JPS53124745A - Digital protective relay - Google Patents

Digital protective relay

Info

Publication number
JPS53124745A
JPS53124745A JP3972377A JP3972377A JPS53124745A JP S53124745 A JPS53124745 A JP S53124745A JP 3972377 A JP3972377 A JP 3972377A JP 3972377 A JP3972377 A JP 3972377A JP S53124745 A JPS53124745 A JP S53124745A
Authority
JP
Japan
Prior art keywords
protective relay
digital protective
digital
prevent
change
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
JP3972377A
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 JP3972377A priority Critical patent/JPS53124745A/en
Publication of JPS53124745A publication Critical patent/JPS53124745A/en
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: To prevent an error operation, by exactly obtaining a change, when rapidly varied an electrical quantity in the power system, as AC digital quantity.
COPYRIGHT: (C)1978,JPO&Japio
JP3972377A 1977-04-06 1977-04-06 Digital protective relay Pending JPS53124745A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3972377A JPS53124745A (en) 1977-04-06 1977-04-06 Digital protective relay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3972377A JPS53124745A (en) 1977-04-06 1977-04-06 Digital protective relay

Publications (1)

Publication Number Publication Date
JPS53124745A true JPS53124745A (en) 1978-10-31

Family

ID=12560897

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3972377A Pending JPS53124745A (en) 1977-04-06 1977-04-06 Digital protective relay

Country Status (1)

Country Link
JP (1) JPS53124745A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS504838A (en) * 1973-05-16 1975-01-18
JPS5135704A (en) * 1974-08-30 1976-03-26 Erco Envirotech Ltd PARUPUKASOSANYOTSUTE NATORIUM USARUFUEETOTONOKONGOBUTSUKARA ENKANATORIUMUOKAISHUSURU HOHO

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS504838A (en) * 1973-05-16 1975-01-18
JPS5135704A (en) * 1974-08-30 1976-03-26 Erco Envirotech Ltd PARUPUKASOSANYOTSUTE NATORIUM USARUFUEETOTONOKONGOBUTSUKARA ENKANATORIUMUOKAISHUSURU HOHO

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