JPS5638924A - Directivity grounddfault relay control system - Google Patents

Directivity grounddfault relay control system

Info

Publication number
JPS5638924A
JPS5638924A JP11265979A JP11265979A JPS5638924A JP S5638924 A JPS5638924 A JP S5638924A JP 11265979 A JP11265979 A JP 11265979A JP 11265979 A JP11265979 A JP 11265979A JP S5638924 A JPS5638924 A JP S5638924A
Authority
JP
Japan
Prior art keywords
grounddfault
directivity
control system
relay control
relay
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
JP11265979A
Other languages
Japanese (ja)
Inventor
Mitsuaki Murata
Masahiko Fujii
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP11265979A priority Critical patent/JPS5638924A/en
Publication of JPS5638924A publication Critical patent/JPS5638924A/en
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)
JP11265979A 1979-09-03 1979-09-03 Directivity grounddfault relay control system Pending JPS5638924A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11265979A JPS5638924A (en) 1979-09-03 1979-09-03 Directivity grounddfault relay control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11265979A JPS5638924A (en) 1979-09-03 1979-09-03 Directivity grounddfault relay control system

Publications (1)

Publication Number Publication Date
JPS5638924A true JPS5638924A (en) 1981-04-14

Family

ID=14592257

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11265979A Pending JPS5638924A (en) 1979-09-03 1979-09-03 Directivity grounddfault relay control system

Country Status (1)

Country Link
JP (1) JPS5638924A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5315545A (en) * 1976-07-29 1978-02-13 Toshiba Corp Circuit trouble detector
JPS53103137A (en) * 1977-02-21 1978-09-08 Omron Tateisi Electronics Co Ground directional relay

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5315545A (en) * 1976-07-29 1978-02-13 Toshiba Corp Circuit trouble detector
JPS53103137A (en) * 1977-02-21 1978-09-08 Omron Tateisi Electronics Co Ground directional relay

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