JPS57101516A - Automatic monitoring system for protection relay unit - Google Patents

Automatic monitoring system for protection relay unit

Info

Publication number
JPS57101516A
JPS57101516A JP55174515A JP17451580A JPS57101516A JP S57101516 A JPS57101516 A JP S57101516A JP 55174515 A JP55174515 A JP 55174515A JP 17451580 A JP17451580 A JP 17451580A JP S57101516 A JPS57101516 A JP S57101516A
Authority
JP
Japan
Prior art keywords
monitoring system
relay unit
protection relay
automatic monitoring
automatic
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
JP55174515A
Other languages
Japanese (ja)
Inventor
Tomio Chiba
Eizaburou Sakou
Jiyunichi Makino
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 JP55174515A priority Critical patent/JPS57101516A/en
Publication of JPS57101516A publication Critical patent/JPS57101516A/en
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)
JP55174515A 1980-12-12 1980-12-12 Automatic monitoring system for protection relay unit Pending JPS57101516A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55174515A JPS57101516A (en) 1980-12-12 1980-12-12 Automatic monitoring system for protection relay unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55174515A JPS57101516A (en) 1980-12-12 1980-12-12 Automatic monitoring system for protection relay unit

Publications (1)

Publication Number Publication Date
JPS57101516A true JPS57101516A (en) 1982-06-24

Family

ID=15979854

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55174515A Pending JPS57101516A (en) 1980-12-12 1980-12-12 Automatic monitoring system for protection relay unit

Country Status (1)

Country Link
JP (1) JPS57101516A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013005468A (en) * 2011-06-10 2013-01-07 Mitsubishi Electric Corp Protection relay device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013005468A (en) * 2011-06-10 2013-01-07 Mitsubishi Electric Corp Protection relay device

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