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JPS5419147A - Digital protective relay - Google Patents

Digital protective relay

Info

Publication number
JPS5419147A
JPS5419147A JP8391977A JP8391977A JPS5419147A JP S5419147 A JPS5419147 A JP S5419147A JP 8391977 A JP8391977 A JP 8391977A JP 8391977 A JP8391977 A JP 8391977A JP S5419147 A JPS5419147 A JP S5419147A
Authority
JP
Japan
Prior art keywords
protective relay
digital protective
operating
signals
working time
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
JP8391977A
Other languages
Japanese (ja)
Inventor
Eiichi Okamoto
Toshihisa Funahashi
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 JP8391977A priority Critical patent/JPS5419147A/en
Publication of JPS5419147A publication Critical patent/JPS5419147A/en
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: To reduce working time by a number of operation devices to a single relay element and operating the data signals with the different phase of each operation device, respectively, then using trip signals as the logical sum (OR).
COPYRIGHT: (C)1979,JPO&Japio
JP8391977A 1977-07-13 1977-07-13 Digital protective relay Pending JPS5419147A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8391977A JPS5419147A (en) 1977-07-13 1977-07-13 Digital protective relay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8391977A JPS5419147A (en) 1977-07-13 1977-07-13 Digital protective relay

Publications (1)

Publication Number Publication Date
JPS5419147A true JPS5419147A (en) 1979-02-13

Family

ID=13816000

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8391977A Pending JPS5419147A (en) 1977-07-13 1977-07-13 Digital protective relay

Country Status (1)

Country Link
JP (1) JPS5419147A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0550941U (en) * 1991-12-05 1993-07-02 日新電機株式会社 Protective relay

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50113751A (en) * 1974-02-20 1975-09-06

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50113751A (en) * 1974-02-20 1975-09-06

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0550941U (en) * 1991-12-05 1993-07-02 日新電機株式会社 Protective relay

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