Aggregated Conducted Electromagnetic Interference Generated by DC/DC Converters with Deterministic and Random Modulation

Hermes Loschi, Robert Smolenski, Piotr Lezynski, Douglas Nascimento and Galina Demidova
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Hermes Loschi: Institute of Automatic Control, Electronics and Electrical Engineering, the University of Zielona Gora, 65-417 Zielona Góra, Poland
Robert Smolenski: Institute of Automatic Control, Electronics and Electrical Engineering, the University of Zielona Gora, 65-417 Zielona Góra, Poland
Piotr Lezynski: Institute of Automatic Control, Electronics and Electrical Engineering, the University of Zielona Gora, 65-417 Zielona Góra, Poland
Douglas Nascimento: Institute of Automatic Control, Electronics and Electrical Engineering, the University of Zielona Gora, 65-417 Zielona Góra, Poland
Galina Demidova: Faculty of Control Systems and Robotics, ITMO University, 197101 Saint Petersburg, Russia

Energies, 2020, vol. 13, issue 14, 1-9

Abstract: The assessment of electromagnetic compatibility (EMC) is important for both technical and legal reasons. This manuscript addresses specific issues that should be taken into account for proper EMC assessment of energy systems that use power electronic interfaces. The standardized EMC measuring techniques have been used in a laboratory setup consisting in two identical DC/DC converters with deterministic and random modulations. Measuring difficulties caused by the low frequency envelopes, resulting from frequency beating accompanying aggregation of harmonic components of similar frequencies, were indicated as a phenomenon that might lead to significant problems during the EMC assessment using currently binding standards. The experimental results describing deterministic and random modulated converters might be useful for practitioners implementing power interfaces in microgrids and power systems as well as for researchers involved in EMC assurance of power systems consisting in multiple power electronic interfaces.

Keywords: conducted electromagnetic interference; electromagnetic compatibility; aggregated electromagnetic interference; power electronic interfaces; frequency beat (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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