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JPS52144754A - Supervisory unit for protective relay - Google Patents

Supervisory unit for protective relay

Info

Publication number
JPS52144754A
JPS52144754A JP6148076A JP6148076A JPS52144754A JP S52144754 A JPS52144754 A JP S52144754A JP 6148076 A JP6148076 A JP 6148076A JP 6148076 A JP6148076 A JP 6148076A JP S52144754 A JPS52144754 A JP S52144754A
Authority
JP
Japan
Prior art keywords
protective relay
supervisory unit
detector
relay
supervisory
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
JP6148076A
Other languages
Japanese (ja)
Inventor
Yoshiji Nii
Mitsuyasu Furuse
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.)
Meidensha Electric Manufacturing Co Ltd
Tokyo Electric Power Company Holdings Inc
Original Assignee
Tokyo Electric Power Co Inc
Meidensha Electric Manufacturing 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 Electric Power Co Inc, Meidensha Electric Manufacturing Co Ltd filed Critical Tokyo Electric Power Co Inc
Priority to JP6148076A priority Critical patent/JPS52144754A/en
Publication of JPS52144754A publication Critical patent/JPS52144754A/en
Priority to JP1982170802U priority patent/JPS58143425U/en
Priority to JP1982170803U priority patent/JPS58143426U/en
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: To supervise a malfunction of the digital protective relay, by such that with a detector and decider provided, a mulfunctional operation made by either a fault detector or main detector relay be detected.
COPYRIGHT: (C)1977,JPO&Japio
JP6148076A 1976-05-26 1976-05-26 Supervisory unit for protective relay Pending JPS52144754A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP6148076A JPS52144754A (en) 1976-05-26 1976-05-26 Supervisory unit for protective relay
JP1982170802U JPS58143425U (en) 1976-05-26 1982-11-11 Protection relay monitoring device
JP1982170803U JPS58143426U (en) 1976-05-26 1982-11-11 Protection relay monitoring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6148076A JPS52144754A (en) 1976-05-26 1976-05-26 Supervisory unit for protective relay

Publications (1)

Publication Number Publication Date
JPS52144754A true JPS52144754A (en) 1977-12-02

Family

ID=13172270

Family Applications (3)

Application Number Title Priority Date Filing Date
JP6148076A Pending JPS52144754A (en) 1976-05-26 1976-05-26 Supervisory unit for protective relay
JP1982170803U Pending JPS58143426U (en) 1976-05-26 1982-11-11 Protection relay monitoring device
JP1982170802U Pending JPS58143425U (en) 1976-05-26 1982-11-11 Protection relay monitoring device

Family Applications After (2)

Application Number Title Priority Date Filing Date
JP1982170803U Pending JPS58143426U (en) 1976-05-26 1982-11-11 Protection relay monitoring device
JP1982170802U Pending JPS58143425U (en) 1976-05-26 1982-11-11 Protection relay monitoring device

Country Status (1)

Country Link
JP (3) JPS52144754A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5486620U (en) * 1977-12-02 1979-06-19

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2885342B2 (en) * 1988-09-01 1999-04-19 株式会社東芝 Protection control device
JP2653515B2 (en) * 1989-06-08 1997-09-17 株式会社東芝 Digital protection relay

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS518426B2 (en) * 1972-01-18 1976-03-16

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS518426B2 (en) * 1972-01-18 1976-03-16

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5486620U (en) * 1977-12-02 1979-06-19
JPS6120777Y2 (en) * 1977-12-02 1986-06-21

Also Published As

Publication number Publication date
JPS58143426U (en) 1983-09-27
JPS58143425U (en) 1983-09-27

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