JPS5617546A - Protecting device for short circuit of transmission line - Google Patents

Protecting device for short circuit of transmission line

Info

Publication number
JPS5617546A
JPS5617546A JP9290579A JP9290579A JPS5617546A JP S5617546 A JPS5617546 A JP S5617546A JP 9290579 A JP9290579 A JP 9290579A JP 9290579 A JP9290579 A JP 9290579A JP S5617546 A JPS5617546 A JP S5617546A
Authority
JP
Japan
Prior art keywords
signal line
switch
reduction
short circuit
line voltage
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
JP9290579A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6149863B2 (enrdf_load_stackoverflow
Inventor
Akira Yasuda
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP9290579A priority Critical patent/JPS5617546A/ja
Publication of JPS5617546A publication Critical patent/JPS5617546A/ja
Publication of JPS6149863B2 publication Critical patent/JPS6149863B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/08—Modifications for reducing interference; Modifications for reducing effects due to line faults ; Receiver end arrangements for detecting or overcoming line faults

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Selective Calling Equipment (AREA)
  • Small-Scale Networks (AREA)
JP9290579A 1979-07-20 1979-07-20 Protecting device for short circuit of transmission line Granted JPS5617546A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9290579A JPS5617546A (en) 1979-07-20 1979-07-20 Protecting device for short circuit of transmission line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9290579A JPS5617546A (en) 1979-07-20 1979-07-20 Protecting device for short circuit of transmission line

Publications (2)

Publication Number Publication Date
JPS5617546A true JPS5617546A (en) 1981-02-19
JPS6149863B2 JPS6149863B2 (enrdf_load_stackoverflow) 1986-10-31

Family

ID=14067489

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9290579A Granted JPS5617546A (en) 1979-07-20 1979-07-20 Protecting device for short circuit of transmission line

Country Status (1)

Country Link
JP (1) JPS5617546A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6367842A (ja) * 1986-09-09 1988-03-26 Mitsubishi Electric Corp 負荷制御システム

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6367842A (ja) * 1986-09-09 1988-03-26 Mitsubishi Electric Corp 負荷制御システム

Also Published As

Publication number Publication date
JPS6149863B2 (enrdf_load_stackoverflow) 1986-10-31

Similar Documents

Publication Publication Date Title
CA1034993A (en) Ground fault circuit breaker with ground fault trip indicator
AU6961481A (en) Overcurrent relay circuit
AU2844077A (en) Circuit breaker racking mechanism
JPS5484403A (en) Double system transmission line switching system
FR2437692A1 (fr) Dispositif de protection differentielle a bloc differentiel accouple au bloc disjoncteur
JPS5617546A (en) Protecting device for short circuit of transmission line
AU504028B2 (en) Selective threshold ignition circuit
GB1452616A (en) Phase comparison relaying apparatus with two-count by-pass circuit
JPS5392603A (en) Line branching unit
JPS54110702A (en) Data highway monitor system
JPS55150636A (en) Data transmitting unit
JPS5596739A (en) Automatic switching stand-by system
AU513370B2 (en) Safety switch
SU598029A2 (ru) Устройство дл проверки тока срабатывани и отпускани реле
JPS6447145A (en) Multiplex transmission equipment
JPS55132138A (en) Multiplex switching unit
GB1189244A (en) Telephone Line Circuit
JPS51134848A (en) Frost damage protector
JPS5310039A (en) Leak breaker operation indicating device with protective lamp
JPS5352326A (en) Output interface of logical operation circuit
JPS53133349A (en) Terminal control unit for central control unit at fault occurrence time
JPS52155346A (en) Dead point failure protecting system
JPS53147953A (en) Changeover switchgear
JPS5691601A (en) Abnormality detector of transferring body
JPS528449A (en) Direction comparison relay device