Investigating Power Line Termination Device Effectiveness in Regards to Radiated Emission Measurement Reproducibility in Consideration of Two Disturbance Sources and AC Mains Cable

Okuyama, Satoshi; Osabe, Kunihiro; Kuwabara, Nobuo; Amemiya, Fujio; Shimasaki, Toshiki; Muramatsu, Hidenori

doi:10.1109/emceurope48519.2020.9245734

Cited by 2 publications

(1 citation statement)

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“…zero mode conversion) are rare in practice. To overcome this limitation, unbalanced VHF-LISNs have been recently proposed [28], [40]. To account for possible mode conversion during the measurement it was shown that unbalanced VHF-LISNs can both control measurement uncertainty and give worst-case prediction of real-world emissions from a power line communication system [28].…”

Section: Mode Conversion Due To Terminal Networkmentioning

confidence: 99%

Review of Mode Conversion and Modal Analysis in Electromagnetic Compatibility

Illiano,

Wu,

Grassi

et al. 2024

IEEE Access

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Undesired conversion between common-mode (CM) and differential-mode (DM) noise often occurs in modern electronic and electrical systems, posing challenges in terms of Electromagnetic Compatibility (EMC). Modal analysis represents a crucial tool in EMC investigation and provides insight into the mechanism underlying mode conversion. By inspecting CM and DM behaviors and their interconversion, it allows for understanding of conducted emission propagation mechanisms, drives electromagnetic interference (EMI) filter design towards optimal/tailored solutions, and enables the possibility to identify the main contributors to the radiated emission phenomenon. This paper offers a comprehensive review of mathematical methodologies and modelling strategies for EMC-oriented modal analysis, with particular emphasis on mode conversion phenomena. To this end, modal decomposition techniques and standard parameters for quantifying mode conversion are summarized and compared. Additionally, the paper provides an overview and in-depth discussion of different scenarios and test cases in which mode conversion occurs, with the final goal to achieve a systematic comprehension of its root causes and consequences within power and communication systems. Eventually, a survey of circuit modelling approaches for mode conversion is presented, offering insights into addressing this phenomenon effectively.

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Section: Mode Conversion Due To Terminal Networkmentioning

confidence: 99%