JPS5242238A - Abnormality detector for differential protective relay - Google Patents

Abnormality detector for differential protective relay

Info

Publication number
JPS5242238A
JPS5242238A JP50118642A JP11864275A JPS5242238A JP S5242238 A JPS5242238 A JP S5242238A JP 50118642 A JP50118642 A JP 50118642A JP 11864275 A JP11864275 A JP 11864275A JP S5242238 A JPS5242238 A JP S5242238A
Authority
JP
Japan
Prior art keywords
protective relay
abnormality detector
differential protective
detection level
differential
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
JP50118642A
Other languages
Japanese (ja)
Inventor
Sunao Suzuki
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP50118642A priority Critical patent/JPS5242238A/en
Publication of JPS5242238A publication Critical patent/JPS5242238A/en
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: To eliminate erroneous lock due to error by controlling detection level corresponding to current thus rising detection level for large current.
COPYRIGHT: (C)1977,JPO&Japio
JP50118642A 1975-10-01 1975-10-01 Abnormality detector for differential protective relay Pending JPS5242238A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50118642A JPS5242238A (en) 1975-10-01 1975-10-01 Abnormality detector for differential protective relay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50118642A JPS5242238A (en) 1975-10-01 1975-10-01 Abnormality detector for differential protective relay

Publications (1)

Publication Number Publication Date
JPS5242238A true JPS5242238A (en) 1977-04-01

Family

ID=14741587

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50118642A Pending JPS5242238A (en) 1975-10-01 1975-10-01 Abnormality detector for differential protective relay

Country Status (1)

Country Link
JP (1) JPS5242238A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52103647A (en) * 1976-02-27 1977-08-31 Chugoku Electric Power Co Ltd:The Protection controller
JPS52121749A (en) * 1976-04-07 1977-10-13 Toshiba Corp Protective relay device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52103647A (en) * 1976-02-27 1977-08-31 Chugoku Electric Power Co Ltd:The Protection controller
JPS5743015B2 (en) * 1976-02-27 1982-09-11
JPS52121749A (en) * 1976-04-07 1977-10-13 Toshiba Corp Protective relay device
JPS5743016B2 (en) * 1976-04-07 1982-09-11

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