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Electromagnetic Compatibility Validation on Wide Band Gap Power Electronic Devices (Part 1)
Time:
Friday, 05/Sept/2025:
2:20pm - 3:50pm
Location:Room 105
75 seats, Tower 44, 1st floor
Session Abstract
As SiC and GaN devices are more commonly integrated in today’s electronics, in addition to following the design rules, there is also a higher demand for investigating EMC due to the presence of fast switching of such devices, on an inter and intra-system level.
This workshop will feature both theoretical presentations and practical live demonstrations, illustrating how, with the right tools (rather than costly accessories), one can quickly gain a deeper understanding of the DUT's characteristics and how to choose the appropriate components to ensure long-term EMC compliance.
In addition to the discussions there will be a demonstration to show how test automation can support and ease the measurement and qualification process of semiconductors. The time advantage of using time domain test equipment derived from the power electronics loss evaluation will also be highlighted. Effects of appropriate dynamic range, bandwidth estimation, how the probe interacts with the DUT, what the possible propagation paths are, and how can the resulting spectra be influenced by choosing for example a multi-level topology or modulation schemes on the switching frequency will be discussed.
This workshop will enable the participants to understand the cause and effects of design choices on EMI and how to select the most suitable measurement device and accessories to effectively analyze and qualify their power electronic devices and circuits through measurements.
Presentations
2:20pm - 3:05pm
EMC in Power Electronics – Part 1
Tom Hartman, Erjon Ballukja, Niek Moonen
University of Twente
Switch-mode power supplies (SMPS) are integral to modern power electronics, yet their high-frequency switching introduces significant electromagnetic interference (EMI) challenges. This presentation provides a comprehensive introduction of EMC in power electronics, focusing on key EMI sources, propagation mechanisms, and highlighting effective mitigation strategies essential for compliance in electrical systems. Basic operation of a buck and boost converter along with modulation techniques and the effects of EMI in multi-level power converters and how different modulation techniques will affect the generated noise will be discussed.
3:05pm - 3:50pm
EMC in Power Electronics – Part 2
Erjon Ballukja, Tom Hartman, Niek Moonen
University of Twente
Switch-mode power supplies (SMPS) are integral to modern power electronics, yet their high-frequency switching introduces significant electromagnetic interference (EMI) challenges. This presentation provides a comprehensive introduction of EMC in power electronics, focusing on key EMI sources, propagation mechanisms, and highlighting effective mitigation strategies essential for compliance in electrical systems. Basic operation of a buck and boost converter along with modulation techniques and the effects of EMI in multi-level power converters and how different modulation techniques will affect the generated noise will be discussed.
