JPS5228640A - Protective relay - Google Patents

Protective relay

Info

Publication number
JPS5228640A
JPS5228640A JP50104537A JP10453775A JPS5228640A JP S5228640 A JPS5228640 A JP S5228640A JP 50104537 A JP50104537 A JP 50104537A JP 10453775 A JP10453775 A JP 10453775A JP S5228640 A JPS5228640 A JP S5228640A
Authority
JP
Japan
Prior art keywords
protective relay
samoled
operated
voltage
predetermined 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
JP50104537A
Other languages
Japanese (ja)
Inventor
Minoru Iwasaki
Takayuki Kobayashi
Izumi Mitani
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
Tokyo Electric Power Co Holdings Inc
Original Assignee
Toshiba Corp
Tokyo 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, Tokyo Electric Power Co Inc, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP50104537A priority Critical patent/JPS5228640A/en
Publication of JPS5228640A publication Critical patent/JPS5228640A/en
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: Protective relay where electrical values such as voltage, current of power system are samoled with predetermined time interval and operated by digital operator.
COPYRIGHT: (C)1977,JPO&Japio
JP50104537A 1975-08-30 1975-08-30 Protective relay Pending JPS5228640A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50104537A JPS5228640A (en) 1975-08-30 1975-08-30 Protective relay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50104537A JPS5228640A (en) 1975-08-30 1975-08-30 Protective relay

Publications (1)

Publication Number Publication Date
JPS5228640A true JPS5228640A (en) 1977-03-03

Family

ID=14383229

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50104537A Pending JPS5228640A (en) 1975-08-30 1975-08-30 Protective relay

Country Status (1)

Country Link
JP (1) JPS5228640A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5048442A (en) * 1973-08-31 1975-04-30

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5048442A (en) * 1973-08-31 1975-04-30

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