Measurements of communication signal propagation on three phase power distribution lines

Suh, Ji-Eun; Hardy, M.E.; Ardalan, S.H.; O'Neal, J.; Shuey, K. C.; Gale, L. J.

doi:10.1109/61.85832

Cited by 10 publications

(6 citation statements)

References 7 publications

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“…Medium voltage power line [4][5][6][7][8][9][10] is the important transmission medium for PLC. The medium-voltage (MV) distribution network, located after the last step-down electrical substation with typical levels from 6 to 25 kV, directly feeds large consumers and small ones through several transform stations [4].…”

Section: Channel Characterization Of Medium Voltage Power Linesmentioning

confidence: 99%

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Review of Channel Characterization for Power Line Communications

Huang

Liu

2010

AMR

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The power line communication (PLC) channel has been a transmission medium that enables to transfer high-speed digital data through the classical electrical wires. Channel characteristics of power lines are very important for communications systems design. In order to get the suitable model for power line communications analysis and improve the PLC communication quality, researchers do lots of study about the PLC channel characterizations based on actual measurement and theoretical analysis. This paper reviews the conclusions of recent studies, summaries the characteristics of PLC channel for medium voltage power lines and low voltage power lines. The further research is also put forward.

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Section: Channel Characterization Of Medium Voltage Power Linesmentioning

confidence: 99%

“…The feasibility of power line communication (PLC) [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20] has received extensive attention in the last decade years. Compare to other communication methods, PLC do not require a separate wiring.…”

Section: Introductionmentioning

confidence: 99%

Review of Channel Characterization for Power Line Communications

Huang

Liu

2010

AMR

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“…(9) In (9), t 1ni , t 2ni , t 3ni and t 4ni are the four matrix components. The current density waves (J r i and J f i ) which are composed by the numerous harmonics also can be extrapolated, according to (1). Of course, the transmission matrix (9) can also be expressed in the form of the S-parameter matrix as…”

Section: Analytical Transmission Matrix and S-parameter Matrixmentioning

confidence: 99%

“…Usually, the transmission line has intrinsic power capacity and working band. From the geometric structures, the common-use transmission lines include the two-wire transmission line [1], coaxial transmission line [14,15], isolated parallel plates [16] and microstrip lines [17]. If the dispersion characteristics are considered [18], the transmission lines can be divided into two types such as the dispersive line [14] and the non-dispersive transmission line [15,16].…”

Section: Introductionmentioning

confidence: 99%

“…Transmission line is a device which can be employed to transport and propagate electromagnetic waves in different frequency bands, and it has important applications in power system [1,2], electromagnetic communication technology [3], signal measurement [4,5], pulse delay and transmission [6][7][8][9][10][11][12][13], and pulsed power technology [14][15][16]. Usually, the transmission line has intrinsic power capacity and working band.…”

Section: Introductionmentioning

confidence: 99%

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Dispersion and Dielectric Effects on Reflection and Transmission of Electromagnetic Waves Propagating in Multiple Stages of Tape-Helix Blumlein Transmission Lines

Liu¹

2013

PIER

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Abstract-Tape-helix transmission lines and helical coils have important applications in communication technology, signal measurement, pulse delay, pulse forming and antenna technology. In this paper, a set of fully dispersive propagation theory based on matrix method is firstly introduced to explain the propagation characteristics of travelling electromagnetic waves in multiple stages of helical Blumlein transmission lines with finite lengths. The different stages of helical transmission lines are filled with different propagation dielectrics, and the effects of dispersion and dielectrics on the propagation matrix and S-parameter matrix of the travelling waves are analyzed in detail. Relations of the exciting current waves in the series-connected helical Blumlein transmission lines are studied, and the dispersive transmission coefficients and reflection coefficients of electromagnetic waves at different dielectric ports are also initially analyzed. As an innovation, the proposed fully dispersive propagation theory which was demonstrated by simulation and experiments can substitute the non-propagating tape-helix dispersion theory and the non-dispersive telegraphers' equation to analyze the helical transmission lines.

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