Electromagnetic Interference of Spread-Spectrum Modulated Power Converters in G3-PLC Power Line Communication Systems

Waseem El Sayed, Paolo Crovetti, Niek Moonen, Piotr Lezynski, Robert Smolenski, Frank Leferink

Research output: Contribution to journalLetterAcademicpeer-review

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Abstract

The impact of spread-spectrum techniques used to mitigate EMI from power converters on Power Line Communication (PLC) systems is studied in this paper. A buck converter, utilizing a Random Carrier Frequency Modulation with Fixed Duty cycle (RCFMFD) based control is considered as a source of conducted EMI and a narrowband G3-PLC as the victim. It is shown that, although considered to be an EMI mitigating technique, the spread spectrum technique has a detrimental effect on the communication channel, which can be explained in the framework of Shannon’s information theory. Conventional emission evaluation methods are therefore incompatible with modern day’s technology.
Original languageEnglish
Pages (from-to)118-122
Number of pages5
JournalIEEE Letters on Electromagnetic Compatibility Practice and Applications
Volume3
Issue number4
DOIs
Publication statusPublished - Dec 2021

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