JPS52131133A - Digital type protective relay - Google Patents

Digital type protective relay

Info

Publication number
JPS52131133A
JPS52131133A JP4762876A JP4762876A JPS52131133A JP S52131133 A JPS52131133 A JP S52131133A JP 4762876 A JP4762876 A JP 4762876A JP 4762876 A JP4762876 A JP 4762876A JP S52131133 A JPS52131133 A JP S52131133A
Authority
JP
Japan
Prior art keywords
protective relay
type protective
digital type
digital
relay
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
JP4762876A
Other languages
Japanese (ja)
Inventor
Yoshiji Nii
Takayuki Matsuda
Goo Nohara
Yoshiteru Miki
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 Company 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 JP4762876A priority Critical patent/JPS52131133A/en
Publication of JPS52131133A publication Critical patent/JPS52131133A/en
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: To detect a fault in a system based on two successive sampling data.
COPYRIGHT: (C)1977,JPO&Japio
JP4762876A 1976-04-28 1976-04-28 Digital type protective relay Pending JPS52131133A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4762876A JPS52131133A (en) 1976-04-28 1976-04-28 Digital type protective relay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4762876A JPS52131133A (en) 1976-04-28 1976-04-28 Digital type protective relay

Publications (1)

Publication Number Publication Date
JPS52131133A true JPS52131133A (en) 1977-11-02

Family

ID=12780474

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4762876A Pending JPS52131133A (en) 1976-04-28 1976-04-28 Digital type protective relay

Country Status (1)

Country Link
JP (1) JPS52131133A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4843150A (en) * 1971-10-06 1973-06-22
JPS50119255A (en) * 1974-03-06 1975-09-18

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4843150A (en) * 1971-10-06 1973-06-22
JPS50119255A (en) * 1974-03-06 1975-09-18

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