JPS6412167B2 - - Google Patents

Info

Publication number
JPS6412167B2
JPS6412167B2 JP6690981A JP6690981A JPS6412167B2 JP S6412167 B2 JPS6412167 B2 JP S6412167B2 JP 6690981 A JP6690981 A JP 6690981A JP 6690981 A JP6690981 A JP 6690981A JP S6412167 B2 JPS6412167 B2 JP S6412167B2
Authority
JP
Japan
Prior art keywords
zero
line
circuit
current
output
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.)
Expired
Application number
JP6690981A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57183229A (en
Inventor
Shinichiro Tanaka
Tsugio Shinohara
Fumio Iwatani
Takao Kubo
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.)
Shikoku Research Institute Inc
Hitachi Ltd
Original Assignee
Shikoku Research Institute Inc
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 Shikoku Research Institute Inc, Hitachi Ltd filed Critical Shikoku Research Institute Inc
Priority to JP6690981A priority Critical patent/JPS57183229A/ja
Publication of JPS57183229A publication Critical patent/JPS57183229A/ja
Publication of JPS6412167B2 publication Critical patent/JPS6412167B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)
JP6690981A 1981-05-06 1981-05-06 Ground-fault protective relay system for multichannel parallel transmission line Granted JPS57183229A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6690981A JPS57183229A (en) 1981-05-06 1981-05-06 Ground-fault protective relay system for multichannel parallel transmission line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6690981A JPS57183229A (en) 1981-05-06 1981-05-06 Ground-fault protective relay system for multichannel parallel transmission line

Publications (2)

Publication Number Publication Date
JPS57183229A JPS57183229A (en) 1982-11-11
JPS6412167B2 true JPS6412167B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-02-28

Family

ID=13329556

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6690981A Granted JPS57183229A (en) 1981-05-06 1981-05-06 Ground-fault protective relay system for multichannel parallel transmission line

Country Status (1)

Country Link
JP (1) JPS57183229A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
JPS57183229A (en) 1982-11-11

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