2021 Power Magnetics @ High Frequency Workshop Presentations
Presentation Slides
Day 1 EMI Issues Caused and Solved By Magnetics (click to expand)
Session I
Day 1 EMI Issues Caused and Solved By Magnetics (click to expand)
Session I
May 12 Winding Techniques Part I
May 19 Winding Techniques Part II
June 2 Software Modelling Techniques
| Recording Part I | Recording Part II |
June 9 Measurements for Developing Models
June 16 Modelling Magnetic Materials
Presentation recordings (click to expand)
AC Core Loss
| Keynote: High Frequency Effects in the Core (Gerald Hurley, National University of Ireland, Galway) | Magnetics Core Dimensional Effects - Flux Propagation in Ferrites (Marcin Kacki, SMA Magnetics) | Panel Discussion (Hurley, Kacki) | |||
| Series-coupling Characterization of High-Leakage Magnetic Components (John Hayes, University College Cork) | Lumped Transmission Line Model for Displacement and Conductive Eddy Currents in Ferrite Cores (Charles Sullivan, Dartmouth) | Standardized Testing and Data Sheets (Seung Ryul Moon, National Energy Technology Laboratory) | |||
| Panel Discussion (Hurley, Hayes, Sullivan, Moon) |
Thermal Management of Power Magnetics
| Keynote: Recent Trends in Design and Techniques to Influence Thermal Performance of Magnetic Components (Peter Wilson, University of Bath) | Thermal Issues Associated with the Design of Solid State Transformers (Subhashish Bhattacharya, NCSU FREEDM) | Getting the Heat Out (George Slama, Wurth Elektronik) | ||
| Spice Modelling of the Transformer Losses and Thermal Based Verifications (Qichen Yang, Georgia Tech RISE) | Panel Discussion (Wilson, Bhattacharya, Slama, Yang) | Closing Remarks: What Is Right With Magnetics (Alexander Gerfer, Wurth Elektronik) |
Presentation slides (click to expand)
Technical Session - AC Core Loss
Technology Demonstrations Session
Technical Session - Thermal Management of Power Magnetics
Closing Remarks
Presentation recordings (click to expand)
We apologize for the poor sound quality on many of these recordings due to technical A/V problems at the workshop.
Core Losses
| Keynote Part I: Core Loss: What We Know and What We Don't Know (Charles Sullivan, Dartmouth) | Accuracy and Compensation Issues for AC Power Loss Measurements (Stefan Ehrlich, Fraunhofer Institute) | Magnetic Core Dimensional Effects - Flux Propagation in Ferrites (Marek Rylko, SMA Magnetics) | |||
| Generic Specification for Ferrite Cores (Ed Herbert, PSMA) | Multi-parameter Magnetic Material Characterization for High Power Medium Frequency Converters (Byron Beddingfield, NCSU) | What's Needed Going Forward (Ray Ridley, Ridley Engineering) | |||
| Panel Discussion (Sullivan, Ehrlich, Rylko, Herbert, Beddingfield, Ridley) |
Fringing
| Keynote Part II: Fringing Effects (Charles Sullivan, Dartmouth) | Mystery Losses in Multi Air Gap (MAG) Inductor & Quantification By Means Of Advanced Thermometry (Dominik Neumayr, ETH Zurich) | A simple analytical method to calcualte air gap induced eddy current losses in inductive components (Michael Baumann, Sumida) | ||
| Impact of Fringing Effects on Design of DC-DC Converters (Michael Seeman, Eta One Power) | Near Field Radiation of Storage Inductors in Power Electronics –Causes, Prevention & Suppression (George Slama, Wurth Elektronik) | Panel Q & A (Sullivan, Neumayr, Baumann, Malcolm, Seeman, Slama) |
Presentation slides (click to expand)
Technical Session - Core Loss
Technology Demonstrations Session
Magnetics
Capacitor
Technical Session - Fringing
Presentation recordings (click to expand)
Keynote Session
| Impact of Magnetics on Power Electronics Converter Performance – State of the Art and Future Prospects (Johann Kolar, ETH Zurich) | Smaller-Faster-Lower Cost—Magnetic Materials Meet Rigorous Demands in Today’s High Power Fast-Paced Design Landscape (Donna Kepcia, Magnetics) | Panel Q & A (Kolar, Kepcia) |
Special Issue Session - Measurement of AC Power Loss
| Opening Remarks (Ray Ridley, Ridley Engineering) | Survey of Different Test Methods (Charles Sullivan, Dartmouth) | Waveforms for Simulating Magnetic Cores (Bruce Carsten) | ||
| Challenges to Improving the Accuracy of High Frequency (120 MHz) Test Systems (Zoran Pavlovic, Tyndall) | Parameter Extraction (Data Crunching) (Ed Herbert, PSMA) | Industry Standardization (Chuck Wild, Dexter Magnetics) | ||
| Panel Q & A (Ridley, Sullivan, Carsten, Pavlovic, Herbert, Wild) |
Technology Issues Session
| Package and Integration Technology in Point-of-load Converters (Laili Wang, Xi'an Jiaotong University) | Developing Materials and Geometries for High Frequency Power Magnetics (John Lynch, Fair Rite) | Panel Q&A (Wang, Lynch) |
Special Issue Session - Spice Modelling of AC Power Loss
| Overview of Modelling Methods (Charles Sullivan, Darthmouth) | Spice Models For Conductor Losses (Ray Ridley, Ridley Engineering) | Spice Models for Core Losses (Ed Herbert, PSMA) | ||
| Panel Q & A (Sullivan, Ridley, Herbert) |
Presentation slides (click to expand)
Keynote Session
Special Issue Session - Measurement of AC Power Loss
Technology Demonstration Session
Technology Issues Session
Special Issue Session - Spice Modelling of AC Power Loss