JPS631809B2 - - Google Patents

Info

Publication number
JPS631809B2
JPS631809B2 JP14632380A JP14632380A JPS631809B2 JP S631809 B2 JPS631809 B2 JP S631809B2 JP 14632380 A JP14632380 A JP 14632380A JP 14632380 A JP14632380 A JP 14632380A JP S631809 B2 JPS631809 B2 JP S631809B2
Authority
JP
Japan
Prior art keywords
line selection
zero
line
ground fault
relay device
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
JP14632380A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5771220A (en
Inventor
Yoshiaki Yamamoto
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric Co 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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP14632380A priority Critical patent/JPS5771220A/ja
Publication of JPS5771220A publication Critical patent/JPS5771220A/ja
Publication of JPS631809B2 publication Critical patent/JPS631809B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)
JP14632380A 1980-10-21 1980-10-21 Channel selection ground-fault direction relay Granted JPS5771220A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14632380A JPS5771220A (en) 1980-10-21 1980-10-21 Channel selection ground-fault direction relay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14632380A JPS5771220A (en) 1980-10-21 1980-10-21 Channel selection ground-fault direction relay

Publications (2)

Publication Number Publication Date
JPS5771220A JPS5771220A (en) 1982-05-04
JPS631809B2 true JPS631809B2 (enrdf_load_stackoverflow) 1988-01-14

Family

ID=15405067

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14632380A Granted JPS5771220A (en) 1980-10-21 1980-10-21 Channel selection ground-fault direction relay

Country Status (1)

Country Link
JP (1) JPS5771220A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS5771220A (en) 1982-05-04

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