ZA200703081B - Impedance monitoring system and method - Google Patents

Impedance monitoring system and method

Info

Publication number
ZA200703081B
ZA200703081B ZA200703081A ZA200703081A ZA200703081B ZA 200703081 B ZA200703081 B ZA 200703081B ZA 200703081 A ZA200703081 A ZA 200703081A ZA 200703081 A ZA200703081 A ZA 200703081A ZA 200703081 B ZA200703081 B ZA 200703081B
Authority
ZA
South Africa
Prior art keywords
port
ports
impedance
power received
monitoring
Prior art date
Application number
ZA200703081A
Other languages
English (en)
Inventor
De Villiers Wernich
Cloete Johannes Hendrik
Original Assignee
Univ Stellenbosch
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 Univ Stellenbosch filed Critical Univ Stellenbosch
Priority to ZA200703081A priority Critical patent/ZA200703081B/xx
Publication of ZA200703081B publication Critical patent/ZA200703081B/xx

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
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • 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
    • H04B2203/5495—Systems for power line communications having measurements and testing channel

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)
  • Measurement Of Resistance Or Impedance (AREA)
  • Alarm Systems (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Emergency Alarm Devices (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
ZA200703081A 2004-10-28 2007-04-16 Impedance monitoring system and method ZA200703081B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ZA200703081A ZA200703081B (en) 2004-10-28 2007-04-16 Impedance monitoring system and method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA200408736 2004-10-28
ZA200703081A ZA200703081B (en) 2004-10-28 2007-04-16 Impedance monitoring system and method

Publications (1)

Publication Number Publication Date
ZA200703081B true ZA200703081B (en) 2008-09-25

Family

ID=35445744

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200703081A ZA200703081B (en) 2004-10-28 2007-04-16 Impedance monitoring system and method

Country Status (10)

Country Link
US (1) US7791354B2 (fr)
EP (1) EP1805907B1 (fr)
CN (1) CN101048952A (fr)
AT (1) ATE531140T1 (fr)
AU (1) AU2005298307B2 (fr)
BR (1) BRPI0517254A (fr)
CA (1) CA2584613C (fr)
RU (1) RU2007119536A (fr)
WO (1) WO2006046215A1 (fr)
ZA (1) ZA200703081B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104184494B (zh) * 2014-08-29 2016-09-21 国家电网公司 一种宽带电力线载波信道接入阻抗的测试系统和方法
EP3133742B1 (fr) * 2015-08-21 2019-05-29 Itron Global SARL Détermination de l'impédance instantanée d'une ligne d'alimentation en courant alternatif utilisée en tant que ligne de transmission
CN105244587B (zh) * 2015-09-14 2016-06-29 国家电网公司 一种设有第二滤波器的电力系统检测通信系统
CN105244588B (zh) * 2015-09-14 2016-06-29 国家电网公司 一种设有第一滤波器的电力系统检测通信系统
CN105244586B (zh) * 2015-09-14 2016-06-29 国家电网公司 电力系统检测通信系统
TWI801878B (zh) * 2020-05-28 2023-05-11 台灣積體電路製造股份有限公司 阻抗測量裝置以及決定待測裝置的阻抗之系統和方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4506209A (en) * 1982-12-27 1985-03-19 Rockwell International Corporation Tracking impedance measuring system
US4704573A (en) * 1985-11-22 1987-11-03 Motorola, Inc. Impedance mismatch detector
JPH06318888A (ja) * 1993-05-07 1994-11-15 Takaoka Electric Mfg Co Ltd 配電線搬送信号のレベル測定方法
US5563558A (en) * 1995-07-21 1996-10-08 Endgate Corporation Reentrant power coupler
ZA200204105B (en) * 2001-03-19 2003-06-05 Univ Stellenbosch Ampacity and sag monitoring of overhead power transmission lines.
US6599759B2 (en) * 2001-05-02 2003-07-29 Taiwan Semiconductor Manufacturing Co., Ltd Method for detecting end point in plasma etching by impedance change
JP5067522B2 (ja) * 2005-04-08 2012-11-07 ソニー株式会社 二次電池用電解液および二次電池

Also Published As

Publication number Publication date
BRPI0517254A (pt) 2008-10-07
US20080048676A1 (en) 2008-02-28
AU2005298307A1 (en) 2006-05-04
RU2007119536A (ru) 2008-12-10
ATE531140T1 (de) 2011-11-15
US7791354B2 (en) 2010-09-07
CN101048952A (zh) 2007-10-03
EP1805907A1 (fr) 2007-07-11
WO2006046215A1 (fr) 2006-05-04
AU2005298307B2 (en) 2009-11-26
EP1805907B1 (fr) 2011-10-26
CA2584613A1 (fr) 2006-05-04
CA2584613C (fr) 2014-04-29

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