JPS52103647A - Protection controller - Google Patents

Protection controller

Info

Publication number
JPS52103647A
JPS52103647A JP2004376A JP2004376A JPS52103647A JP S52103647 A JPS52103647 A JP S52103647A JP 2004376 A JP2004376 A JP 2004376A JP 2004376 A JP2004376 A JP 2004376A JP S52103647 A JPS52103647 A JP S52103647A
Authority
JP
Japan
Prior art keywords
protection controller
slightly
protection relay
extraordinary signal
misoperating
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
JP2004376A
Other languages
Japanese (ja)
Other versions
JPS5743015B2 (en
Inventor
Minoru Kitagawa
Fumio Ando
Yuji Oki
Masuo Nakajima
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.)
Toshiba Corp
Chugoku Electric Power Co Inc
Original Assignee
Toshiba Corp
Chugoku Electric Power Co Inc
Tokyo Shibaura Electric 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 Toshiba Corp, Chugoku Electric Power Co Inc, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP2004376A priority Critical patent/JPS52103647A/en
Publication of JPS52103647A publication Critical patent/JPS52103647A/en
Publication of JPS5743015B2 publication Critical patent/JPS5743015B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: To prevent a protection relay from misoperating caused by a slightly extraordinary signal by detecting a slightly extraordinary signal to stop the protection relay working.
COPYRIGHT: (C)1977,JPO&Japio
JP2004376A 1976-02-27 1976-02-27 Protection controller Granted JPS52103647A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004376A JPS52103647A (en) 1976-02-27 1976-02-27 Protection controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004376A JPS52103647A (en) 1976-02-27 1976-02-27 Protection controller

Publications (2)

Publication Number Publication Date
JPS52103647A true JPS52103647A (en) 1977-08-31
JPS5743015B2 JPS5743015B2 (en) 1982-09-11

Family

ID=12016017

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004376A Granted JPS52103647A (en) 1976-02-27 1976-02-27 Protection controller

Country Status (1)

Country Link
JP (1) JPS52103647A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52121749A (en) * 1976-04-07 1977-10-13 Toshiba Corp Protective relay device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5228650A (en) * 1975-08-29 1977-03-03 Mitsubishi Electric Corp Abnormality detector for differential protective relay
JPS5242238A (en) * 1975-10-01 1977-04-01 Mitsubishi Electric Corp Abnormality detector for differential protective relay

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5228650A (en) * 1975-08-29 1977-03-03 Mitsubishi Electric Corp Abnormality detector for differential protective relay
JPS5242238A (en) * 1975-10-01 1977-04-01 Mitsubishi Electric Corp Abnormality detector for differential protective relay

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52121749A (en) * 1976-04-07 1977-10-13 Toshiba Corp Protective relay device
JPS5743016B2 (en) * 1976-04-07 1982-09-11

Also Published As

Publication number Publication date
JPS5743015B2 (en) 1982-09-11

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