JPS52100155A - Protective relay - Google Patents

Protective relay

Info

Publication number
JPS52100155A
JPS52100155A JP1586276A JP1586276A JPS52100155A JP S52100155 A JPS52100155 A JP S52100155A JP 1586276 A JP1586276 A JP 1586276A JP 1586276 A JP1586276 A JP 1586276A JP S52100155 A JPS52100155 A JP S52100155A
Authority
JP
Japan
Prior art keywords
protective relay
sensibility
relay
leectric
manimum
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
JP1586276A
Other languages
Japanese (ja)
Other versions
JPS5644661B2 (en
Inventor
Fumio Ando
Ryotaro Kondo
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
Original Assignee
Toshiba Corp
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 Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP1586276A priority Critical patent/JPS52100155A/en
Publication of JPS52100155A publication Critical patent/JPS52100155A/en
Publication of JPS5644661B2 publication Critical patent/JPS5644661B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: To obtain a relay having a high sensibility without varying a manimum sensibility depending on leectric amount by sampling a plurality of A.C. electric amounts in a predetermined period and by calculating a specific relation expression using AD converted data.
COPYRIGHT: (C)1977,JPO&Japio
JP1586276A 1976-02-18 1976-02-18 Protective relay Granted JPS52100155A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1586276A JPS52100155A (en) 1976-02-18 1976-02-18 Protective relay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1586276A JPS52100155A (en) 1976-02-18 1976-02-18 Protective relay

Publications (2)

Publication Number Publication Date
JPS52100155A true JPS52100155A (en) 1977-08-22
JPS5644661B2 JPS5644661B2 (en) 1981-10-21

Family

ID=11900600

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1586276A Granted JPS52100155A (en) 1976-02-18 1976-02-18 Protective relay

Country Status (1)

Country Link
JP (1) JPS52100155A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57177223A (en) * 1981-04-24 1982-10-30 Takaoka Electric Mfg Co Ltd Digtal ground-fault direction relay device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5058544A (en) * 1973-09-25 1975-05-21

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5058544A (en) * 1973-09-25 1975-05-21

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57177223A (en) * 1981-04-24 1982-10-30 Takaoka Electric Mfg Co Ltd Digtal ground-fault direction relay device

Also Published As

Publication number Publication date
JPS5644661B2 (en) 1981-10-21

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