GB710547A - A device for maintaining a carrier current communication on a power line which is simultaneously effectively earthed - Google Patents

A device for maintaining a carrier current communication on a power line which is simultaneously effectively earthed

Info

Publication number
GB710547A
GB710547A GB1912452A GB1912452A GB710547A GB 710547 A GB710547 A GB 710547A GB 1912452 A GB1912452 A GB 1912452A GB 1912452 A GB1912452 A GB 1912452A GB 710547 A GB710547 A GB 710547A
Authority
GB
United Kingdom
Prior art keywords
line
current communication
power line
carrier current
maintaining
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.)
Expired
Application number
GB1912452A
Other languages
English (en)
Inventor
Bengt Grundmark
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.)
ABB Norden Holding AB
Original Assignee
ASEA AB
Allmanna Svenska Elektriska AB
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
Priority to BE513778D priority Critical patent/BE513778A/xx
Priority to DEA16257A priority patent/DE1058617B/de
Priority to CH319386D priority patent/CH319386A/de
Application filed by ASEA AB, Allmanna Svenska Elektriska AB filed Critical ASEA AB
Priority to GB1912452A priority patent/GB710547A/en
Priority to FR1062133D priority patent/FR1062133A/fr
Publication of GB710547A publication Critical patent/GB710547A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H04B3/56—Circuits for coupling, blocking, or by-passing of signals
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
    • H02H9/06—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage using spark-gap arresters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Emergency Protection Circuit Devices (AREA)
GB1912452A 1952-07-25 1952-07-29 A device for maintaining a carrier current communication on a power line which is simultaneously effectively earthed Expired GB710547A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
BE513778D BE513778A (fr) 1952-07-29
DEA16257A DE1058617B (de) 1952-07-25 1952-07-25 UEberspannungsschutzeinrichtung fuer eine Leitung, die ausser zur Kraftuebertragung auch zur UEbertragung einer Traegerfrequenz dient
CH319386D CH319386A (de) 1952-07-29 1952-07-28 Anordnung zum Aufrechterhalten einer Trägerfrequenzverbindung auf einer vorübergehend spannungsfrei gemachten Kraftleitung während gleichzeitiger Schutz-Erdung dieser Kraftleitung für auf ihr etwa entstehende Überspannungen
GB1912452A GB710547A (en) 1952-07-29 1952-07-29 A device for maintaining a carrier current communication on a power line which is simultaneously effectively earthed
FR1062133D FR1062133A (fr) 1952-07-29 1952-08-21 Appareil pour maintenir une liaison par courant porteur sur une ligne de force en me6me temps effectivement mise à la terre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1912452A GB710547A (en) 1952-07-29 1952-07-29 A device for maintaining a carrier current communication on a power line which is simultaneously effectively earthed

Publications (1)

Publication Number Publication Date
GB710547A true GB710547A (en) 1954-06-16

Family

ID=10124153

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1912452A Expired GB710547A (en) 1952-07-25 1952-07-29 A device for maintaining a carrier current communication on a power line which is simultaneously effectively earthed

Country Status (4)

Country Link
BE (1) BE513778A (fr)
CH (1) CH319386A (fr)
FR (1) FR1062133A (fr)
GB (1) GB710547A (fr)

Also Published As

Publication number Publication date
BE513778A (fr)
FR1062133A (fr) 1954-04-20
CH319386A (de) 1957-02-15

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