JPS5237706A - Line coupling equipment for signal injection in used for zero-phase ci rcuit carrier of distribution line - Google Patents

Line coupling equipment for signal injection in used for zero-phase ci rcuit carrier of distribution line

Info

Publication number
JPS5237706A
JPS5237706A JP51090025A JP9002576A JPS5237706A JP S5237706 A JPS5237706 A JP S5237706A JP 51090025 A JP51090025 A JP 51090025A JP 9002576 A JP9002576 A JP 9002576A JP S5237706 A JPS5237706 A JP S5237706A
Authority
JP
Japan
Prior art keywords
zero
line
rcuit
phase
carrier
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
JP51090025A
Other languages
Japanese (ja)
Inventor
Shujiro Oguma
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.)
TOUHOKU DENRIYOKU KK
Tohoku Electric Power Co Inc
Original Assignee
TOUHOKU DENRIYOKU KK
Tohoku Electric Power Co Inc
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 TOUHOKU DENRIYOKU KK, Tohoku Electric Power Co Inc filed Critical TOUHOKU DENRIYOKU KK
Priority to JP51090025A priority Critical patent/JPS5237706A/en
Publication of JPS5237706A publication Critical patent/JPS5237706A/en
Pending 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5404—Methods of transmitting or receiving signals via power distribution lines
    • H04B2203/542—Methods of transmitting or receiving signals via power distribution lines using zero crossing information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5462—Systems for power line communications
    • H04B2203/5466—Systems for power line communications using three phases conductors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5462—Systems for power line communications
    • H04B2203/5483—Systems for power line communications using coupling circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

PURPOSE:To obtain a line coupling equipment, which can perform signal injection into zero-phase circuit efficiently and safely regardless of the form and line constant change of all kind of distribution systems.
JP51090025A 1976-07-28 1976-07-28 Line coupling equipment for signal injection in used for zero-phase ci rcuit carrier of distribution line Pending JPS5237706A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51090025A JPS5237706A (en) 1976-07-28 1976-07-28 Line coupling equipment for signal injection in used for zero-phase ci rcuit carrier of distribution line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51090025A JPS5237706A (en) 1976-07-28 1976-07-28 Line coupling equipment for signal injection in used for zero-phase ci rcuit carrier of distribution line

Publications (1)

Publication Number Publication Date
JPS5237706A true JPS5237706A (en) 1977-03-23

Family

ID=13987134

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51090025A Pending JPS5237706A (en) 1976-07-28 1976-07-28 Line coupling equipment for signal injection in used for zero-phase ci rcuit carrier of distribution line

Country Status (1)

Country Link
JP (1) JPS5237706A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4994183A (en) * 1972-10-17 1974-09-06
JPS5132088A (en) * 1974-09-12 1976-03-18 Asahi Optical Co Ltd

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4994183A (en) * 1972-10-17 1974-09-06
JPS5132088A (en) * 1974-09-12 1976-03-18 Asahi Optical Co Ltd

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