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EMC in Power Electronics: Principles of EMI Generation, Aggregation and Mitigation for Electrical Systems and Electrical Transport (Part 2)
Time:
Monday, 01/Sept/2025:
4:20pm - 5:50pm
Location:Room 105
75 seats, Tower 44, 1st floor
Session Abstract
Power electronic systems are essential to modern energy conversion, enabling efficient regulation and distribution of electrical energy across various applications. As electrification and digitalization advance, power electronics play an increasingly crucial role but inherently generate electromagnetic interference (EMI), which can degrade performance and compromise reliability. Ensuring electromagnetic compatibility (EMC) is critical to maintaining functionality, safety, and regulatory compliance.
This tutorial explores EMC challenges in power electronics, covering EMI sources, propagation mechanisms, and mitigation strategies. It introduces an open research and teaching platform for DC-DC converters, demonstrating FPGA-based implementation for hands-on EMC design. Additionally, the session examines conducted emission aggregation in smart grids, modeling techniques for interference propagation, and statistical approaches such as Pearson’s Random Walk for predicting EMI behavior in multi-converter systems. Advanced EMI filtering solutions for evolving power applications, including aerospace motor drive systems, will also be discussed, with a focus on optimizing weight, efficiency, and compliance with industry standards.
Presentations
4:20pm - 4:50pm
Pearson Random Walk: A Statistical Model for Aggregated EMI in Multi-Converter Systems
Erjon Ballukja
University of Twente, Netherlands, The
This talk addresses EMI aggregation in multi-converter systems using Pearson's Random Walk. The method models common mode electromagnetic emissions where only the switch-on time of converters is controlled. The framework enables manufacturers and network operators to predict worst-case EMI in complex systems.
4:50pm - 5:20pm
Emerging Filters for Time-Varying Power Electronics Applications
Tom Hartman
University of Twente, Netherlands, The
Exploring Novel Tunable Filter Technologies for Dynamic and Time-Varying Power Electronic Applications
5:20pm - 5:50pm
Filter Design for High-Speed Motor Drive Systems in Aerospace
Patrick Koch
University of Twente, Netherlands, The
Addressing EMI challenges in high-speed aerospace motor drives, with tailored filter designs to meet weight, efficiency, and EMC requirements of the DO160/ED14.
