JPS544341A - Protective relay system - Google Patents

Protective relay system

Info

Publication number
JPS544341A
JPS544341A JP7008377A JP7008377A JPS544341A JP S544341 A JPS544341 A JP S544341A JP 7008377 A JP7008377 A JP 7008377A JP 7008377 A JP7008377 A JP 7008377A JP S544341 A JPS544341 A JP S544341A
Authority
JP
Japan
Prior art keywords
relay system
protective relay
operated
braking
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
JP7008377A
Other languages
Japanese (ja)
Inventor
Mitsuru Tanimoto
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.)
Fuji Electric Co Ltd
Original Assignee
Fuji 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 Fuji Electric Co Ltd filed Critical Fuji Electric Co Ltd
Priority to JP7008377A priority Critical patent/JPS544341A/en
Publication of JPS544341A publication Critical patent/JPS544341A/en
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: To prevent miss braking at trouble restored time, by providing a sequence circuit with which directional relay is operated at first, and braking instruction is issued, only when over current relay is operated afterwards.
COPYRIGHT: (C)1979,JPO&Japio
JP7008377A 1977-06-14 1977-06-14 Protective relay system Pending JPS544341A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7008377A JPS544341A (en) 1977-06-14 1977-06-14 Protective relay system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7008377A JPS544341A (en) 1977-06-14 1977-06-14 Protective relay system

Publications (1)

Publication Number Publication Date
JPS544341A true JPS544341A (en) 1979-01-13

Family

ID=13421281

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7008377A Pending JPS544341A (en) 1977-06-14 1977-06-14 Protective relay system

Country Status (1)

Country Link
JP (1) JPS544341A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6099440A (en) * 1983-11-04 1985-06-03 Hitachi Ltd Low residual stress type rolled joint method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6099440A (en) * 1983-11-04 1985-06-03 Hitachi Ltd Low residual stress type rolled joint method

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