JPS53103137A - Ground directional relay - Google Patents

Ground directional relay

Info

Publication number
JPS53103137A
JPS53103137A JP1849877A JP1849877A JPS53103137A JP S53103137 A JPS53103137 A JP S53103137A JP 1849877 A JP1849877 A JP 1849877A JP 1849877 A JP1849877 A JP 1849877A JP S53103137 A JPS53103137 A JP S53103137A
Authority
JP
Japan
Prior art keywords
directional relay
ground directional
zero phase
ground
phase voltage
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
JP1849877A
Other languages
Japanese (ja)
Other versions
JPS588654B2 (en
Inventor
Yorinaka Ikenaga
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.)
Omron Corp
Original Assignee
Omron Tateisi Electronics Co
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 Omron Tateisi Electronics Co filed Critical Omron Tateisi Electronics Co
Priority to JP1849877A priority Critical patent/JPS588654B2/en
Publication of JPS53103137A publication Critical patent/JPS53103137A/en
Publication of JPS588654B2 publication Critical patent/JPS588654B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE:To increase detection sensitivity as compared with a zero phase voltage and current system whose phase characteristic is affected by the residual zero phase voltage by using the zero phase current.
JP1849877A 1977-02-21 1977-02-21 Earth fault directional relay Expired JPS588654B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1849877A JPS588654B2 (en) 1977-02-21 1977-02-21 Earth fault directional relay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1849877A JPS588654B2 (en) 1977-02-21 1977-02-21 Earth fault directional relay

Publications (2)

Publication Number Publication Date
JPS53103137A true JPS53103137A (en) 1978-09-08
JPS588654B2 JPS588654B2 (en) 1983-02-17

Family

ID=11973277

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1849877A Expired JPS588654B2 (en) 1977-02-21 1977-02-21 Earth fault directional relay

Country Status (1)

Country Link
JP (1) JPS588654B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5638924A (en) * 1979-09-03 1981-04-14 Murata Kiyoshi Directivity grounddfault relay control system
JPS56115130A (en) * 1980-02-16 1981-09-10 Takamatsu Electric Works Ltd Grounddfault trouble discriminating and indicating device
JPS58150334U (en) * 1982-04-01 1983-10-08 美和電気株式会社 Ground fault detection device for ungrounded cable distribution line Y branch
JPS6070922A (en) * 1983-09-26 1985-04-22 富士電機株式会社 Ultrafine ground-fault relaying system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5638924A (en) * 1979-09-03 1981-04-14 Murata Kiyoshi Directivity grounddfault relay control system
JPS56115130A (en) * 1980-02-16 1981-09-10 Takamatsu Electric Works Ltd Grounddfault trouble discriminating and indicating device
JPS58150334U (en) * 1982-04-01 1983-10-08 美和電気株式会社 Ground fault detection device for ungrounded cable distribution line Y branch
JPS6070922A (en) * 1983-09-26 1985-04-22 富士電機株式会社 Ultrafine ground-fault relaying system

Also Published As

Publication number Publication date
JPS588654B2 (en) 1983-02-17

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