JPS57106334A - Protection relay unit - Google Patents

Protection relay unit

Info

Publication number
JPS57106334A
JPS57106334A JP55182342A JP18234280A JPS57106334A JP S57106334 A JPS57106334 A JP S57106334A JP 55182342 A JP55182342 A JP 55182342A JP 18234280 A JP18234280 A JP 18234280A JP S57106334 A JPS57106334 A JP S57106334A
Authority
JP
Japan
Prior art keywords
relay unit
protection relay
protection
unit
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
JP55182342A
Other languages
Japanese (ja)
Inventor
Riyouichi Taira
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 JP55182342A priority Critical patent/JPS57106334A/en
Publication of JPS57106334A publication Critical patent/JPS57106334A/en
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)
JP55182342A 1980-12-23 1980-12-23 Protection relay unit Pending JPS57106334A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55182342A JPS57106334A (en) 1980-12-23 1980-12-23 Protection relay unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55182342A JPS57106334A (en) 1980-12-23 1980-12-23 Protection relay unit

Publications (1)

Publication Number Publication Date
JPS57106334A true JPS57106334A (en) 1982-07-02

Family

ID=16116627

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55182342A Pending JPS57106334A (en) 1980-12-23 1980-12-23 Protection relay unit

Country Status (1)

Country Link
JP (1) JPS57106334A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62239820A (en) * 1986-04-08 1987-10-20 ウエスチングハウス　エレクトリック　コ−ポレ−ション Echo keying type direction comparing blocking apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62239820A (en) * 1986-04-08 1987-10-20 ウエスチングハウス　エレクトリック　コ−ポレ−ション Echo keying type direction comparing blocking apparatus

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