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The Influence of Spread-Spectrum Modulation on the G3-PLC Performance.

W. E. Sayed, H. Loschi, M. A. Wibisono, N. Moonerr, P. Lezynski and R. Smolenski, "The Influence of Spread-Spectrum Modulation on the G3-PLC Performance," 2021 Asia-Pacific International Symposium on Electromagnetic Compatibility (APEMC), 2021, pp. 1-4, doi: 10.1109/APEMC49932.2021.9597060.


The smart grid is a fertile ground for conducted Electromagnetic Interference (EMI) between the power and the communication circuits. This paper shows the detrimental effect of spreading the switching spectrum (Spread-Spectrum modulation) on the performance of G3-PLC, which is counterintuitive to be a mitigation technique. An experimental setup is built to emulate an in-situ coupling situation between both circuits. Finally, tests are performed with different operating scenarios, and the results are discussed in the Electromagnetic Compatibility (EMC) framework.

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