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98 Publications


2014 | Conference Paper | LibreCat-ID: 30329
Li R, Njiende H, Schafmeister F, Ide P. A Soft-Switching Interleaved DC-DC Converter with Integrated Magnetics for High Voltage Battery Charger. In: Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM). IEEE; 2014.
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2014 | Conference Paper | LibreCat-ID: 30328
Schafmeister F, Hufnagel M, Ide P. Resistorless Precharging of Boost PFCs by Phase Angle Control of Thyristors. In: Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM). IEEE; 2014.
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2013 | Conference Paper | LibreCat-ID: 30326
Figge H, Grote T, Fröhleke N, Böcker J, Schafmeister F. Two-Phase Interleaving Configuration of the LLC Resonant Converter - Analysis and Experimental Evaluation. In: Proc. IEEE Annual Industrial Electronics Society Conference (IECON). IEEE; 2013:1392-1397.
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2013 | Patent | LibreCat-ID: 30357
Njiende H, Li R, Schafmeister F, Ide P. Integrated Magnetic for DCM-PSFB Converter. Published online 2013.
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2013 | Patent | LibreCat-ID: 30356
Figge H, Schafmeister F. Resonant capacitor clamping circuit in resonant converter. Published online 2013.
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2012 | Conference Paper | LibreCat-ID: 30325
Figge H, Fröhleke N, Böcker J, Schafmeister F. Cost-Effective Implementation of a Digitally Controlled LLC Resonant Converter for Application in Server- and Telecom-PSUs. In: Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM). IEEE; 2012:1-8.
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2012 | Journal Article | LibreCat-ID: 30324
Schafmeister F, Kolar J. Novel Hybrid Modulation Schemes Significantly Extending the Reactive Power Control Range of All Matrix Converter Topologies With Low Computational Effort. IEEE Transactions on Power Electronics. 2012;59(1):194-210.
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2012 | Book Chapter | LibreCat-ID: 30343
Kolar J, Schafmeister F. Matrixkonverter, Kapitel 3.8. In: Schröder D, ed. Lehrbuch Leistungselektronische Schaltungen . 3rd ed. Springer Vieweg Verlag; 2012:195-296.
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2012 | Patent | LibreCat-ID: 30355
Schafmeister F, Grote T. Digital Slope Compensation for Current Mode Control. Published online 2012.
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2011 | Conference Paper | LibreCat-ID: 30323
Grote T, Figge H, Fröhleke N, Böcker J, Schafmeister F. Digital Control Strategy for Multi-Phase Interleaved Boundary Mode and DCM Boost PFC Converters. In: Proc. IEEE Energy Conversion Congress and Exposition (ECCE). IEEE; 2011:3186-3192.
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2011 | Conference Paper | LibreCat-ID: 30322
Figge H, Grote T, Fröhleke N, Böcker J, Schafmeister F. Overcurrent Protection for the LLC Resonant Converter with Improved Hold-Up Time. In: Proc. 26th IEEE Applied Power Electronics Conference (APEC). IEEE; 2011:13-20.
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2011 | Patent | LibreCat-ID: 30354
Schafmeister F, Kolar J. Unidirektionaler AC-AC-Matrixkonverter mit Dreipunkt Ein- und Ausgangsstufe. Published online 2011.
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2011 | Patent | LibreCat-ID: 30353
Schafmeister F, Kolar J. Verfahren zum spannungslosen Schalten der Pulswechselrichter-Ausgangsstufe eines indirekten Dreiphasen-AC-AC Matrixkonverters. Published online 2011.
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2010 | Conference Paper | LibreCat-ID: 30321
Schafmeister F, Wang X, Grote T, Ide P. Scalable Multi Phase Interleaved Boundary Mode PFC Concept enabling Energy- and Cost Efficient PSUs in the kW-Range. In: Proc. IEEE International Symposium on Industrial Electronics (ISIE). IEEE; 2010:3831-3835.
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2009 | Conference Paper | LibreCat-ID: 30319
Grote T, Figge Fh, Fröhleke N, et al. Semi-Digital Interleaved PFC Control with Optimized Light Load Efficiency. In: Proc. 24th IEEE Applied Power Electronics Conference (APEC). IEEE; 2009:1722-1727.
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2009 | Conference Paper | LibreCat-ID: 30320
Grote T, Schafmeister F, Figge H, Fröhleke N, Ide P, Böcker J. Adaptive Digital Slope Compensation for Peak Current Mode Control. In: Proc. IEEE Energy Conversion Congress and Exposition (ECCE). IEEE; 2009:3523-3529.
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2009 | Patent | LibreCat-ID: 30351
Schafmeister F, Kolar J. Verfahren zur Nutzung des ausgangsseitigen Blindstromes eines indirekten dreiphasen-Matrixkonverters zur Erzeugung von Eingangsblindstrom. Published online 2009.
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2009 | Conference Paper | LibreCat-ID: 30517
Grote T, Schafmeister F, Figge H, Fröhleke N, Ide P, Böcker J. Adaptive digital slope compensation for peak current mode control. In: 2009 IEEE Energy Conversion Congress and Exposition. IEEE; 2009. doi:10.1109/ecce.2009.5316380
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2008 | Conference Paper | LibreCat-ID: 30318
Figge H, Fröhleke N, Schafmeister F, Ide P. Paralleling of LLC Resonant Converters using Frequency Controlled Current Balancing. In: Proc. DPEC Seminar. Delta Electronics; 2008.
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2008 | Conference Paper | LibreCat-ID: 30317
Grote T, Fröhleke N, Schafmeister F, Ide P. Semi-Digital Interleaved PFC Control. In: Proc. DPEC Seminar. Delta Electronics; 2008.
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