JPS51115634A - Protective relay - Google Patents

Protective relay

Info

Publication number
JPS51115634A
JPS51115634A JP50039963A JP3996375A JPS51115634A JP S51115634 A JPS51115634 A JP S51115634A JP 50039963 A JP50039963 A JP 50039963A JP 3996375 A JP3996375 A JP 3996375A JP S51115634 A JPS51115634 A JP S51115634A
Authority
JP
Japan
Prior art keywords
protective relay
unavailable
operate
detection
operation 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.)
Granted
Application number
JP50039963A
Other languages
Japanese (ja)
Other versions
JPS5633936B2 (en
Inventor
Minoru Kitagawa
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
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 JP50039963A priority Critical patent/JPS51115634A/en
Publication of JPS51115634A publication Critical patent/JPS51115634A/en
Publication of JPS5633936B2 publication Critical patent/JPS5633936B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: A protective relay system which, for a frequency modulating method, does not operate by low noise unavailable for detection with a noise detector and also features short operation time.
COPYRIGHT: (C)1976,JPO&Japio
JP50039963A 1975-04-02 1975-04-02 Protective relay Granted JPS51115634A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50039963A JPS51115634A (en) 1975-04-02 1975-04-02 Protective relay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50039963A JPS51115634A (en) 1975-04-02 1975-04-02 Protective relay

Publications (2)

Publication Number Publication Date
JPS51115634A true JPS51115634A (en) 1976-10-12
JPS5633936B2 JPS5633936B2 (en) 1981-08-06

Family

ID=12567603

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50039963A Granted JPS51115634A (en) 1975-04-02 1975-04-02 Protective relay

Country Status (1)

Country Link
JP (1) JPS51115634A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63100040U (en) * 1986-12-20 1988-06-29

Also Published As

Publication number Publication date
JPS5633936B2 (en) 1981-08-06

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