JPS5243962A - Digital type protective relay device - Google Patents

Digital type protective relay device

Info

Publication number
JPS5243962A
JPS5243962A JP50118760A JP11876075A JPS5243962A JP S5243962 A JPS5243962 A JP S5243962A JP 50118760 A JP50118760 A JP 50118760A JP 11876075 A JP11876075 A JP 11876075A JP S5243962 A JPS5243962 A JP S5243962A
Authority
JP
Japan
Prior art keywords
relay device
protective relay
type protective
digital type
values
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
JP50118760A
Other languages
Japanese (ja)
Other versions
JPS6111053B2 (en
Inventor
Yoshiji Nii
Takayuki Matsuda
Kazuhiro Sano
Eizaburo Sako
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 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 JP50118760A priority Critical patent/JPS5243962A/en
Publication of JPS5243962A publication Critical patent/JPS5243962A/en
Publication of JPS6111053B2 publication Critical patent/JPS6111053B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: Sampling values of system informations such as current, voltage and others in electric power system, are converted to digital quantity, resistance and reactance till fault point are operated, and based on the values, detecting precision is elevated.
COPYRIGHT: (C)1977,JPO&Japio
JP50118760A 1975-10-03 1975-10-03 Digital type protective relay device Granted JPS5243962A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50118760A JPS5243962A (en) 1975-10-03 1975-10-03 Digital type protective relay device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50118760A JPS5243962A (en) 1975-10-03 1975-10-03 Digital type protective relay device

Publications (2)

Publication Number Publication Date
JPS5243962A true JPS5243962A (en) 1977-04-06
JPS6111053B2 JPS6111053B2 (en) 1986-04-01

Family

ID=14744369

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50118760A Granted JPS5243962A (en) 1975-10-03 1975-10-03 Digital type protective relay device

Country Status (1)

Country Link
JP (1) JPS5243962A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5541130A (en) * 1978-09-14 1980-03-22 Hitachi Ltd Digital protecting relay

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4940147A (en) * 1972-08-17 1974-04-15

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4940147A (en) * 1972-08-17 1974-04-15

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5541130A (en) * 1978-09-14 1980-03-22 Hitachi Ltd Digital protecting relay

Also Published As

Publication number Publication date
JPS6111053B2 (en) 1986-04-01

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