JPS52143464A - Calculator type protective relay system - Google Patents

Calculator type protective relay system

Info

Publication number
JPS52143464A
JPS52143464A JP5999176A JP5999176A JPS52143464A JP S52143464 A JPS52143464 A JP S52143464A JP 5999176 A JP5999176 A JP 5999176A JP 5999176 A JP5999176 A JP 5999176A JP S52143464 A JPS52143464 A JP S52143464A
Authority
JP
Japan
Prior art keywords
relay system
protective relay
type protective
calculator type
calculator
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
JP5999176A
Other languages
Japanese (ja)
Inventor
Yoshiji Nii
Takayuki Matsuda
Kazuo Seo
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.)
Hitachi Ltd
Tokyo Electric Power Co Holdings Inc
Original Assignee
Tokyo Electric Power Co Inc
Hitachi 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 Tokyo Electric Power Co Inc, Hitachi Ltd filed Critical Tokyo Electric Power Co Inc
Priority to JP5999176A priority Critical patent/JPS52143464A/en
Publication of JPS52143464A publication Critical patent/JPS52143464A/en
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: To prevent error operation at bad rime of calculator, by judging the fact of trouble generation and judging whether trouble that protective operation is required is generated or not.
COPYRIGHT: (C)1977,JPO&Japio
JP5999176A 1976-05-26 1976-05-26 Calculator type protective relay system Pending JPS52143464A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5999176A JPS52143464A (en) 1976-05-26 1976-05-26 Calculator type protective relay system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5999176A JPS52143464A (en) 1976-05-26 1976-05-26 Calculator type protective relay system

Publications (1)

Publication Number Publication Date
JPS52143464A true JPS52143464A (en) 1977-11-30

Family

ID=13129134

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5999176A Pending JPS52143464A (en) 1976-05-26 1976-05-26 Calculator type protective relay system

Country Status (1)

Country Link
JP (1) JPS52143464A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04208023A (en) * 1990-11-30 1992-07-29 Toshiba Corp Digital protective relay device
JP2007312525A (en) * 2006-05-19 2007-11-29 Hitachi Ltd Digital protection controller

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5138644A (en) * 1974-09-30 1976-03-31 Tokyo Electric Power Co

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5138644A (en) * 1974-09-30 1976-03-31 Tokyo Electric Power Co

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04208023A (en) * 1990-11-30 1992-07-29 Toshiba Corp Digital protective relay device
JP2007312525A (en) * 2006-05-19 2007-11-29 Hitachi Ltd Digital protection controller

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