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Power Magnetics @ High Frequency 2019 Workshop Presentations
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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

 

Power Magnetics @ High Frequency - Eliminating the Smoke and Mirrors Presentations

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Power Magnetics @ High Frequency - Eliminating the Smoke and Mirrors 2018 Workshop
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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

 

Power Magnetics @ High Frequency – Transforming the Black Magic to Engineering 2017 Workshop

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Power Magnetics @ High Frequency – Transforming the Black Magic to Engineering 2017 Workshop
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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

 

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