JPH0158734B2 - - Google Patents

Info

Publication number
JPH0158734B2
JPH0158734B2 JP15055681A JP15055681A JPH0158734B2 JP H0158734 B2 JPH0158734 B2 JP H0158734B2 JP 15055681 A JP15055681 A JP 15055681A JP 15055681 A JP15055681 A JP 15055681A JP H0158734 B2 JPH0158734 B2 JP H0158734B2
Authority
JP
Japan
Prior art keywords
zero
current
sequence
ground fault
value
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
JP15055681A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5854821A (ja
Inventor
Yasuo Aoki
Yasuo Kawamata
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 JP15055681A priority Critical patent/JPS5854821A/ja
Publication of JPS5854821A publication Critical patent/JPS5854821A/ja
Publication of JPH0158734B2 publication Critical patent/JPH0158734B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)
JP15055681A 1981-09-25 1981-09-25 共架多回線地絡保護リレ− Granted JPS5854821A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15055681A JPS5854821A (ja) 1981-09-25 1981-09-25 共架多回線地絡保護リレ−

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15055681A JPS5854821A (ja) 1981-09-25 1981-09-25 共架多回線地絡保護リレ−

Publications (2)

Publication Number Publication Date
JPS5854821A JPS5854821A (ja) 1983-03-31
JPH0158734B2 true JPH0158734B2 (enrdf_load_stackoverflow) 1989-12-13

Family

ID=15499455

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15055681A Granted JPS5854821A (ja) 1981-09-25 1981-09-25 共架多回線地絡保護リレ−

Country Status (1)

Country Link
JP (1) JPS5854821A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60210241A (ja) * 1984-04-04 1985-10-22 キヤノン株式会社 眼底撮影装置
JPH0340252Y2 (enrdf_load_stackoverflow) * 1987-09-29 1991-08-23

Also Published As

Publication number Publication date
JPS5854821A (ja) 1983-03-31

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