JPS57142125A - Digital protection relay display unit - Google Patents

Digital protection relay display unit

Info

Publication number
JPS57142125A
JPS57142125A JP56025501A JP2550181A JPS57142125A JP S57142125 A JPS57142125 A JP S57142125A JP 56025501 A JP56025501 A JP 56025501A JP 2550181 A JP2550181 A JP 2550181A JP S57142125 A JPS57142125 A JP S57142125A
Authority
JP
Japan
Prior art keywords
display unit
protection relay
digital protection
relay display
digital
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
JP56025501A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6346649B2 (enrdf_load_stackoverflow
Inventor
Jiyuichi Saitou
Shiyunji Matsuoka
Hideo Mori
Kazuo Sano
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.)
Tohoku Electric Power Co Inc
Hitachi Ltd
Original Assignee
Tohoku Electric Power Co 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 Tohoku Electric Power Co Inc, Hitachi Ltd filed Critical Tohoku Electric Power Co Inc
Priority to JP56025501A priority Critical patent/JPS57142125A/ja
Publication of JPS57142125A publication Critical patent/JPS57142125A/ja
Publication of JPS6346649B2 publication Critical patent/JPS6346649B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)
JP56025501A 1981-02-25 1981-02-25 Digital protection relay display unit Granted JPS57142125A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56025501A JPS57142125A (en) 1981-02-25 1981-02-25 Digital protection relay display unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56025501A JPS57142125A (en) 1981-02-25 1981-02-25 Digital protection relay display unit

Publications (2)

Publication Number Publication Date
JPS57142125A true JPS57142125A (en) 1982-09-02
JPS6346649B2 JPS6346649B2 (enrdf_load_stackoverflow) 1988-09-16

Family

ID=12167807

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56025501A Granted JPS57142125A (en) 1981-02-25 1981-02-25 Digital protection relay display unit

Country Status (1)

Country Link
JP (1) JPS57142125A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59169334A (ja) * 1983-03-17 1984-09-25 株式会社東芝 インピ−ダンス変化率継電器
JPS637130A (ja) * 1986-06-24 1988-01-13 インタ−ナショナル　ビジネス　マシ−ンズ　コ−ポレ−ション 電源制御障害分離指示装置
JPS63178722A (ja) * 1987-01-14 1988-07-22 株式会社東芝 保護継電装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59169334A (ja) * 1983-03-17 1984-09-25 株式会社東芝 インピ−ダンス変化率継電器
JPS637130A (ja) * 1986-06-24 1988-01-13 インタ−ナショナル　ビジネス　マシ−ンズ　コ−ポレ−ション 電源制御障害分離指示装置
JPS63178722A (ja) * 1987-01-14 1988-07-22 株式会社東芝 保護継電装置

Also Published As

Publication number Publication date
JPS6346649B2 (enrdf_load_stackoverflow) 1988-09-16

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