JPS57129125A - Method of inspecting frequency relay - Google Patents

Method of inspecting frequency relay

Info

Publication number
JPS57129125A
JPS57129125A JP56013023A JP1302381A JPS57129125A JP S57129125 A JPS57129125 A JP S57129125A JP 56013023 A JP56013023 A JP 56013023A JP 1302381 A JP1302381 A JP 1302381A JP S57129125 A JPS57129125 A JP S57129125A
Authority
JP
Japan
Prior art keywords
frequency relay
inspecting
inspecting frequency
relay
frequency
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
JP56013023A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6320089B2 (enrdf_load_stackoverflow
Inventor
Shiyunji Matsuoka
Hideo Mori
Yasuo Kawamata
Yasuo Aoki
Kazuo Sano
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 JP56013023A priority Critical patent/JPS57129125A/ja
Publication of JPS57129125A publication Critical patent/JPS57129125A/ja
Publication of JPS6320089B2 publication Critical patent/JPS6320089B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Tests Of Electronic Circuits (AREA)
  • Emergency Protection Circuit Devices (AREA)
JP56013023A 1981-02-02 1981-02-02 Method of inspecting frequency relay Granted JPS57129125A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56013023A JPS57129125A (en) 1981-02-02 1981-02-02 Method of inspecting frequency relay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56013023A JPS57129125A (en) 1981-02-02 1981-02-02 Method of inspecting frequency relay

Publications (2)

Publication Number Publication Date
JPS57129125A true JPS57129125A (en) 1982-08-11
JPS6320089B2 JPS6320089B2 (enrdf_load_stackoverflow) 1988-04-26

Family

ID=11821538

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56013023A Granted JPS57129125A (en) 1981-02-02 1981-02-02 Method of inspecting frequency relay

Country Status (1)

Country Link
JP (1) JPS57129125A (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02131321A (ja) * 1988-11-05 1990-05-21 Mitsubishi Electric Corp デジタル保護継電器
US5319515A (en) * 1990-10-12 1994-06-07 Raychem Limited Circuit protection arrangement
US5625519A (en) * 1990-10-12 1997-04-29 Raychem Limited Circuit protection arrangement
US6118641A (en) * 1991-01-07 2000-09-12 Raychem Limited Overcurrent protection device
US6404608B1 (en) 1990-10-12 2002-06-11 Tyco Electronics Uk Ltd. Overcurrent protection device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02131321A (ja) * 1988-11-05 1990-05-21 Mitsubishi Electric Corp デジタル保護継電器
US5319515A (en) * 1990-10-12 1994-06-07 Raychem Limited Circuit protection arrangement
US5625519A (en) * 1990-10-12 1997-04-29 Raychem Limited Circuit protection arrangement
US6404608B1 (en) 1990-10-12 2002-06-11 Tyco Electronics Uk Ltd. Overcurrent protection device
US6118641A (en) * 1991-01-07 2000-09-12 Raychem Limited Overcurrent protection device

Also Published As

Publication number Publication date
JPS6320089B2 (enrdf_load_stackoverflow) 1988-04-26

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