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Modeling and Analysis of Common-Mode Current Propagation in Broadband Power-Line Communication Networks

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4 Author(s)
T. S. Pang ; Nanyang Technol. Univ., Singapore ; P. L. So ; K. Y. See ; A. Kamarul

This paper proposes a new approach to modeling the common-mode (CM) current propagation path of electrical power-line cables for broadband power-line communications (PLC). In this approach, a CM current propagation model for a three-wire power-line cable is developed using the multiconductor transmission-line theory. The model is used to study the electromagnetic-interference radiation mechanism from the PLC network in the frequency range of 1 to 30 MHz. The accuracy of the model is verified through numerical simulations and practical measurements conducted on the actual power-line network. The developed model allows us to predict the CM current in the power-line cable with reasonable accuracy.

Published in:

IEEE Transactions on Power Delivery  (Volume:23 ,  Issue: 1 )