JPS6154294B2 - - Google Patents

Info

Publication number
JPS6154294B2
JPS6154294B2 JP54036943A JP3694379A JPS6154294B2 JP S6154294 B2 JPS6154294 B2 JP S6154294B2 JP 54036943 A JP54036943 A JP 54036943A JP 3694379 A JP3694379 A JP 3694379A JP S6154294 B2 JPS6154294 B2 JP S6154294B2
Authority
JP
Japan
Prior art keywords
signal
distribution line
line
signal transmission
zero
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
JP54036943A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55130243A (en
Inventor
Atsuhiro Yoshizaki
Hiroshi Haga
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.)
Hitachi Ltd
Original Assignee
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP3694379A priority Critical patent/JPS55130243A/ja
Publication of JPS55130243A publication Critical patent/JPS55130243A/ja
Publication of JPS6154294B2 publication Critical patent/JPS6154294B2/ja
Granted 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
    • H04B3/542—Systems for transmission via power distribution lines the information being in digital form
    • 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

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)
JP3694379A 1979-03-30 1979-03-30 Transmission system for distribution line signal Granted JPS55130243A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3694379A JPS55130243A (en) 1979-03-30 1979-03-30 Transmission system for distribution line signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3694379A JPS55130243A (en) 1979-03-30 1979-03-30 Transmission system for distribution line signal

Publications (2)

Publication Number Publication Date
JPS55130243A JPS55130243A (en) 1980-10-08
JPS6154294B2 true JPS6154294B2 (enrdf_load_stackoverflow) 1986-11-21

Family

ID=12483823

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3694379A Granted JPS55130243A (en) 1979-03-30 1979-03-30 Transmission system for distribution line signal

Country Status (1)

Country Link
JP (1) JPS55130243A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5851630A (ja) * 1981-09-24 1983-03-26 Hitachi Ltd 配電線伝送装置
JPH0624328B2 (ja) * 1983-04-06 1994-03-30 株式会社日立製作所 系統周波同期伝送方式
CN109870626B (zh) 2019-03-22 2020-11-06 北京集创北方科技股份有限公司 开路检测方法和led显示装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4978417A (enrdf_load_stackoverflow) * 1972-12-01 1974-07-29
JPS508040A (enrdf_load_stackoverflow) * 1973-05-24 1975-01-28
JPS5314441B2 (enrdf_load_stackoverflow) * 1974-05-17 1978-05-17

Also Published As

Publication number Publication date
JPS55130243A (en) 1980-10-08

Similar Documents

Publication Publication Date Title
Beheshtaein et al. Review on microgrids protection
US9614364B2 (en) Detection system and detection method of distributed generation islanding based on power frequency carrier
CN108493821A (zh) 一种采用电子式传感器的配电网柱上自动化开关
CN110544580A (zh) 海上风电场升压站主变压器和升压系统
CN204154872U (zh) 一种检测火电机组辅机系统低电压穿越能力的装置
JPS6154294B2 (enrdf_load_stackoverflow)
CN209841950U (zh) 一种深度融合电流传感器
CN201956675U (zh) 基于工频载波的分布式发电孤岛检测系统
Bhoyar et al. Review on implementation of power line carrier communication technique in smart grid
CN215733486U (zh) 一种适用于海上换流站接入的主变高压侧断路器控制系统
CN210780123U (zh) 一种风电升压站电气设备全集中监控保护装置
US5943202A (en) Two way packet radio including smart data buffer and packet rate conversion
KR101161157B1 (ko) 변전소 리액터 접속단자 과열 경보 시스템
CN104749411A (zh) 一种改进载波功能的电容式电压互感器
CN202333759U (zh) 发电机智能剩余电流保护器
CN201204441Y (zh) 一种电力设备继电保护装置
CN203135434U (zh) 中性点虚拟接地装置
CN108630418B (zh) 一种基于空芯线圈的双通道互校验电子式电流互感器
JPS6251062B2 (enrdf_load_stackoverflow)
CN207818459U (zh) 一种10kV柱上断路器
CN207200379U (zh) 一种独立双路交流配电设备
CA1258095A (en) Apparatus for measuring and calculating fourier components of a power line parameter
Udren et al. Overview of IEEE C37. 92-2005 standard for analog inputs to protective relays from electronic voltage and current transducers
CN2111534U (zh) 单相接地选线装置
de Grijp et al. Electromagnetic compatibility in open air substations