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98 Publications


2019 | Conference Paper | LibreCat-ID: 16442
Analytical Modeling and Design of an Active Clamp Forward Converter Applied as a Single-Stage On-Board DC-DC Converter for EVs
P. Rehlaender, T. Grote, F. Schafmeister, J. Böcker, in: PCIM Europe 2019, 2019.
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2019 | Conference Paper | LibreCat-ID: 29942
MMC-Topology for High-Current and Low-Voltage Applications with Minimal Number of Submodules, Reduced Switching and Capacitor Losses
R. Unruh, F. Schafmeister, N. Fröhleke, J. Böcker, in: PCIM Europe 2019; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, VDE, 2019.
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2019 | Conference Paper | LibreCat-ID: 30334
Computer-Aided Design and Optimization of an Integrated Transformer with Distributed Air Gap and Leakage Path for an LLC Resonant Converter
L. Keuck, F. Schafmeister, J. Böcker, in: Proc. 34th IEEE Applied Power Electronics Conference (APEC), IEEE, Anaheim, CA, USA, 2019, pp. 1415–1422.
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2019 | Conference Paper | LibreCat-ID: 30335
Computer-Aided Design and Optimization of an Integrated Transformer with Distributed Air Gap and Leakage Path for LLC Resonant Converter
L. Keuck, F. Schafmeister, J. Böcker, H. Jungwirth, M. Schmidhuber, in: Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM), IEEE, Nuremberg, Germany, 2019.
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2019 | Conference Paper | LibreCat-ID: 30337
Novel Current Measurement Concept for Half Bridge Topologies based on simple-to-implement Digital Current Observer
M.E. Ahmad, F. Schafmeister, J. Böcker, in: Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM), IEEE, Nuremberg, Germany, 2019.
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2019 | Conference Paper | LibreCat-ID: 30336
LCC Resonant Converter for Piezoelectric Transducers with Phase Shift Control
S. Bolte, F. Schafmeister, J. Böcker, in: Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM), IEEE, Nuremberg, Germany, 2019.
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2019 | Conference Paper | LibreCat-ID: 30338
Bidirectional Resonant Converter with Integrated Magnetics for On-Board Chargers
S. Bolte, F. Schafmeister, J. Böcker, in: Proc. IEEE International Symposium on Industrial Electronics (ISIE), IEEE, Vancouver, Canada, 2019, pp. 770–774.
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2019 | Conference Paper | LibreCat-ID: 30344
Interleaved Active Clamp Forward Converters as Single Stage On-Board DC-DC Converters for EVs – an Accurate Model and Design Considerations
P. Rehlaender, T. Grote, F. Schafmeister, J. Böcker, in: Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM), IEEE, Nuremberg, Germany, 2019.
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2019 | Conference Paper | LibreCat-ID: 30346
A PCB-Integrated Winding Using a Litz Structure for a Wireless Charging Coil
P. Rehlaender, T. Grote, S. Tikhonov, H. Njiende, F. Schafmeister, J. Böcker, P. Thiemann, in: Proc. 21st European Conference on Power Electronics and Applications (EPE-ECCE Europe), EPE, Genova, Italy, 2019, pp. 1–9.
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2019 | Conference Paper | LibreCat-ID: 30345
Analytical Topology Comparison for a Single-Stage On-Board EV-Battery Converter
P. Rehlaender, T. Grote, F. Schafmeister, J. Böcker, in: Proc. IEEE International Symposium on Industrial Electronics (ISIE), IEEE, Vancouver, Canada, 2019, pp. 2477–2482.
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2019 | Patent | LibreCat-ID: 30361
Current measurement circuit for TCM-PFC
R. Pohlmann, F. Schafmeister, (2019).
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2018 | Conference Paper | LibreCat-ID: 30331
Adaptive Frequency Control of DC-DC-Converters for Maximum Efficiency Using Artificial Neural Network
L. Keuck, A. Munir, F. Schafmeister, J. Böcker, in: Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM), IEEE, Nuremberg, Germany, 2018.
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2018 | Conference Paper | LibreCat-ID: 30332
Switching Loss Characterization of Wide Band-Gap Devices by an Indirect Identification Methodology
L. Keuck, N. Jabbar, F. Schafmeister, J. Böcker, in: Proc. 20th European Conference on Power Electronics and Applications (EPE-ECCE Europe), EPE, Riga, Latvia, 2018, pp. 1–10.
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2018 | Conference Paper | LibreCat-ID: 30333
Coupled Inductor Design for Interleaved High-Current DC-DC Converters
M. Hagemeyer, F. Schafmeister, J. Böcker, in: Proc. International Conference on Electrical Machines and Systems (ICEMS), Korea IEE & IEE Japan, Jeju, South-Korea, 2018, pp. 2316–2321.
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2017 | Patent | LibreCat-ID: 30358
LLC Balancing
H. Figge, F. Schafmeister, T. Grote, (2017).
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2017 | Patent | LibreCat-ID: 30363 LibreCat
 

2015 | Conference Paper | LibreCat-ID: 30330
Today's Relevance of Digital Control in Server- and Telecom Power Supplies
F. Schafmeister, T. Grote, H. Figge, in: Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM), IEEE, Nuremberg, Germany, 2015.
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2015 | Patent | LibreCat-ID: 30359
Adaptable AC Input Phase Switching
P. Ide, F. Schafmeister, J. Richter, B. Pour, D. Spesser, D. Herke, (2015).
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2015 | Patent | LibreCat-ID: 30360
Resistorless Precharging
M. Hufnagel, F. Schafmeister, (2015).
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2014 | Conference Paper | LibreCat-ID: 30327
Adaptable AC Input Phase Switching for Optimum Utilization of Various Grid Configurations supplying Power Electronic Converters and EV/HEV On Board Chargers
F. Schafmeister, P. Ide, J. Richter, in: Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM), IEEE, Nuremberg, Germany, 2014.
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