JPS55122417A - Protecting relay inspecting system - Google Patents

Protecting relay inspecting system

Info

Publication number
JPS55122417A
JPS55122417A JP2865379A JP2865379A JPS55122417A JP S55122417 A JPS55122417 A JP S55122417A JP 2865379 A JP2865379 A JP 2865379A JP 2865379 A JP2865379 A JP 2865379A JP S55122417 A JPS55122417 A JP S55122417A
Authority
JP
Japan
Prior art keywords
inspecting system
protecting relay
relay
protecting
inspecting
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
JP2865379A
Other languages
Japanese (ja)
Inventor
Kazuo Sano
Yasuo Aoki
Yasuo Kawamata
Tomio Chiba
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 JP2865379A priority Critical patent/JPS55122417A/en
Publication of JPS55122417A publication Critical patent/JPS55122417A/en
Pending legal-status Critical Current

Links

JP2865379A 1979-03-14 1979-03-14 Protecting relay inspecting system Pending JPS55122417A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2865379A JPS55122417A (en) 1979-03-14 1979-03-14 Protecting relay inspecting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2865379A JPS55122417A (en) 1979-03-14 1979-03-14 Protecting relay inspecting system

Publications (1)

Publication Number Publication Date
JPS55122417A true JPS55122417A (en) 1980-09-20

Family

ID=12254459

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2865379A Pending JPS55122417A (en) 1979-03-14 1979-03-14 Protecting relay inspecting system

Country Status (1)

Country Link
JP (1) JPS55122417A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60180416A (en) * 1984-02-28 1985-09-14 株式会社戸上電機製作所 Self-diagnosing device of protective relay
JP2011155779A (en) * 2010-01-28 2011-08-11 Hitachi Ltd Digital protective relay device for power system provided with testing facility

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5213762A (en) * 1975-07-23 1977-02-02 Hitachi Ltd Multi-phase function generating circuit
JPS536855A (en) * 1976-07-08 1978-01-21 Tokyo Electric Power Co Inc:The Digital protective relay inspection system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5213762A (en) * 1975-07-23 1977-02-02 Hitachi Ltd Multi-phase function generating circuit
JPS536855A (en) * 1976-07-08 1978-01-21 Tokyo Electric Power Co Inc:The Digital protective relay inspection system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60180416A (en) * 1984-02-28 1985-09-14 株式会社戸上電機製作所 Self-diagnosing device of protective relay
JP2011155779A (en) * 2010-01-28 2011-08-11 Hitachi Ltd Digital protective relay device for power system provided with testing facility

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