JPS5262637A - Protective device for d.c. transmission line - Google Patents

Protective device for d.c. transmission line

Info

Publication number
JPS5262637A
JPS5262637A JP50138061A JP13806175A JPS5262637A JP S5262637 A JPS5262637 A JP S5262637A JP 50138061 A JP50138061 A JP 50138061A JP 13806175 A JP13806175 A JP 13806175A JP S5262637 A JPS5262637 A JP S5262637A
Authority
JP
Japan
Prior art keywords
transmission line
protective device
current
priorly
prevented
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
JP50138061A
Other languages
Japanese (ja)
Other versions
JPS5639130B2 (en
Inventor
Tei Senda
Shoichi Sugawara
Atsumi Watabe
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.)
Electric Power Development Co Ltd
Hitachi Ltd
Original Assignee
Electric Power Development Co Ltd
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 Electric Power Development Co Ltd, Hitachi Ltd filed Critical Electric Power Development Co Ltd
Priority to JP50138061A priority Critical patent/JPS5262637A/en
Publication of JPS5262637A publication Critical patent/JPS5262637A/en
Publication of JPS5639130B2 publication Critical patent/JPS5639130B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Supply And Distribution Of Alternating Current (AREA)
  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: To improve reliability of failure detector in such a manner that current of initial changing direction in transient current occurred by D.C. transmission line failure is priorly detected and detection of next reversed direction current due to parasitic oscillation is prevented.
COPYRIGHT: (C)1977,JPO&Japio
JP50138061A 1975-11-19 1975-11-19 Protective device for d.c. transmission line Granted JPS5262637A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50138061A JPS5262637A (en) 1975-11-19 1975-11-19 Protective device for d.c. transmission line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50138061A JPS5262637A (en) 1975-11-19 1975-11-19 Protective device for d.c. transmission line

Publications (2)

Publication Number Publication Date
JPS5262637A true JPS5262637A (en) 1977-05-24
JPS5639130B2 JPS5639130B2 (en) 1981-09-10

Family

ID=15213053

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50138061A Granted JPS5262637A (en) 1975-11-19 1975-11-19 Protective device for d.c. transmission line

Country Status (1)

Country Link
JP (1) JPS5262637A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5073157A (en) * 1973-11-02 1975-06-17

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5073157A (en) * 1973-11-02 1975-06-17

Also Published As

Publication number Publication date
JPS5639130B2 (en) 1981-09-10

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