JPS5228642A - Protective relay - Google Patents

Protective relay

Info

Publication number
JPS5228642A
JPS5228642A JP50104539A JP10453975A JPS5228642A JP S5228642 A JPS5228642 A JP S5228642A JP 50104539 A JP50104539 A JP 50104539A JP 10453975 A JP10453975 A JP 10453975A JP S5228642 A JPS5228642 A JP S5228642A
Authority
JP
Japan
Prior art keywords
protective relay
memory
output
power system
sampling interval
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
JP50104539A
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 JP50104539A priority Critical patent/JPS5228642A/en
Publication of JPS5228642A publication Critical patent/JPS5228642A/en
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: Protective relay where sampled value from power system is once input to memory and can be output after desired sampling interval.
COPYRIGHT: (C)1977,JPO&Japio
JP50104539A 1975-08-30 1975-08-30 Protective relay Pending JPS5228642A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50104539A JPS5228642A (en) 1975-08-30 1975-08-30 Protective relay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50104539A JPS5228642A (en) 1975-08-30 1975-08-30 Protective relay

Publications (1)

Publication Number Publication Date
JPS5228642A true JPS5228642A (en) 1977-03-03

Family

ID=14383287

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50104539A Pending JPS5228642A (en) 1975-08-30 1975-08-30 Protective relay

Country Status (1)

Country Link
JP (1) JPS5228642A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49117004A (en) * 1973-03-10 1974-11-08
US4539562A (en) * 1982-12-30 1985-09-03 The Scott & Fetzer Company Load current monitoring device for detecting predetermined degree of change in load impedance
US5532042A (en) * 1989-04-05 1996-07-02 Hitachi Maxell, Ltd. Magnetic recording medium

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

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49117004A (en) * 1973-03-10 1974-11-08
JPS5249961B2 (en) * 1973-03-10 1977-12-21
US4539562A (en) * 1982-12-30 1985-09-03 The Scott & Fetzer Company Load current monitoring device for detecting predetermined degree of change in load impedance
US5532042A (en) * 1989-04-05 1996-07-02 Hitachi Maxell, Ltd. Magnetic recording medium
USRE38048E1 (en) * 1989-04-05 2003-03-25 Hitachi Maxell, Ltd. Magnetic recording medium

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