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100 Publications


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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2008 | Book Chapter | LibreCat-ID: 30316
Kolar J, Schafmeister F. Matrixkonverter, Kapitel 3.8. In: Schröder D, ed. Lehrbuch Leistungselektronische Schaltungen,. 2nd ed. Springer-Verlag; 2008:188-289.
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2007 | Patent | LibreCat-ID: 30352
Kolar J, Schafmeister F. Verfahren zur Minimierung der Schaltverluste eines quasi-direkten Dreiphasen-AC/AC-Pulsumrichters bei geringer Amplitude der Ausgangsspannungsgrundschwingung. Published online 2007.
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2007 | Journal Article | LibreCat-ID: 30314
Kolar J, Schafmeister F, Round S, Ertl H. Novel Three-Phase AC–AC Sparse Matrix Converters. IEEE Transactions on Power Electronics. 2007;22(5):1649-1661.
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2007 | Dissertation | LibreCat-ID: 30315
Schafmeister F. Indirekte Sparse Matrix Konverter. ETH Zürich; 2007.
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2006 | Journal Article | LibreCat-ID: 30313
Round S, Schafmeister F, Kolar J. Comparison of Performance and Realization Effort of a Very Sparse Matrix Converter to a Voltage DC Link PWM Inverter with Active Front End. IEEJ Transactions of the Institute of Electrical Engineers of Japan. 2006;126-D(5):578-588.
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2005 | Conference Paper | LibreCat-ID: 30312
Round S, Schafmeister F, Pereira E, Serpa L, Kolar J. Comparison of Performance and Realization Effort of a Very Sparse Matrix Converter to a Voltage DC Link PWM Inverter with Active Front End. In: Proc. 5th IEEJ International Power Electronics Conference (IPEC). IEEJapan; 2005.
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2005 | Conference Paper | LibreCat-ID: 30301
Schafmeister F, Rytz C, Kolar J. Analytical Calculation of the Conduction and Switching Losses of the Conventional Matrix Converter and the (Very) Sparse Matrix Converter. In: Proc. 20th IEEE Applied Power Electronics Conference (APEC). Vol 2. IEEE; 2005:875-881.
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2005 | Journal Article | LibreCat-ID: 30311
Ide P, Schafmeister F, Fröhleke N, Grotstollen H. Enhanced Control Scheme for Three-Phase, Three-Level Rectifiers at Partial Load. IEEE Transactions on Industrial Electronics. 2005;52(3):719-726.
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