130078A
Authority
JP
Japan
Prior art keywords
ground
phase detecting
fault phase
detecting relay
square wave
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
JP4550577A
Other languages
Japanese (ja)
Inventor
Masakazu Kajiwara
Minoru Hatada
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.)
Kansai Electric Power Co Inc
Mitsubishi Electric Corp
Original Assignee
Kansai Electric Power Co Inc
Mitsubishi Electric Corp
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 Kansai Electric Power Co Inc, Mitsubishi Electric Corp filed Critical Kansai Electric Power Co Inc
Priority to JP4550577A priority Critical patent/JPS53130078A/en
Publication of JPS53130078A publication Critical patent/JPS53130078A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To readily detect the ground-fault phases of non-grounded system distribution lines and considerably reduce restoration time by providing devices of leading out respective interline voltages, a first square wave converting circuit, phase shifter, second square wave converting circuits and phase discriminators.
COPYRIGHT: (C)1978,JPO&Japio
JP4550577A 1977-04-19 1977-04-19 Ground-fault phase detecting relay Pending JPS53130078A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4550577A JPS53130078A (en) 1977-04-19 1977-04-19 Ground-fault phase detecting relay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4550577A JPS53130078A (en) 1977-04-19 1977-04-19 Ground-fault phase detecting relay

Publications (1)

Publication Number Publication Date
JPS53130078A true JPS53130078A (en) 1978-11-13

Family

ID=12721257

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4550577A Pending JPS53130078A (en) 1977-04-19 1977-04-19 Ground-fault phase detecting relay

Country Status (1)

Country Link
JP (1) JPS53130078A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4398232A (en) * 1981-11-13 1983-08-09 Westinghouse Electric Corp. Protective relaying methods and apparatus

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3626281A (en) * 1968-07-05 1971-12-07 Compteurs Comp D Method for the selective detection of the defective conduit or or conductors in a three-phase system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3626281A (en) * 1968-07-05 1971-12-07 Compteurs Comp D Method for the selective detection of the defective conduit or or conductors in a three-phase system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4398232A (en) * 1981-11-13 1983-08-09 Westinghouse Electric Corp. Protective relaying methods and apparatus

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