Frank Schafmeister

Leistungselektronik und Elektrische Antriebstechnik (LEA)
schafmeister@lea.uni-paderborn.de
ID
71291

92 Publications

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[92]
2023 | Conference Paper | LibreCat-ID: 48352
@inproceedings{Unruh_Böcker_Schafmeister_2023, title={An Optimized Third-Harmonic Injection Reduces DC-Link Voltage Ripple in Cascaded H-Bridge Converters up to 50% for all Power Factors}, DOI={10.23919/epe23ecceeurope58414.2023.10264313}, booktitle={2023 25th European Conference on Power Electronics and Applications (EPE’23 ECCE Europe)}, publisher={IEEE}, author={Unruh, Roland and Böcker, Joachim and Schafmeister, Frank}, year={2023} }
LibreCat | DOI | Download (ext.)
 
[91]
2022 | Conference Abstract | LibreCat-ID: 30347
@inproceedings{Schafmeister, place={Bamberg, Germany}, title={Compensation of LF Common-Mode Noise by the internal DC/DC-Stage for transformerless On-Board Chargers at Three- and Single-Phase Operation}, booktitle={International Conference on Electric & Electronic in Hybrid and Electric Vehicles and Electric Energy Management (EEHE),}, author={Schafmeister, Frank} }
LibreCat
 
[90]
2022 | Conference Paper | LibreCat-ID: 30349
@inproceedings{Förster_Rehlaender_Wallscheid_Schafmeister_Böcker, place={Houston, TX, USA}, title={An Open-Source Transistor Database and Toolbox as an Unified Software Engineering Tool for Managing and Evaluating Power Transistors}, booktitle={Proc. 37th IEEE Applied Power Electronics Conference (APEC)}, publisher={IEEE}, author={Förster, Nikolas and Rehlaender, Philipp and Wallscheid, Oliver and Schafmeister, Frank and Böcker, Joachim} }
LibreCat
 
[89]
2022 | Conference Paper | LibreCat-ID: 30350
@inproceedings{Keuck_Schafmeister_Böcker, place={Nuremberg, Germany}, title={Robust Hysteresis Control for LLC Resonant Converters Using a Fully Isolated Measurement Scheme}, booktitle={Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM)}, publisher={IEEE}, author={Keuck, Lukas and Schafmeister, Frank and Böcker, Joachim} }
LibreCat
 
[88]
2022 | Conference Paper | LibreCat-ID: 30844
@inproceedings{Huber_Wallmeier_Pieper_Schafmeister_Kolar, place={Himeji, Japan}, title={Comparative Evaluation of MVAC-LVDC SST and Hybrid Transformer Concepts for Future Datacenters}, booktitle={Proc. 9th IEEJ International Power Electronics Conference (IPEC)}, publisher={IEE Japan}, author={Huber, Jonas and Wallmeier, Peter and Pieper, Ralf and Schafmeister, Frank and Kolar, Johann} }
LibreCat
 
[87]
2022 | Conference Paper | LibreCat-ID: 35125
@inproceedings{Förster_Rehlaender_Wallscheid_Schafmeister_Böcker_2022, title={An Open-Source Transistor Database and Toolbox as a Unified Software Engineering Tool for Managing and Evaluating Power Transistors}, DOI={10.1109/apec43599.2022.9773701}, booktitle={2022 IEEE Applied Power Electronics Conference and Exposition (APEC)}, publisher={IEEE}, author={Förster, Nikolas and Rehlaender, Philipp and Wallscheid, Oliver and Schafmeister, Frank and Böcker, Joachim}, year={2022} }
LibreCat | DOI
 
[86]
2022 | Conference Paper | LibreCat-ID: 35127
@inproceedings{Förster_Piepenbrock_Rehlaender_Wallscheid_Schafmeister_Böcker_2022, title={An Open-Source FEM Magnetics Toolbox for Power Electronic Magnetic Components}, DOI={10.30420/565822103}, booktitle={PCIM Europe 2022; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management}, author={Förster, Nikolas and Piepenbrock, Till and Rehlaender, Philipp and Wallscheid, Oliver and Schafmeister, Frank and Böcker, Joachim}, year={2022}, pages={1–10} }
LibreCat | DOI
 
[85]
2022 | Journal Article | LibreCat-ID: 44163
@article{Rehlaender_Wallscheid_Schafmeister_Böcker_2022, title={LLC Resonant Converter Modulations for Reduced Junction Temperatures in Half-Bridge Mode and Transformer Flux in the On-the-Fly Morphing Thereto}, volume={37}, DOI={10.1109/tpel.2022.3180758}, number={11}, journal={IEEE Transactions on Power Electronics}, publisher={Institute of Electrical and Electronics Engineers (IEEE)}, author={Rehlaender, Philipp and Wallscheid, Oliver and Schafmeister, Frank and Böcker, Joachim}, year={2022}, pages={13413–13427} }
LibreCat | DOI
 
[84]
2022 | Conference Paper | LibreCat-ID: 44164
@inproceedings{Rehlaender_Korthauer_Schafmeister_Böcker_2022, title={Experimental Demonstration of a 2.2kW Active-Clamp Converter for High-Current Wide-Voltage-Transfer Ratio Applications}, booktitle={2022 24th European Conference on Power Electronics and Applications (EPE’22 ECCE Europe)}, author={Rehlaender, Philipp and Korthauer, Bastian and Schafmeister, Frank and Böcker, Joachim}, year={2022}, pages={P.1-P.11} }
LibreCat
 
[83]
2022 | Conference Paper | LibreCat-ID: 44161
@inproceedings{Rehlaender_Schafmeister_Böcker_2022, title={Phase-Shift Modulation for Flying-Capacitor DC-DC Converters}, booktitle={2022 24th European Conference on Power Electronics and Applications (EPE’22 ECCE Europe)}, author={Rehlaender, Philipp and Schafmeister, Frank and Böcker, Joachim}, year={2022}, pages={1–9} }
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[82]
2022 | Conference Paper | LibreCat-ID: 34176
@inproceedings{Unruh_Schafmeister_Böcker_2022, title={Zero-Sequence Voltage Reduces DC-Link Capacitor Demand in Cascaded H-Bridge Converters for Large-Scale Electrolyzers by 40%}, booktitle={24th European Conference on Power Electronics and Applications (EPE’22 ECCE Europe)}, publisher={IEEE}, author={Unruh, Roland and Schafmeister, Frank and Böcker, Joachim}, year={2022} }
LibreCat | Download (ext.)
 
[81]
2022 | Conference Paper | LibreCat-ID: 35126
@inproceedings{Förster_Hölscher_Piepenbrock_Rehlaender_Wallscheid_Schafmeister_Böcker_2022, title={An Open-Source FEM Magnetic Toolbox for Calculating Electric and Thermal Behavior of Power Electronic Magnetic Components}, booktitle={2022 24th European Conference on Power Electronics and Applications (EPE’22 ECCE Europe)}, author={Förster, Nikolas and Hölscher, Jonas and Piepenbrock, Till and Rehlaender, Philipp and Wallscheid, Oliver and Schafmeister, Frank and Böcker, Joachim}, year={2022}, pages={P.1-P.9} }
LibreCat
 
[80]
2021 | Conference Paper | LibreCat-ID: 29849
@inproceedings{Strothmann_Schafmeister_Böcker_2021, title={Common-Mode-Free Bidirectional Three-Phase PFC-Rectifier for Non-Isolated EV Charger}, DOI={10.1109/apec42165.2021.9487462}, booktitle={2021 IEEE Applied Power Electronics Conference and Exposition (APEC)}, publisher={IEEE}, author={Strothmann, Benjamin and Schafmeister, Frank and Böcker, Joachim}, year={2021} }
LibreCat | DOI
 
[79]
2021 | Journal Article | LibreCat-ID: 29892
@article{Rehlaender_Schafmeister_Böcker_2021, title={Interleaved Single-Stage LLC Converter Design Utilizing Half- and Full-Bridge Configurations for Wide Voltage Transfer Ratio Applications}, volume={36}, DOI={10.1109/tpel.2021.3067843}, number={9}, journal={IEEE Transactions on Power Electronics}, publisher={Institute of Electrical and Electronics Engineers (IEEE)}, author={Rehlaender, Philipp and Schafmeister, Frank and Böcker, Joachim}, year={2021}, pages={10065–10080} }
LibreCat | DOI
 
[78]
2021 | Conference Paper | LibreCat-ID: 29895
@inproceedings{Korthauer_Rehlaender_Schafmeister_Böcker_2021, title={Design and Analysis of a Regenerative Snubber for a 2.2 kW Active-Clamp Forward Converter with Low-Voltage Output}, DOI={10.1109/apec42165.2021.9487130}, booktitle={2021 IEEE Applied Power Electronics Conference and Exposition (APEC)}, publisher={IEEE}, author={Korthauer, Bastian and Rehlaender, Philipp and Schafmeister, Frank and Böcker, Joachim}, year={2021} }
LibreCat | DOI
 
[77]
2021 | Conference Paper | LibreCat-ID: 29850
@inproceedings{Strothmann_Book_Schafmeister_Böcker_2021, title={Single-Phase Operation of Common-Mode-Free Bidirectional Three-Phase PFC-Rectifier for Non-Isolated EV Charger with Minimized DC-Link}, booktitle={PCIM Europe digital days 2021; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management}, author={Strothmann, Benjamin and Book, Gerrit and Schafmeister, Frank and Böcker, Joachim}, year={2021}, pages={1–8} }
LibreCat | Download (ext.)
 
[76]
2021 | Conference Paper | LibreCat-ID: 29871
@inproceedings{Urbaneck_Rehlaender_Böcker_Schafmeister_2021, title={LLC Converter in Capacitive Operation Utilizing ZCS for IGBTs – Theory, Concept and Verification of a 2 kW DC-DC Converter for EVs}, booktitle={2021 IEEE Applied Power Electronics Conference and Exposition (APEC)}, author={Urbaneck, Daniel and Rehlaender, Philipp and Böcker, Joachim and Schafmeister, Frank}, year={2021} }
LibreCat | Download (ext.)
 
[75]
2021 | Conference Paper | LibreCat-ID: 30340
@inproceedings{Hagemeyer_Wallmeier_Schafmeister_Böcker_2021, place={Phoenix, AZ, USA}, title={Comparison of unidirectional Three- and Four-Wire based Boost PFC-Rectifier Topologies for Non-Isolated Three-Phase EV On-Board Chargers under Common-Mode Aspects}, booktitle={Proc. 36th IEEE Applied Power Electronics Conference (APEC)}, publisher={IEEE}, author={Hagemeyer, Marc and Wallmeier, Peter and Schafmeister, Frank and Böcker, Joachim}, year={2021}, pages={569–576} }
LibreCat
 
[74]
2021 | Newspaper Article | LibreCat-ID: 30348
@article{Schafmeister_2021, title={Transformerless On-Board Chargers at Three- and Single-Phase Operation: Compensation of LF Common-Mode Noise by the Internal DC/DC-Stage}, journal={Power System Design (PSD) Web Magazine}, author={Schafmeister, Frank}, year={2021} }
LibreCat
 
[73]
2021 | Conference Paper | LibreCat-ID: 29938
@inproceedings{Unruh_Lange_Schafmeister_Böcker_2021, title={Adaptive Zero-Sequence Voltage Injection for Modular Solid-State Transformer to Compensate for Asymmetrical Fault Conditions}, DOI={https://doi.org/10.23919/EPE21ECCEEurope50061.2021.9570542}, booktitle={23rd European Conference on Power Electronics and Applications (EPE’21 ECCE Europe)}, publisher={IEEE}, author={Unruh, Roland and Lange, Jarren and Schafmeister, Frank and Böcker, Joachim}, year={2021} }
LibreCat | DOI | Download (ext.)
 
[72]
2021 | Conference Paper | LibreCat-ID: 29899
@inproceedings{Rehlaender_Unruh_Hankeln_Schafmeister_Böcker_2021, title={Frequency-Doubler Modulation for Reduced Junction Temperatures for LLC Resonant Converters Operated in Half-Bridge Configuration}, DOI={10.23919/EPE21ECCEEurope50061.2021.9570674}, booktitle={23rd European Conference on Power Electronics and Applications (EPE’21 ECCE Europe)}, publisher={IEEE}, author={Rehlaender, Philipp and Unruh, Roland and Hankeln, Lars and Schafmeister, Frank and Böcker, Joachim}, year={2021} }
LibreCat | DOI | Download (ext.)
 
[71]
2021 | Conference Paper | LibreCat-ID: 29893
@inproceedings{Rehlaender_Unruh_Schafmeister_Böcker_2021, title={Alternating Asymmetrical Phase-Shift Modulation for Full-Bridge Converters with Balanced Switching Losses to Reduce Thermal Imbalances}, DOI={10.1109/apec42165.2021.9487104}, booktitle={2021 IEEE Applied Power Electronics Conference and Exposition (APEC)}, publisher={IEEE}, author={Rehlaender, Philipp and Unruh, Roland and Schafmeister, Frank and Böcker, Joachim}, year={2021} }
LibreCat | DOI | Download (ext.)
 
[70]
2020 | Conference Paper | LibreCat-ID: 29939
@inproceedings{Unruh_Schafmeister_Böcker_2020, title={Evaluation of MMCs for High-Power Low-Voltage DC-Applications in Combination with the Module LLC-Design}, DOI={10.23919/epe20ecceeurope43536.2020.9215687}, booktitle={2020 22nd European Conference on Power Electronics and Applications (EPE’20 ECCE Europe)}, publisher={IEEE}, author={Unruh, Roland and Schafmeister, Frank and Böcker, Joachim}, year={2020} }
LibreCat | DOI | Download (ext.)
 
[69]
2020 | Conference Paper | LibreCat-ID: 29894
@inproceedings{Rehlaender_Tikhonov_Schafmeister_Böcker_2020, title={Dual Interleaved 3.6 kW LLC Converter Operating in Half-Bridge, Full-Bridge and Phase-Shift Mode as a Single-Stage Architecture of an Automotive On-Board DC-DC Converter}, DOI={10.23919/epe20ecceeurope43536.2020.9215736}, booktitle={2020 22nd European Conference on Power Electronics and Applications (EPE’20 ECCE Europe)}, publisher={IEEE}, author={Rehlaender, Philipp and Tikhonov, Sergey and Schafmeister, Frank and Böcker, Joachim}, year={2020} }
LibreCat | DOI
 
[68]
2020 | Conference Paper | LibreCat-ID: 29896
@inproceedings{Rehlaender_Grote_Tikhonov_Mario_Schafmeister_Böcker_2020, title={A 3,6 kW Single-Stage LLC Converter Operating in Half-Bridge, Full-Bridge and Phase-Shift Mode for Automotive Onboard DC-DC Conversion}, booktitle={PCIM Europe digital days 2020}, author={Rehlaender, Philipp and Grote, Tobias and Tikhonov, Sergey and Mario, Schröder and Schafmeister, Frank and Böcker, Joachim}, year={2020} }
LibreCat | Download (ext.)
 
[67]
2020 | Conference Paper | LibreCat-ID: 29898
@inproceedings{Rüschenbaum_Rehlaender_Ha_Grote_Schafmeister_Böcker_2020, title={Two-Stage Automotive DC-DC Converter Design with Wide Voltage-Transfer Range Utilizing Asymmetric LLC Operation}, booktitle={PCIM Europe digital days 2020}, author={Rüschenbaum, Tobias and Rehlaender, Philipp and Ha, Phuong and Grote, Tobias and Schafmeister, Frank and Böcker, Joachim}, year={2020} }
LibreCat | Download (ext.)
 
[66]
2020 | Conference Paper | LibreCat-ID: 29874
@inproceedings{Urbaneck_Rehlaender_Schafmeister_Böcker_2020, title={LLC Converter Design in Capacitive Operation utilizes ZCS for IGBTs – a Concept Study for a 2.2 kW Automotive DC-DC Stage}, booktitle={PCIM Europe digital days 2020}, author={Urbaneck, Daniel and Rehlaender, Philipp and Schafmeister, Frank and Böcker, Joachim}, year={2020} }
LibreCat | Download (ext.)
 
[65]
2020 | Conference Paper | LibreCat-ID: 30339
@inproceedings{Ahmmad_Schafmeister_Böcker_2020, place={Nuremberg, Germany}, title={Practical Implementation and Verification of Simple-to-Implement Digital Current Observer for Half-Bridge Topologies}, booktitle={Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM digital days)}, publisher={IEEE}, author={Ahmmad, Mohsin Ejaz and Schafmeister, Frank and Böcker, Joachim}, year={2020} }
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[64]
2020 | Patent | LibreCat-ID: 30362
@article{Schafmeister_2020, title={Apparatus and method for charging an electric battery vehicle}, author={Schafmeister, Frank}, year={2020} }
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[63]
2020 | Conference Paper | LibreCat-ID: 29880
@inproceedings{Unruh_Schafmeister_Böcker_2020, title={11kW, 70kHz LLC Converter Design with Adaptive Input Voltage for 98% Efficiency in an MMC}, DOI={10.1109/compel49091.2020.9265771}, booktitle={2020 IEEE 21st Workshop on Control and Modeling for Power Electronics (COMPEL)}, publisher={IEEE}, author={Unruh, Roland and Schafmeister, Frank and Böcker, Joachim}, year={2020} }
LibreCat | DOI | Download (ext.)
 
[62]
2020 | Conference Paper | LibreCat-ID: 29940
@inproceedings{Unruh_Schafmeister_Fröhleke_Böcker_2020, title={1-MW Full-Bridge MMC for High-Current Low-Voltage (100V-400V) DC-Applications}, booktitle={PCIM Europe digital days 2020; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management}, publisher={VDE}, author={Unruh, Roland and Schafmeister, Frank and Fröhleke, Norbert and Böcker, Joachim}, year={2020} }
LibreCat | Download (ext.)
 
[61]
2020 | Conference Paper | LibreCat-ID: 30001
@inproceedings{Strothmann_Piepenbrock_Schafmeister_Böcker_2020, title={Heat dissipation strategies for silicon carbide power SMDs and their use in different applications}, booktitle={PCIM Europe digital days 2020; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management}, author={Strothmann, Benjamin and Piepenbrock, Till and Schafmeister, Frank and Böcker, Joachim}, year={2020}, pages={1–7} }
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[60]
2019 | Conference Paper | LibreCat-ID: 29999
@inproceedings{Strothmann_Schafmeister_Böcker_2019, title={Common Mode Analysis of Non-Isolated Three-Phase EV-Charger for Bi-Directional Vehicle-to-Grid Operation}, booktitle={PCIM Europe 2019; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management}, author={Strothmann, Benjamin and Schafmeister, Frank and Böcker, Joachim}, year={2019}, pages={1–7} }
LibreCat | Download (ext.)
 
[59]
2019 | Conference Paper | LibreCat-ID: 30002
@inproceedings{Strothmann_Schafmeister_Böcker_2019, title={Pareto Design and Switching Frequencies for SiC MOSFETs Applied in an 11 kW Buck Converter for EV-Charging}, DOI={10.1109/apec.2019.8721850}, booktitle={2019 IEEE Applied Power Electronics Conference and Exposition (APEC)}, publisher={IEEE}, author={Strothmann, Benjamin and Schafmeister, Frank and Böcker, Joachim}, year={2019} }
LibreCat | DOI
 
[58]
2019 | Conference Paper | LibreCat-ID: 16442
@inproceedings{Rehlaender_Grote_Schafmeister_Böcker_2019, title={Analytical Modeling and Design of an Active Clamp Forward Converter Applied as a Single-Stage On-Board DC-DC Converter for EVs}, booktitle={PCIM Europe 2019}, author={Rehlaender, Philipp and Grote, Tobias and Schafmeister, Frank and Böcker, Joachim}, year={2019} }
LibreCat | Download (ext.)
 
[57]
2019 | Conference Paper | LibreCat-ID: 29942
@inproceedings{Unruh_Schafmeister_Fröhleke_Böcker_2019, title={MMC-Topology for High-Current and Low-Voltage Applications with Minimal Number of Submodules, Reduced Switching and Capacitor Losses}, booktitle={PCIM Europe 2019; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management}, publisher={VDE}, author={Unruh, Roland and Schafmeister, Frank and Fröhleke, Norbert and Böcker, Joachim}, year={2019} }
LibreCat | Download (ext.)
 
[56]
2019 | Conference Paper | LibreCat-ID: 30334
@inproceedings{Keuck_Schafmeister_Böcker_2019, place={Anaheim, CA, USA}, title={Computer-Aided Design and Optimization of an Integrated Transformer with Distributed Air Gap and Leakage Path for an LLC Resonant Converter}, booktitle={Proc. 34th IEEE Applied Power Electronics Conference (APEC)}, publisher={IEEE}, author={Keuck, Lukas and Schafmeister, Frank and Böcker, Joachim}, year={2019}, pages={1415–1422} }
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[55]
2019 | Conference Paper | LibreCat-ID: 30335
@inproceedings{Keuck_Schafmeister_Böcker_Jungwirth_Schmidhuber_2019, place={Nuremberg, Germany}, title={Computer-Aided Design and Optimization of an Integrated Transformer with Distributed Air Gap and Leakage Path for LLC Resonant Converter}, booktitle={Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM)}, publisher={IEEE}, author={Keuck, Lukas and Schafmeister, Frank and Böcker, Joachim and Jungwirth, Herbert and Schmidhuber, Michael}, year={2019} }
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[54]
2019 | Conference Paper | LibreCat-ID: 30337
@inproceedings{Ahmad_Schafmeister_Böcker_2019, place={Nuremberg, Germany}, title={Novel Current Measurement Concept for Half Bridge Topologies based on simple-to-implement Digital Current Observer}, booktitle={Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM)}, publisher={IEEE}, author={Ahmad, Mohsin Ejaz and Schafmeister, Frank and Böcker, Joachim}, year={2019} }
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[53]
2019 | Conference Paper | LibreCat-ID: 30336
@inproceedings{Bolte_Schafmeister_Böcker_2019, place={Nuremberg, Germany}, title={LCC Resonant Converter for Piezoelectric Transducers with Phase Shift Control}, booktitle={Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM)}, publisher={IEEE}, author={Bolte, Sven and Schafmeister, Frank and Böcker, Joachim}, year={2019} }
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[52]
2019 | Conference Paper | LibreCat-ID: 30338
@inproceedings{Bolte_Schafmeister_Böcker_2019, place={Vancouver, Canada}, title={Bidirectional Resonant Converter with Integrated Magnetics for On-Board Chargers}, booktitle={Proc. IEEE International Symposium on Industrial Electronics (ISIE)}, publisher={IEEE}, author={Bolte, Sven and Schafmeister, Frank and Böcker, Joachim}, year={2019}, pages={770–774} }
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[51]
2019 | Conference Paper | LibreCat-ID: 30344
@inproceedings{Rehlaender_Grote_Schafmeister_Böcker_2019, place={Nuremberg, Germany}, title={Interleaved Active Clamp Forward Converters as Single Stage On-Board DC-DC Converters for EVs – an Accurate Model and Design Considerations}, booktitle={Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM)}, publisher={IEEE}, author={Rehlaender, Philipp and Grote, Tobias and Schafmeister, Frank and Böcker, Joachim}, year={2019} }
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[50]
2019 | Conference Paper | LibreCat-ID: 30346
@inproceedings{Rehlaender_Grote_Tikhonov_Njiende_Schafmeister_Böcker_Thiemann_2019, place={Genova, Italy}, title={A PCB-Integrated Winding Using a Litz Structure for a Wireless Charging Coil}, booktitle={Proc. 21st European Conference on Power Electronics and Applications (EPE-ECCE Europe)}, publisher={EPE}, author={Rehlaender, Philipp and Grote, Tobias and Tikhonov, Sergey and Njiende, Hugues and Schafmeister, Frank and Böcker, Joachim and Thiemann, Peter}, year={2019}, pages={1–9} }
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[49]
2019 | Conference Paper | LibreCat-ID: 30345
@inproceedings{Rehlaender_Grote_Schafmeister_Böcker_2019, place={Vancouver, Canada}, title={Analytical Topology Comparison for a Single-Stage On-Board EV-Battery Converter}, booktitle={Proc. IEEE International Symposium on Industrial Electronics (ISIE)}, publisher={IEEE}, author={Rehlaender, Philipp and Grote, Tobias and Schafmeister, Frank and Böcker, Joachim}, year={2019}, pages={2477–2482} }
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[48]
2019 | Patent | LibreCat-ID: 30361
@article{Pohlmann_Schafmeister_2019, title={Current measurement circuit for TCM-PFC}, author={Pohlmann, Robert and Schafmeister, Frank}, year={2019} }
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[47]
2018 | Conference Paper | LibreCat-ID: 30331
@inproceedings{Keuck_Munir_Schafmeister_Böcker_2018, place={Nuremberg, Germany}, title={Adaptive Frequency Control of DC-DC-Converters for Maximum Efficiency Using Artificial Neural Network}, booktitle={Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM)}, publisher={IEEE}, author={Keuck, Lukas and Munir, A and Schafmeister, Frank and Böcker, Joachim}, year={2018} }
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[46]
2018 | Conference Paper | LibreCat-ID: 30332
@inproceedings{Keuck_Jabbar_Schafmeister_Böcker_2018, place={Riga, Latvia}, title={Switching Loss Characterization of Wide Band-Gap Devices by an Indirect Identification Methodology}, booktitle={Proc. 20th European Conference on Power Electronics and Applications (EPE-ECCE Europe)}, publisher={EPE}, author={Keuck, Lukas and Jabbar, Noman and Schafmeister, Frank and Böcker, Joachim}, year={2018}, pages={1–10} }
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[45]
2018 | Conference Paper | LibreCat-ID: 30333
@inproceedings{Hagemeyer_Schafmeister_Böcker_2018, place={Jeju, South-Korea}, title={Coupled Inductor Design for Interleaved High-Current DC-DC Converters}, booktitle={Proc. International Conference on Electrical Machines and Systems (ICEMS)}, publisher={Korea IEE & IEE Japan}, author={Hagemeyer, Marc and Schafmeister, Frank and Böcker, Joachim}, year={2018}, pages={2316–2321} }
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[44]
2017 | Patent | LibreCat-ID: 30358
@article{Figge_Schafmeister_Grote_2017, title={LLC Balancing}, author={Figge, Heiko and Schafmeister, Frank and Grote, Tobias}, year={2017} }
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[43]
2017 | Patent | LibreCat-ID: 30363
@article{Wallmeier_Schafmeister_2017, title={Controller for an Inverter (PV Inverter: PV Self Consumption & symm. Output Control)}, author={Wallmeier, Peter and Schafmeister, Frank}, year={2017} }
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[42]
2015 | Conference Paper | LibreCat-ID: 30330
@inproceedings{Schafmeister_Grote_Figge_2015, place={Nuremberg, Germany}, title={Today’s Relevance of Digital Control in Server- and Telecom Power Supplies}, booktitle={Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM)}, publisher={IEEE}, author={Schafmeister, Frank and Grote, Tobias and Figge, Heiko}, year={2015} }
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[41]
2015 | Patent | LibreCat-ID: 30359
@article{Ide_Schafmeister_Richter_Pour_Spesser_Herke_2015, title={Adaptable AC Input Phase Switching}, author={Ide, Peter and Schafmeister, Frank and Richter, Jörg and Pour, Barzin and Spesser, Daniel and Herke, Dietmar}, year={2015} }
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[40]
2015 | Patent | LibreCat-ID: 30360
@article{Hufnagel_Schafmeister_2015, title={Resistorless Precharging}, author={Hufnagel, Michael and Schafmeister, Frank}, year={2015} }
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[39]
2014 | Conference Paper | LibreCat-ID: 30327
@inproceedings{Schafmeister_Ide_Richter_2014, place={Nuremberg, Germany}, title={Adaptable AC Input Phase Switching for Optimum Utilization of Various Grid Configurations supplying Power Electronic Converters and EV/HEV On Board Chargers}, booktitle={Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM)}, publisher={IEEE}, author={Schafmeister, Frank and Ide, Peter and Richter, Jörg}, year={2014} }
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[38]
2014 | Conference Paper | LibreCat-ID: 30329
@inproceedings{Li_Njiende_Schafmeister_Ide_2014, place={Nuremberg, Germany}, title={A Soft-Switching Interleaved DC-DC Converter with Integrated Magnetics for High Voltage Battery Charger}, booktitle={Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM)}, publisher={IEEE}, author={Li, Ronggyuan and Njiende, Hugues and Schafmeister, Frank and Ide, Peter}, year={2014} }
LibreCat
 
[37]
2014 | Conference Paper | LibreCat-ID: 30328
@inproceedings{Schafmeister_Hufnagel_Ide_2014, place={Nuremberg, Germany}, title={Resistorless Precharging of Boost PFCs by Phase Angle Control of Thyristors}, booktitle={Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM)}, publisher={IEEE}, author={Schafmeister, Frank and Hufnagel, Michael and Ide, Peter}, year={2014} }
LibreCat
 
[36]
2013 | Conference Paper | LibreCat-ID: 30326
@inproceedings{Figge_Grote_Fröhleke_Böcker_Schafmeister_2013, place={Vienna, Austria}, title={Two-Phase Interleaving Configuration of the LLC Resonant Converter - Analysis and Experimental Evaluation}, booktitle={Proc. IEEE Annual Industrial Electronics Society Conference (IECON)}, publisher={IEEE}, author={Figge, Heiko and Grote, Tobias and Fröhleke, Norbert and Böcker, Joachim and Schafmeister, Frank}, year={2013}, pages={1392–1397} }
LibreCat
 
[35]
2013 | Patent | LibreCat-ID: 30357
@article{Njiende_Li_Schafmeister_Ide_2013, title={Integrated Magnetic for DCM-PSFB Converter}, author={Njiende, Hugues and Li, Rongyuan and Schafmeister, Frank and Ide, Peter}, year={2013} }
LibreCat
 
[34]
2013 | Patent | LibreCat-ID: 30356
@article{Figge_Schafmeister_2013, title={Resonant capacitor clamping circuit in resonant converter}, author={Figge, Heiko and Schafmeister, Frank}, year={2013} }
LibreCat
 
[33]
2012 | Conference Paper | LibreCat-ID: 30325
@inproceedings{Figge_Fröhleke_Böcker_Schafmeister_2012, place={Nuremberg, Germany}, title={Cost-Effective Implementation of a Digitally Controlled LLC Resonant Converter for Application in Server- and Telecom-PSUs}, booktitle={Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM)}, publisher={IEEE}, author={Figge, Heiko and Fröhleke, Norbert and Böcker, Joachim and Schafmeister, Frank}, year={2012}, pages={1–8} }
LibreCat
 
[32]
2012 | Journal Article | LibreCat-ID: 30324
@article{Schafmeister_Kolar_2012, title={Novel Hybrid Modulation Schemes Significantly Extending the Reactive Power Control Range of All Matrix Converter Topologies With Low Computational Effort}, volume={59}, number={1}, journal={IEEE Transactions on Power Electronics}, publisher={IEEE}, author={Schafmeister, Frank and Kolar, Johann}, year={2012}, pages={194–210} }
LibreCat
 
[31]
2012 | Book Chapter | LibreCat-ID: 30343
@inbook{Kolar_Schafmeister_2012, place={Berlin Heidelberg}, edition={3}, title={Matrixkonverter, Kapitel 3.8}, booktitle={Lehrbuch Leistungselektronische Schaltungen }, publisher={Springer Vieweg Verlag}, author={Kolar, Johann and Schafmeister, Frank}, editor={Schröder, Dierk}, year={2012}, pages={195–296} }
LibreCat
 
[30]
2012 | Patent | LibreCat-ID: 30355
@article{Schafmeister_Grote_2012, title={Digital Slope Compensation for Current Mode Control}, author={Schafmeister, Frank and Grote, Tobias }, year={2012} }
LibreCat
 
[29]
2011 | Conference Paper | LibreCat-ID: 30323
@inproceedings{Grote_Figge_Fröhleke_Böcker_Schafmeister_2011, place={Phoenix, AZ, USA}, title={Digital Control Strategy for Multi-Phase Interleaved Boundary Mode and DCM Boost PFC Converters}, booktitle={Proc. IEEE Energy Conversion Congress and Exposition (ECCE)}, publisher={IEEE}, author={Grote, Tobias and Figge, Heiko and Fröhleke, Norbert and Böcker, Joachim and Schafmeister, Frank}, year={2011}, pages={3186–3192} }
LibreCat
 
[28]
2011 | Conference Paper | LibreCat-ID: 30322
@inproceedings{Figge_Grote_Fröhleke_Böcker_Schafmeister_2011, place={Fort Worth, TX, USA}, title={Overcurrent Protection for the LLC Resonant Converter with Improved Hold-Up Time}, booktitle={Proc. 26th IEEE Applied Power Electronics Conference (APEC)}, publisher={IEEE}, author={Figge, Heiko and Grote, Tobias and Fröhleke, Norbert and Böcker, Joachim and Schafmeister, Frank}, year={2011}, pages={13–20} }
LibreCat
 
[27]
2011 | Patent | LibreCat-ID: 30354
@article{Schafmeister_Kolar_2011, title={Unidirektionaler AC-AC-Matrixkonverter mit Dreipunkt Ein- und Ausgangsstufe}, author={Schafmeister, Frank and Kolar, Johann}, year={2011} }
LibreCat
 
[26]
2011 | Patent | LibreCat-ID: 30353
@article{Schafmeister_Kolar_2011, title={Verfahren zum spannungslosen Schalten der Pulswechselrichter-Ausgangsstufe eines indirekten Dreiphasen-AC-AC Matrixkonverters}, author={Schafmeister, Frank and Kolar, Johann}, year={2011} }
LibreCat
 
[25]
2010 | Conference Paper | LibreCat-ID: 30321
@inproceedings{Schafmeister_Wang_Grote_Ide_2010, place={Bari, Italy}, title={Scalable Multi Phase Interleaved Boundary Mode PFC Concept enabling Energy- and Cost Efficient PSUs in the kW-Range}, booktitle={Proc. IEEE International Symposium on Industrial Electronics (ISIE)}, publisher={IEEE}, author={Schafmeister, Frank and Wang, Xudong and Grote, Tobias and Ide, Peter}, year={2010}, pages={3831–3835} }
LibreCat
 
[24]
2009 | Conference Paper | LibreCat-ID: 30319
@inproceedings{Grote_Figge_Fröhleke_Beulen_Schafmeister_Ide_Böcker_2009, place={Washington D.C., USA}, title={Semi-Digital Interleaved PFC Control with Optimized Light Load Efficiency}, booktitle={Proc. 24th IEEE Applied Power Electronics Conference (APEC)}, publisher={IEEE}, author={Grote, Tobias and Figge, FHeiko and Fröhleke, Norbert and Beulen, Winfried and Schafmeister, Frank and Ide, Peter and Böcker, Joachim}, year={2009}, pages={1722–1727} }
LibreCat
 
[23]
2009 | Conference Paper | LibreCat-ID: 30320
@inproceedings{Grote_Schafmeister_Figge_Fröhleke_Ide_Böcker_2009, place={San Jose, CA, USA}, title={Adaptive Digital Slope Compensation for Peak Current Mode Control}, booktitle={Proc. IEEE Energy Conversion Congress and Exposition (ECCE)}, publisher={IEEE}, author={Grote, Tobias and Schafmeister, Frank and Figge, Heiko and Fröhleke, Norbert and Ide, Peter and Böcker, Joachim}, year={2009}, pages={3523–3529} }
LibreCat
 
[22]
2009 | Patent | LibreCat-ID: 30351
@article{Schafmeister_Kolar_2009, title={Verfahren zur Nutzung des ausgangsseitigen Blindstromes eines indirekten dreiphasen-Matrixkonverters zur Erzeugung von Eingangsblindstrom}, author={Schafmeister, Frank and Kolar, Johann}, year={2009} }
LibreCat
 
[21]
2009 | Conference Paper | LibreCat-ID: 30517
@inproceedings{Grote_Schafmeister_Figge_Fröhleke_Ide_Böcker_2009, title={Adaptive digital slope compensation for peak current mode control}, DOI={10.1109/ecce.2009.5316380}, booktitle={2009 IEEE Energy Conversion Congress and Exposition}, publisher={IEEE}, author={Grote, T. and Schafmeister, Frank and Figge, H. and Fröhleke, N. and Ide, P. and Böcker, Joachim}, year={2009} }
LibreCat | DOI
 
[20]
2008 | Conference Paper | LibreCat-ID: 30318
@inproceedings{Figge_Fröhleke_Schafmeister_Ide_2008, place={Shanghai, China}, title={Paralleling of LLC Resonant Converters using Frequency Controlled Current Balancing}, booktitle={Proc. DPEC Seminar}, publisher={Delta Electronics}, author={Figge, Heiko and Fröhleke, Norbert and Schafmeister, Frank and Ide, Peter}, year={2008} }
LibreCat
 
[19]
2008 | Conference Paper | LibreCat-ID: 30317
@inproceedings{Grote_Fröhleke_Schafmeister_Ide_2008, place={Shanghai, China}, title={Semi-Digital Interleaved PFC Control}, booktitle={Proc. DPEC Seminar}, publisher={Delta Electronics}, author={Grote, Tobias and Fröhleke, Norbert and Schafmeister, Frank and Ide, Peter}, year={2008} }
LibreCat
 
[18]
2008 | Book Chapter | LibreCat-ID: 30316
@inbook{Kolar_Schafmeister_2008, place={Berlin Heidelberg}, edition={2nd}, title={Matrixkonverter, Kapitel 3.8}, booktitle={Lehrbuch Leistungselektronische Schaltungen,}, publisher={Springer-Verlag}, author={Kolar, Johann and Schafmeister, Frank}, editor={Schröder, Dierk}, year={2008}, pages={188–289} }
LibreCat
 
[17]
2007 | Patent | LibreCat-ID: 30352
@article{Kolar_Schafmeister_2007, title={Verfahren zur Minimierung der Schaltverluste eines quasi-direkten Dreiphasen-AC/AC-Pulsumrichters bei geringer Amplitude der Ausgangsspannungsgrundschwingung}, author={Kolar, Johann and Schafmeister, Frank}, year={2007} }
LibreCat
 
[16]
2007 | Journal Article | LibreCat-ID: 30314
@article{Kolar_Schafmeister_Round_Ertl_2007, title={Novel Three-Phase AC–AC Sparse Matrix Converters}, volume={22}, number={5}, journal={IEEE Transactions on Power Electronics}, publisher={IEEE}, author={Kolar, Johann and Schafmeister, Frank and Round, Simon and Ertl, Hans}, year={2007}, pages={1649–1661} }
LibreCat
 
[15]
2007 | Dissertation | LibreCat-ID: 30315
@book{Schafmeister_2007, place={Zürich, Switzerland}, series={DISS. ETH Nr. 17428}, title={Indirekte Sparse Matrix Konverter}, publisher={ETH Zürich}, author={Schafmeister, Frank}, year={2007}, collection={DISS. ETH Nr. 17428} }
LibreCat | Files available
 
[14]
2006 | Journal Article | LibreCat-ID: 30313
@article{Round_Schafmeister_Kolar_2006, title={Comparison of Performance and Realization Effort of a Very Sparse Matrix Converter to a Voltage DC Link PWM Inverter with Active Front End}, volume={126-D}, number={5}, journal={IEEJ Transactions of the Institute of Electrical Engineers of Japan}, publisher={IEEJapan}, author={Round, Simon and Schafmeister, Frank and Kolar, Johann}, year={2006}, pages={578–588} }
LibreCat
 
[13]
2005 | Conference Paper | LibreCat-ID: 30312
@inproceedings{Round_Schafmeister_Pereira_Serpa_Kolar_2005, place={Niigata, Japan}, title={Comparison of Performance and Realization Effort of a Very Sparse Matrix Converter to a Voltage DC Link PWM Inverter with Active Front End}, booktitle={Proc. 5th IEEJ International Power Electronics Conference (IPEC)}, publisher={IEEJapan}, author={Round, Simon and Schafmeister, Frank and Pereira, Eduardo and Serpa, Leonardo and Kolar, Johann}, year={2005} }
LibreCat
 
[12]
2005 | Conference Paper | LibreCat-ID: 30301
@inproceedings{Schafmeister_Rytz_Kolar_2005, place={Austin, USA}, title={Analytical Calculation of the Conduction and Switching Losses of the Conventional Matrix Converter and the (Very) Sparse Matrix Converter}, volume={2}, booktitle={Proc. 20th IEEE Applied Power Electronics Conference (APEC)}, publisher={IEEE}, author={Schafmeister, Frank and Rytz, Christoph and Kolar, Johann}, year={2005}, pages={875–881} }
LibreCat
 
[11]
2005 | Journal Article | LibreCat-ID: 30311
@article{Ide_Schafmeister_Fröhleke_Grotstollen_2005, title={Enhanced Control Scheme for Three-Phase, Three-Level Rectifiers at Partial Load}, volume={52}, number={3}, journal={IEEE Transactions on Industrial Electronics}, publisher={IEEE}, author={Ide, Peter and Schafmeister, Frank and Fröhleke, Norbert and Grotstollen, Horst}, year={2005}, pages={719–726} }
LibreCat
 
[10]
2004 | Conference Paper | LibreCat-ID: 30309
@inproceedings{Schafmeister_Kolar_2004, place={Aachen, Germany}, title={Novel Modulation Schemes for Conventional and Sparse Matrix Converters Facilitating Reactive Power Transfer Independent of Active Power Flow}, volume={4}, booktitle={Proc. 35th IEEE Power Electronics Specialists Conference (PESC)}, publisher={IEEE}, author={Schafmeister, Frank and Kolar, Johann}, year={2004}, pages={2917–2923} }
LibreCat
 
[9]
2004 | Conference Paper | LibreCat-ID: 30308
@inproceedings{Ide_Schafmeister_Fröhleke_Grotstollen_2004, place={Aachen, Germany}, title={Enhanced Control Scheme for Three-Phase / Three-Level Rectifiers at Partial Load}, volume={1}, booktitle={Proc. 35th IEEE Power Electronics Specialists Conference (PESC)}, publisher={IEEE}, author={Ide, Peter and Schafmeister, Frank and Fröhleke, Norbert and Grotstollen, Horst}, year={2004}, pages={207–213} }
LibreCat
 
[8]
2004 | Conference Paper | LibreCat-ID: 30310
@inproceedings{Schafmeister_Kolar_2004, place={Riga, Latvia}, title={Novel Hybrid Modulation Schemes Extending the Reactive Power Control Range of Conventional and Sparse Matrix Converters Operating at Maximum Output Voltage}, booktitle={Proc. 11th International Power Electronics and Motion Control Conference (EPE-PEMC)}, publisher={EPE}, author={Schafmeister, Frank and Kolar, Johann}, year={2004} }
LibreCat
 
[7]
2003 | Conference Paper | LibreCat-ID: 30307
@inproceedings{Schafmeister_Kolar_2003, place={Roanoke, VA, USA}, title={Novel Modulation Schemes Minimizing the Switching Losses of Sparse Matrix Converters}, booktitle={Proc. IEEE Annual Industrial Electronics Society Conference (IECON)}, publisher={IEEE}, author={Schafmeister, Frank and Kolar, Johann}, year={2003}, pages={2085–2090} }
LibreCat
 
[6]
2003 | Conference Paper | LibreCat-ID: 30300
@inproceedings{Schafmeister_Herold_Kolar_2003, place={Miami Beach, USA}, title={Evaluation of 1200V-Si-IGBTs and 1300V-SiC-JFETs for Application in Three-Phase Very Sparse Matrix AC-AC Converter Systems}, volume={1}, booktitle={Proc. 18th IEEE Applied Power Electronics Conf. (APEC)}, publisher={IEEE}, author={Schafmeister, Frank and Herold, Simon and Kolar, Johann}, year={2003}, pages={241–255} }
LibreCat
 
[5]
2003 | Journal Article | LibreCat-ID: 30306
@article{Schafmeister_Baumann_Kolar_2003, title={Analytically Closed Calculation of the Conduction Losses of Three-Phase AC-AC Sparse Matrix Converters}, volume={13}, number={1}, journal={EPE Journal}, publisher={EPE}, author={Schafmeister, Frank and Baumann, Martina and Kolar, Johann}, year={2003}, pages={5–14} }
LibreCat
 
[4]
2002 | Conference Paper | LibreCat-ID: 30302
@inproceedings{Schafmeister_Baumann_Kolar_2002, place={Cavtat & Dubrovnik, Croatia}, title={Analytically Closed Calculation of the Conduction and Switching Losses of Three-Phase AC-AC Sparse Matrix Converters}, booktitle={Proc. 10th International Power Electronics and Motion Control Conference (EPE-PEMC)}, publisher={EPE}, author={Schafmeister, Frank and Baumann, Martina and Kolar, Johann}, year={2002} }
LibreCat
 
[3]
2002 | Conference Paper | LibreCat-ID: 30299
@inproceedings{Kolar_Baumann_Schafmeister_Ertl_2002, place={Dallas, USA}, title={Novel Three-Phase AC-DC-AC Sparse Matrix Converter}, volume={2}, booktitle={Proc. 17th IEEE Applied Power Electronics Conf. (APEC)}, publisher={IEEE}, author={Kolar, Johann and Baumann, Martina and Schafmeister, Frank and Ertl, Hans}, year={2002}, pages={777–791} }
LibreCat
 
[2]
2002 | Conference Paper | LibreCat-ID: 30305
@inproceedings{Schafmeister_Kolar_2002, place={Stuttgart, Germany}, title={Analyse der Regelung einer permanenterregten Synchronmaschine bei Speisung durch einen dreiphasigen Sparse-Matrix-Konverter}, booktitle={Proc. Ansoft Inspiring Design Workshop}, author={Schafmeister, Frank and Kolar, Johann}, year={2002} }
LibreCat
 
[1]
2001 | Conference Paper | LibreCat-ID: 30124
@inproceedings{Ide_Schafmeister_Fröhleke_2001, place={Anaheim, USA}, title={Active Common-Mode Voltage Cancellation for Three-Phase PWM Rectifier/Inverter Systems based on a New Topology}, volume={1}, booktitle={Proc. 16th IEEE Applied Power Electronics Conf. (APEC)}, publisher={IEEE}, author={Ide, Peter and Schafmeister, Frank and Fröhleke, Norbert}, year={2001}, pages={201–207} }
LibreCat
 
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[92]
2023 | Conference Paper | LibreCat-ID: 48352
@inproceedings{Unruh_Böcker_Schafmeister_2023, title={An Optimized Third-Harmonic Injection Reduces DC-Link Voltage Ripple in Cascaded H-Bridge Converters up to 50% for all Power Factors}, DOI={10.23919/epe23ecceeurope58414.2023.10264313}, booktitle={2023 25th European Conference on Power Electronics and Applications (EPE’23 ECCE Europe)}, publisher={IEEE}, author={Unruh, Roland and Böcker, Joachim and Schafmeister, Frank}, year={2023} }
LibreCat | DOI | Download (ext.)
 
[91]
2022 | Conference Abstract | LibreCat-ID: 30347
@inproceedings{Schafmeister, place={Bamberg, Germany}, title={Compensation of LF Common-Mode Noise by the internal DC/DC-Stage for transformerless On-Board Chargers at Three- and Single-Phase Operation}, booktitle={International Conference on Electric & Electronic in Hybrid and Electric Vehicles and Electric Energy Management (EEHE),}, author={Schafmeister, Frank} }
LibreCat
 
[90]
2022 | Conference Paper | LibreCat-ID: 30349
@inproceedings{Förster_Rehlaender_Wallscheid_Schafmeister_Böcker, place={Houston, TX, USA}, title={An Open-Source Transistor Database and Toolbox as an Unified Software Engineering Tool for Managing and Evaluating Power Transistors}, booktitle={Proc. 37th IEEE Applied Power Electronics Conference (APEC)}, publisher={IEEE}, author={Förster, Nikolas and Rehlaender, Philipp and Wallscheid, Oliver and Schafmeister, Frank and Böcker, Joachim} }
LibreCat
 
[89]
2022 | Conference Paper | LibreCat-ID: 30350
@inproceedings{Keuck_Schafmeister_Böcker, place={Nuremberg, Germany}, title={Robust Hysteresis Control for LLC Resonant Converters Using a Fully Isolated Measurement Scheme}, booktitle={Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM)}, publisher={IEEE}, author={Keuck, Lukas and Schafmeister, Frank and Böcker, Joachim} }
LibreCat
 
[88]
2022 | Conference Paper | LibreCat-ID: 30844
@inproceedings{Huber_Wallmeier_Pieper_Schafmeister_Kolar, place={Himeji, Japan}, title={Comparative Evaluation of MVAC-LVDC SST and Hybrid Transformer Concepts for Future Datacenters}, booktitle={Proc. 9th IEEJ International Power Electronics Conference (IPEC)}, publisher={IEE Japan}, author={Huber, Jonas and Wallmeier, Peter and Pieper, Ralf and Schafmeister, Frank and Kolar, Johann} }
LibreCat
 
[87]
2022 | Conference Paper | LibreCat-ID: 35125
@inproceedings{Förster_Rehlaender_Wallscheid_Schafmeister_Böcker_2022, title={An Open-Source Transistor Database and Toolbox as a Unified Software Engineering Tool for Managing and Evaluating Power Transistors}, DOI={10.1109/apec43599.2022.9773701}, booktitle={2022 IEEE Applied Power Electronics Conference and Exposition (APEC)}, publisher={IEEE}, author={Förster, Nikolas and Rehlaender, Philipp and Wallscheid, Oliver and Schafmeister, Frank and Böcker, Joachim}, year={2022} }
LibreCat | DOI
 
[86]
2022 | Conference Paper | LibreCat-ID: 35127
@inproceedings{Förster_Piepenbrock_Rehlaender_Wallscheid_Schafmeister_Böcker_2022, title={An Open-Source FEM Magnetics Toolbox for Power Electronic Magnetic Components}, DOI={10.30420/565822103}, booktitle={PCIM Europe 2022; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management}, author={Förster, Nikolas and Piepenbrock, Till and Rehlaender, Philipp and Wallscheid, Oliver and Schafmeister, Frank and Böcker, Joachim}, year={2022}, pages={1–10} }
LibreCat | DOI
 
[85]
2022 | Journal Article | LibreCat-ID: 44163
@article{Rehlaender_Wallscheid_Schafmeister_Böcker_2022, title={LLC Resonant Converter Modulations for Reduced Junction Temperatures in Half-Bridge Mode and Transformer Flux in the On-the-Fly Morphing Thereto}, volume={37}, DOI={10.1109/tpel.2022.3180758}, number={11}, journal={IEEE Transactions on Power Electronics}, publisher={Institute of Electrical and Electronics Engineers (IEEE)}, author={Rehlaender, Philipp and Wallscheid, Oliver and Schafmeister, Frank and Böcker, Joachim}, year={2022}, pages={13413–13427} }
LibreCat | DOI
 
[84]
2022 | Conference Paper | LibreCat-ID: 44164
@inproceedings{Rehlaender_Korthauer_Schafmeister_Böcker_2022, title={Experimental Demonstration of a 2.2kW Active-Clamp Converter for High-Current Wide-Voltage-Transfer Ratio Applications}, booktitle={2022 24th European Conference on Power Electronics and Applications (EPE’22 ECCE Europe)}, author={Rehlaender, Philipp and Korthauer, Bastian and Schafmeister, Frank and Böcker, Joachim}, year={2022}, pages={P.1-P.11} }
LibreCat
 
[83]
2022 | Conference Paper | LibreCat-ID: 44161
@inproceedings{Rehlaender_Schafmeister_Böcker_2022, title={Phase-Shift Modulation for Flying-Capacitor DC-DC Converters}, booktitle={2022 24th European Conference on Power Electronics and Applications (EPE’22 ECCE Europe)}, author={Rehlaender, Philipp and Schafmeister, Frank and Böcker, Joachim}, year={2022}, pages={1–9} }
LibreCat
 
[82]
2022 | Conference Paper | LibreCat-ID: 34176
@inproceedings{Unruh_Schafmeister_Böcker_2022, title={Zero-Sequence Voltage Reduces DC-Link Capacitor Demand in Cascaded H-Bridge Converters for Large-Scale Electrolyzers by 40%}, booktitle={24th European Conference on Power Electronics and Applications (EPE’22 ECCE Europe)}, publisher={IEEE}, author={Unruh, Roland and Schafmeister, Frank and Böcker, Joachim}, year={2022} }
LibreCat | Download (ext.)
 
[81]
2022 | Conference Paper | LibreCat-ID: 35126
@inproceedings{Förster_Hölscher_Piepenbrock_Rehlaender_Wallscheid_Schafmeister_Böcker_2022, title={An Open-Source FEM Magnetic Toolbox for Calculating Electric and Thermal Behavior of Power Electronic Magnetic Components}, booktitle={2022 24th European Conference on Power Electronics and Applications (EPE’22 ECCE Europe)}, author={Förster, Nikolas and Hölscher, Jonas and Piepenbrock, Till and Rehlaender, Philipp and Wallscheid, Oliver and Schafmeister, Frank and Böcker, Joachim}, year={2022}, pages={P.1-P.9} }
LibreCat
 
[80]
2021 | Conference Paper | LibreCat-ID: 29849
@inproceedings{Strothmann_Schafmeister_Böcker_2021, title={Common-Mode-Free Bidirectional Three-Phase PFC-Rectifier for Non-Isolated EV Charger}, DOI={10.1109/apec42165.2021.9487462}, booktitle={2021 IEEE Applied Power Electronics Conference and Exposition (APEC)}, publisher={IEEE}, author={Strothmann, Benjamin and Schafmeister, Frank and Böcker, Joachim}, year={2021} }
LibreCat | DOI
 
[79]
2021 | Journal Article | LibreCat-ID: 29892
@article{Rehlaender_Schafmeister_Böcker_2021, title={Interleaved Single-Stage LLC Converter Design Utilizing Half- and Full-Bridge Configurations for Wide Voltage Transfer Ratio Applications}, volume={36}, DOI={10.1109/tpel.2021.3067843}, number={9}, journal={IEEE Transactions on Power Electronics}, publisher={Institute of Electrical and Electronics Engineers (IEEE)}, author={Rehlaender, Philipp and Schafmeister, Frank and Böcker, Joachim}, year={2021}, pages={10065–10080} }
LibreCat | DOI
 
[78]
2021 | Conference Paper | LibreCat-ID: 29895
@inproceedings{Korthauer_Rehlaender_Schafmeister_Böcker_2021, title={Design and Analysis of a Regenerative Snubber for a 2.2 kW Active-Clamp Forward Converter with Low-Voltage Output}, DOI={10.1109/apec42165.2021.9487130}, booktitle={2021 IEEE Applied Power Electronics Conference and Exposition (APEC)}, publisher={IEEE}, author={Korthauer, Bastian and Rehlaender, Philipp and Schafmeister, Frank and Böcker, Joachim}, year={2021} }
LibreCat | DOI
 
[77]
2021 | Conference Paper | LibreCat-ID: 29850
@inproceedings{Strothmann_Book_Schafmeister_Böcker_2021, title={Single-Phase Operation of Common-Mode-Free Bidirectional Three-Phase PFC-Rectifier for Non-Isolated EV Charger with Minimized DC-Link}, booktitle={PCIM Europe digital days 2021; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management}, author={Strothmann, Benjamin and Book, Gerrit and Schafmeister, Frank and Böcker, Joachim}, year={2021}, pages={1–8} }
LibreCat | Download (ext.)
 
[76]
2021 | Conference Paper | LibreCat-ID: 29871
@inproceedings{Urbaneck_Rehlaender_Böcker_Schafmeister_2021, title={LLC Converter in Capacitive Operation Utilizing ZCS for IGBTs – Theory, Concept and Verification of a 2 kW DC-DC Converter for EVs}, booktitle={2021 IEEE Applied Power Electronics Conference and Exposition (APEC)}, author={Urbaneck, Daniel and Rehlaender, Philipp and Böcker, Joachim and Schafmeister, Frank}, year={2021} }
LibreCat | Download (ext.)
 
[75]
2021 | Conference Paper | LibreCat-ID: 30340
@inproceedings{Hagemeyer_Wallmeier_Schafmeister_Böcker_2021, place={Phoenix, AZ, USA}, title={Comparison of unidirectional Three- and Four-Wire based Boost PFC-Rectifier Topologies for Non-Isolated Three-Phase EV On-Board Chargers under Common-Mode Aspects}, booktitle={Proc. 36th IEEE Applied Power Electronics Conference (APEC)}, publisher={IEEE}, author={Hagemeyer, Marc and Wallmeier, Peter and Schafmeister, Frank and Böcker, Joachim}, year={2021}, pages={569–576} }
LibreCat
 
[74]
2021 | Newspaper Article | LibreCat-ID: 30348
@article{Schafmeister_2021, title={Transformerless On-Board Chargers at Three- and Single-Phase Operation: Compensation of LF Common-Mode Noise by the Internal DC/DC-Stage}, journal={Power System Design (PSD) Web Magazine}, author={Schafmeister, Frank}, year={2021} }
LibreCat
 
[73]
2021 | Conference Paper | LibreCat-ID: 29938
@inproceedings{Unruh_Lange_Schafmeister_Böcker_2021, title={Adaptive Zero-Sequence Voltage Injection for Modular Solid-State Transformer to Compensate for Asymmetrical Fault Conditions}, DOI={https://doi.org/10.23919/EPE21ECCEEurope50061.2021.9570542}, booktitle={23rd European Conference on Power Electronics and Applications (EPE’21 ECCE Europe)}, publisher={IEEE}, author={Unruh, Roland and Lange, Jarren and Schafmeister, Frank and Böcker, Joachim}, year={2021} }
LibreCat | DOI | Download (ext.)
 
[72]
2021 | Conference Paper | LibreCat-ID: 29899
@inproceedings{Rehlaender_Unruh_Hankeln_Schafmeister_Böcker_2021, title={Frequency-Doubler Modulation for Reduced Junction Temperatures for LLC Resonant Converters Operated in Half-Bridge Configuration}, DOI={10.23919/EPE21ECCEEurope50061.2021.9570674}, booktitle={23rd European Conference on Power Electronics and Applications (EPE’21 ECCE Europe)}, publisher={IEEE}, author={Rehlaender, Philipp and Unruh, Roland and Hankeln, Lars and Schafmeister, Frank and Böcker, Joachim}, year={2021} }
LibreCat | DOI | Download (ext.)
 
[71]
2021 | Conference Paper | LibreCat-ID: 29893
@inproceedings{Rehlaender_Unruh_Schafmeister_Böcker_2021, title={Alternating Asymmetrical Phase-Shift Modulation for Full-Bridge Converters with Balanced Switching Losses to Reduce Thermal Imbalances}, DOI={10.1109/apec42165.2021.9487104}, booktitle={2021 IEEE Applied Power Electronics Conference and Exposition (APEC)}, publisher={IEEE}, author={Rehlaender, Philipp and Unruh, Roland and Schafmeister, Frank and Böcker, Joachim}, year={2021} }
LibreCat | DOI | Download (ext.)
 
[70]
2020 | Conference Paper | LibreCat-ID: 29939
@inproceedings{Unruh_Schafmeister_Böcker_2020, title={Evaluation of MMCs for High-Power Low-Voltage DC-Applications in Combination with the Module LLC-Design}, DOI={10.23919/epe20ecceeurope43536.2020.9215687}, booktitle={2020 22nd European Conference on Power Electronics and Applications (EPE’20 ECCE Europe)}, publisher={IEEE}, author={Unruh, Roland and Schafmeister, Frank and Böcker, Joachim}, year={2020} }
LibreCat | DOI | Download (ext.)
 
[69]
2020 | Conference Paper | LibreCat-ID: 29894
@inproceedings{Rehlaender_Tikhonov_Schafmeister_Böcker_2020, title={Dual Interleaved 3.6 kW LLC Converter Operating in Half-Bridge, Full-Bridge and Phase-Shift Mode as a Single-Stage Architecture of an Automotive On-Board DC-DC Converter}, DOI={10.23919/epe20ecceeurope43536.2020.9215736}, booktitle={2020 22nd European Conference on Power Electronics and Applications (EPE’20 ECCE Europe)}, publisher={IEEE}, author={Rehlaender, Philipp and Tikhonov, Sergey and Schafmeister, Frank and Böcker, Joachim}, year={2020} }
LibreCat | DOI
 
[68]
2020 | Conference Paper | LibreCat-ID: 29896
@inproceedings{Rehlaender_Grote_Tikhonov_Mario_Schafmeister_Böcker_2020, title={A 3,6 kW Single-Stage LLC Converter Operating in Half-Bridge, Full-Bridge and Phase-Shift Mode for Automotive Onboard DC-DC Conversion}, booktitle={PCIM Europe digital days 2020}, author={Rehlaender, Philipp and Grote, Tobias and Tikhonov, Sergey and Mario, Schröder and Schafmeister, Frank and Böcker, Joachim}, year={2020} }
LibreCat | Download (ext.)
 
[67]
2020 | Conference Paper | LibreCat-ID: 29898
@inproceedings{Rüschenbaum_Rehlaender_Ha_Grote_Schafmeister_Böcker_2020, title={Two-Stage Automotive DC-DC Converter Design with Wide Voltage-Transfer Range Utilizing Asymmetric LLC Operation}, booktitle={PCIM Europe digital days 2020}, author={Rüschenbaum, Tobias and Rehlaender, Philipp and Ha, Phuong and Grote, Tobias and Schafmeister, Frank and Böcker, Joachim}, year={2020} }
LibreCat | Download (ext.)
 
[66]
2020 | Conference Paper | LibreCat-ID: 29874
@inproceedings{Urbaneck_Rehlaender_Schafmeister_Böcker_2020, title={LLC Converter Design in Capacitive Operation utilizes ZCS for IGBTs – a Concept Study for a 2.2 kW Automotive DC-DC Stage}, booktitle={PCIM Europe digital days 2020}, author={Urbaneck, Daniel and Rehlaender, Philipp and Schafmeister, Frank and Böcker, Joachim}, year={2020} }
LibreCat | Download (ext.)
 
[65]
2020 | Conference Paper | LibreCat-ID: 30339
@inproceedings{Ahmmad_Schafmeister_Böcker_2020, place={Nuremberg, Germany}, title={Practical Implementation and Verification of Simple-to-Implement Digital Current Observer for Half-Bridge Topologies}, booktitle={Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM digital days)}, publisher={IEEE}, author={Ahmmad, Mohsin Ejaz and Schafmeister, Frank and Böcker, Joachim}, year={2020} }
LibreCat
 
[64]
2020 | Patent | LibreCat-ID: 30362
@article{Schafmeister_2020, title={Apparatus and method for charging an electric battery vehicle}, author={Schafmeister, Frank}, year={2020} }
LibreCat
 
[63]
2020 | Conference Paper | LibreCat-ID: 29880
@inproceedings{Unruh_Schafmeister_Böcker_2020, title={11kW, 70kHz LLC Converter Design with Adaptive Input Voltage for 98% Efficiency in an MMC}, DOI={10.1109/compel49091.2020.9265771}, booktitle={2020 IEEE 21st Workshop on Control and Modeling for Power Electronics (COMPEL)}, publisher={IEEE}, author={Unruh, Roland and Schafmeister, Frank and Böcker, Joachim}, year={2020} }
LibreCat | DOI | Download (ext.)
 
[62]
2020 | Conference Paper | LibreCat-ID: 29940
@inproceedings{Unruh_Schafmeister_Fröhleke_Böcker_2020, title={1-MW Full-Bridge MMC for High-Current Low-Voltage (100V-400V) DC-Applications}, booktitle={PCIM Europe digital days 2020; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management}, publisher={VDE}, author={Unruh, Roland and Schafmeister, Frank and Fröhleke, Norbert and Böcker, Joachim}, year={2020} }
LibreCat | Download (ext.)
 
[61]
2020 | Conference Paper | LibreCat-ID: 30001
@inproceedings{Strothmann_Piepenbrock_Schafmeister_Böcker_2020, title={Heat dissipation strategies for silicon carbide power SMDs and their use in different applications}, booktitle={PCIM Europe digital days 2020; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management}, author={Strothmann, Benjamin and Piepenbrock, Till and Schafmeister, Frank and Böcker, Joachim}, year={2020}, pages={1–7} }
LibreCat
 
[60]
2019 | Conference Paper | LibreCat-ID: 29999
@inproceedings{Strothmann_Schafmeister_Böcker_2019, title={Common Mode Analysis of Non-Isolated Three-Phase EV-Charger for Bi-Directional Vehicle-to-Grid Operation}, booktitle={PCIM Europe 2019; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management}, author={Strothmann, Benjamin and Schafmeister, Frank and Böcker, Joachim}, year={2019}, pages={1–7} }
LibreCat | Download (ext.)
 
[59]
2019 | Conference Paper | LibreCat-ID: 30002
@inproceedings{Strothmann_Schafmeister_Böcker_2019, title={Pareto Design and Switching Frequencies for SiC MOSFETs Applied in an 11 kW Buck Converter for EV-Charging}, DOI={10.1109/apec.2019.8721850}, booktitle={2019 IEEE Applied Power Electronics Conference and Exposition (APEC)}, publisher={IEEE}, author={Strothmann, Benjamin and Schafmeister, Frank and Böcker, Joachim}, year={2019} }
LibreCat | DOI
 
[58]
2019 | Conference Paper | LibreCat-ID: 16442
@inproceedings{Rehlaender_Grote_Schafmeister_Böcker_2019, title={Analytical Modeling and Design of an Active Clamp Forward Converter Applied as a Single-Stage On-Board DC-DC Converter for EVs}, booktitle={PCIM Europe 2019}, author={Rehlaender, Philipp and Grote, Tobias and Schafmeister, Frank and Böcker, Joachim}, year={2019} }
LibreCat | Download (ext.)
 
[57]
2019 | Conference Paper | LibreCat-ID: 29942
@inproceedings{Unruh_Schafmeister_Fröhleke_Böcker_2019, title={MMC-Topology for High-Current and Low-Voltage Applications with Minimal Number of Submodules, Reduced Switching and Capacitor Losses}, booktitle={PCIM Europe 2019; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management}, publisher={VDE}, author={Unruh, Roland and Schafmeister, Frank and Fröhleke, Norbert and Böcker, Joachim}, year={2019} }
LibreCat | Download (ext.)
 
[56]
2019 | Conference Paper | LibreCat-ID: 30334
@inproceedings{Keuck_Schafmeister_Böcker_2019, place={Anaheim, CA, USA}, title={Computer-Aided Design and Optimization of an Integrated Transformer with Distributed Air Gap and Leakage Path for an LLC Resonant Converter}, booktitle={Proc. 34th IEEE Applied Power Electronics Conference (APEC)}, publisher={IEEE}, author={Keuck, Lukas and Schafmeister, Frank and Böcker, Joachim}, year={2019}, pages={1415–1422} }
LibreCat
 
[55]
2019 | Conference Paper | LibreCat-ID: 30335
@inproceedings{Keuck_Schafmeister_Böcker_Jungwirth_Schmidhuber_2019, place={Nuremberg, Germany}, title={Computer-Aided Design and Optimization of an Integrated Transformer with Distributed Air Gap and Leakage Path for LLC Resonant Converter}, booktitle={Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM)}, publisher={IEEE}, author={Keuck, Lukas and Schafmeister, Frank and Böcker, Joachim and Jungwirth, Herbert and Schmidhuber, Michael}, year={2019} }
LibreCat
 
[54]
2019 | Conference Paper | LibreCat-ID: 30337
@inproceedings{Ahmad_Schafmeister_Böcker_2019, place={Nuremberg, Germany}, title={Novel Current Measurement Concept for Half Bridge Topologies based on simple-to-implement Digital Current Observer}, booktitle={Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM)}, publisher={IEEE}, author={Ahmad, Mohsin Ejaz and Schafmeister, Frank and Böcker, Joachim}, year={2019} }
LibreCat
 
[53]
2019 | Conference Paper | LibreCat-ID: 30336
@inproceedings{Bolte_Schafmeister_Böcker_2019, place={Nuremberg, Germany}, title={LCC Resonant Converter for Piezoelectric Transducers with Phase Shift Control}, booktitle={Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM)}, publisher={IEEE}, author={Bolte, Sven and Schafmeister, Frank and Böcker, Joachim}, year={2019} }
LibreCat
 
[52]
2019 | Conference Paper | LibreCat-ID: 30338
@inproceedings{Bolte_Schafmeister_Böcker_2019, place={Vancouver, Canada}, title={Bidirectional Resonant Converter with Integrated Magnetics for On-Board Chargers}, booktitle={Proc. IEEE International Symposium on Industrial Electronics (ISIE)}, publisher={IEEE}, author={Bolte, Sven and Schafmeister, Frank and Böcker, Joachim}, year={2019}, pages={770–774} }
LibreCat
 
[51]
2019 | Conference Paper | LibreCat-ID: 30344
@inproceedings{Rehlaender_Grote_Schafmeister_Böcker_2019, place={Nuremberg, Germany}, title={Interleaved Active Clamp Forward Converters as Single Stage On-Board DC-DC Converters for EVs – an Accurate Model and Design Considerations}, booktitle={Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM)}, publisher={IEEE}, author={Rehlaender, Philipp and Grote, Tobias and Schafmeister, Frank and Böcker, Joachim}, year={2019} }
LibreCat
 
[50]
2019 | Conference Paper | LibreCat-ID: 30346
@inproceedings{Rehlaender_Grote_Tikhonov_Njiende_Schafmeister_Böcker_Thiemann_2019, place={Genova, Italy}, title={A PCB-Integrated Winding Using a Litz Structure for a Wireless Charging Coil}, booktitle={Proc. 21st European Conference on Power Electronics and Applications (EPE-ECCE Europe)}, publisher={EPE}, author={Rehlaender, Philipp and Grote, Tobias and Tikhonov, Sergey and Njiende, Hugues and Schafmeister, Frank and Böcker, Joachim and Thiemann, Peter}, year={2019}, pages={1–9} }
LibreCat
 
[49]
2019 | Conference Paper | LibreCat-ID: 30345
@inproceedings{Rehlaender_Grote_Schafmeister_Böcker_2019, place={Vancouver, Canada}, title={Analytical Topology Comparison for a Single-Stage On-Board EV-Battery Converter}, booktitle={Proc. IEEE International Symposium on Industrial Electronics (ISIE)}, publisher={IEEE}, author={Rehlaender, Philipp and Grote, Tobias and Schafmeister, Frank and Böcker, Joachim}, year={2019}, pages={2477–2482} }
LibreCat
 
[48]
2019 | Patent | LibreCat-ID: 30361
@article{Pohlmann_Schafmeister_2019, title={Current measurement circuit for TCM-PFC}, author={Pohlmann, Robert and Schafmeister, Frank}, year={2019} }
LibreCat
 
[47]
2018 | Conference Paper | LibreCat-ID: 30331
@inproceedings{Keuck_Munir_Schafmeister_Böcker_2018, place={Nuremberg, Germany}, title={Adaptive Frequency Control of DC-DC-Converters for Maximum Efficiency Using Artificial Neural Network}, booktitle={Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM)}, publisher={IEEE}, author={Keuck, Lukas and Munir, A and Schafmeister, Frank and Böcker, Joachim}, year={2018} }
LibreCat
 
[46]
2018 | Conference Paper | LibreCat-ID: 30332
@inproceedings{Keuck_Jabbar_Schafmeister_Böcker_2018, place={Riga, Latvia}, title={Switching Loss Characterization of Wide Band-Gap Devices by an Indirect Identification Methodology}, booktitle={Proc. 20th European Conference on Power Electronics and Applications (EPE-ECCE Europe)}, publisher={EPE}, author={Keuck, Lukas and Jabbar, Noman and Schafmeister, Frank and Böcker, Joachim}, year={2018}, pages={1–10} }
LibreCat
 
[45]
2018 | Conference Paper | LibreCat-ID: 30333
@inproceedings{Hagemeyer_Schafmeister_Böcker_2018, place={Jeju, South-Korea}, title={Coupled Inductor Design for Interleaved High-Current DC-DC Converters}, booktitle={Proc. International Conference on Electrical Machines and Systems (ICEMS)}, publisher={Korea IEE & IEE Japan}, author={Hagemeyer, Marc and Schafmeister, Frank and Böcker, Joachim}, year={2018}, pages={2316–2321} }
LibreCat
 
[44]
2017 | Patent | LibreCat-ID: 30358
@article{Figge_Schafmeister_Grote_2017, title={LLC Balancing}, author={Figge, Heiko and Schafmeister, Frank and Grote, Tobias}, year={2017} }
LibreCat
 
[43]
2017 | Patent | LibreCat-ID: 30363
@article{Wallmeier_Schafmeister_2017, title={Controller for an Inverter (PV Inverter: PV Self Consumption & symm. Output Control)}, author={Wallmeier, Peter and Schafmeister, Frank}, year={2017} }
LibreCat
 
[42]
2015 | Conference Paper | LibreCat-ID: 30330
@inproceedings{Schafmeister_Grote_Figge_2015, place={Nuremberg, Germany}, title={Today’s Relevance of Digital Control in Server- and Telecom Power Supplies}, booktitle={Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM)}, publisher={IEEE}, author={Schafmeister, Frank and Grote, Tobias and Figge, Heiko}, year={2015} }
LibreCat
 
[41]
2015 | Patent | LibreCat-ID: 30359
@article{Ide_Schafmeister_Richter_Pour_Spesser_Herke_2015, title={Adaptable AC Input Phase Switching}, author={Ide, Peter and Schafmeister, Frank and Richter, Jörg and Pour, Barzin and Spesser, Daniel and Herke, Dietmar}, year={2015} }
LibreCat
 
[40]
2015 | Patent | LibreCat-ID: 30360
@article{Hufnagel_Schafmeister_2015, title={Resistorless Precharging}, author={Hufnagel, Michael and Schafmeister, Frank}, year={2015} }
LibreCat
 
[39]
2014 | Conference Paper | LibreCat-ID: 30327
@inproceedings{Schafmeister_Ide_Richter_2014, place={Nuremberg, Germany}, title={Adaptable AC Input Phase Switching for Optimum Utilization of Various Grid Configurations supplying Power Electronic Converters and EV/HEV On Board Chargers}, booktitle={Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM)}, publisher={IEEE}, author={Schafmeister, Frank and Ide, Peter and Richter, Jörg}, year={2014} }
LibreCat
 
[38]
2014 | Conference Paper | LibreCat-ID: 30329
@inproceedings{Li_Njiende_Schafmeister_Ide_2014, place={Nuremberg, Germany}, title={A Soft-Switching Interleaved DC-DC Converter with Integrated Magnetics for High Voltage Battery Charger}, booktitle={Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM)}, publisher={IEEE}, author={Li, Ronggyuan and Njiende, Hugues and Schafmeister, Frank and Ide, Peter}, year={2014} }
LibreCat
 
[37]
2014 | Conference Paper | LibreCat-ID: 30328
@inproceedings{Schafmeister_Hufnagel_Ide_2014, place={Nuremberg, Germany}, title={Resistorless Precharging of Boost PFCs by Phase Angle Control of Thyristors}, booktitle={Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM)}, publisher={IEEE}, author={Schafmeister, Frank and Hufnagel, Michael and Ide, Peter}, year={2014} }
LibreCat
 
[36]
2013 | Conference Paper | LibreCat-ID: 30326
@inproceedings{Figge_Grote_Fröhleke_Böcker_Schafmeister_2013, place={Vienna, Austria}, title={Two-Phase Interleaving Configuration of the LLC Resonant Converter - Analysis and Experimental Evaluation}, booktitle={Proc. IEEE Annual Industrial Electronics Society Conference (IECON)}, publisher={IEEE}, author={Figge, Heiko and Grote, Tobias and Fröhleke, Norbert and Böcker, Joachim and Schafmeister, Frank}, year={2013}, pages={1392–1397} }
LibreCat
 
[35]
2013 | Patent | LibreCat-ID: 30357
@article{Njiende_Li_Schafmeister_Ide_2013, title={Integrated Magnetic for DCM-PSFB Converter}, author={Njiende, Hugues and Li, Rongyuan and Schafmeister, Frank and Ide, Peter}, year={2013} }
LibreCat
 
[34]
2013 | Patent | LibreCat-ID: 30356
@article{Figge_Schafmeister_2013, title={Resonant capacitor clamping circuit in resonant converter}, author={Figge, Heiko and Schafmeister, Frank}, year={2013} }
LibreCat
 
[33]
2012 | Conference Paper | LibreCat-ID: 30325
@inproceedings{Figge_Fröhleke_Böcker_Schafmeister_2012, place={Nuremberg, Germany}, title={Cost-Effective Implementation of a Digitally Controlled LLC Resonant Converter for Application in Server- and Telecom-PSUs}, booktitle={Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM)}, publisher={IEEE}, author={Figge, Heiko and Fröhleke, Norbert and Böcker, Joachim and Schafmeister, Frank}, year={2012}, pages={1–8} }
LibreCat
 
[32]
2012 | Journal Article | LibreCat-ID: 30324
@article{Schafmeister_Kolar_2012, title={Novel Hybrid Modulation Schemes Significantly Extending the Reactive Power Control Range of All Matrix Converter Topologies With Low Computational Effort}, volume={59}, number={1}, journal={IEEE Transactions on Power Electronics}, publisher={IEEE}, author={Schafmeister, Frank and Kolar, Johann}, year={2012}, pages={194–210} }
LibreCat
 
[31]
2012 | Book Chapter | LibreCat-ID: 30343
@inbook{Kolar_Schafmeister_2012, place={Berlin Heidelberg}, edition={3}, title={Matrixkonverter, Kapitel 3.8}, booktitle={Lehrbuch Leistungselektronische Schaltungen }, publisher={Springer Vieweg Verlag}, author={Kolar, Johann and Schafmeister, Frank}, editor={Schröder, Dierk}, year={2012}, pages={195–296} }
LibreCat
 
[30]
2012 | Patent | LibreCat-ID: 30355
@article{Schafmeister_Grote_2012, title={Digital Slope Compensation for Current Mode Control}, author={Schafmeister, Frank and Grote, Tobias }, year={2012} }
LibreCat
 
[29]
2011 | Conference Paper | LibreCat-ID: 30323
@inproceedings{Grote_Figge_Fröhleke_Böcker_Schafmeister_2011, place={Phoenix, AZ, USA}, title={Digital Control Strategy for Multi-Phase Interleaved Boundary Mode and DCM Boost PFC Converters}, booktitle={Proc. IEEE Energy Conversion Congress and Exposition (ECCE)}, publisher={IEEE}, author={Grote, Tobias and Figge, Heiko and Fröhleke, Norbert and Böcker, Joachim and Schafmeister, Frank}, year={2011}, pages={3186–3192} }
LibreCat
 
[28]
2011 | Conference Paper | LibreCat-ID: 30322
@inproceedings{Figge_Grote_Fröhleke_Böcker_Schafmeister_2011, place={Fort Worth, TX, USA}, title={Overcurrent Protection for the LLC Resonant Converter with Improved Hold-Up Time}, booktitle={Proc. 26th IEEE Applied Power Electronics Conference (APEC)}, publisher={IEEE}, author={Figge, Heiko and Grote, Tobias and Fröhleke, Norbert and Böcker, Joachim and Schafmeister, Frank}, year={2011}, pages={13–20} }
LibreCat
 
[27]
2011 | Patent | LibreCat-ID: 30354
@article{Schafmeister_Kolar_2011, title={Unidirektionaler AC-AC-Matrixkonverter mit Dreipunkt Ein- und Ausgangsstufe}, author={Schafmeister, Frank and Kolar, Johann}, year={2011} }
LibreCat
 
[26]
2011 | Patent | LibreCat-ID: 30353
@article{Schafmeister_Kolar_2011, title={Verfahren zum spannungslosen Schalten der Pulswechselrichter-Ausgangsstufe eines indirekten Dreiphasen-AC-AC Matrixkonverters}, author={Schafmeister, Frank and Kolar, Johann}, year={2011} }
LibreCat
 
[25]
2010 | Conference Paper | LibreCat-ID: 30321
@inproceedings{Schafmeister_Wang_Grote_Ide_2010, place={Bari, Italy}, title={Scalable Multi Phase Interleaved Boundary Mode PFC Concept enabling Energy- and Cost Efficient PSUs in the kW-Range}, booktitle={Proc. IEEE International Symposium on Industrial Electronics (ISIE)}, publisher={IEEE}, author={Schafmeister, Frank and Wang, Xudong and Grote, Tobias and Ide, Peter}, year={2010}, pages={3831–3835} }
LibreCat
 
[24]
2009 | Conference Paper | LibreCat-ID: 30319
@inproceedings{Grote_Figge_Fröhleke_Beulen_Schafmeister_Ide_Böcker_2009, place={Washington D.C., USA}, title={Semi-Digital Interleaved PFC Control with Optimized Light Load Efficiency}, booktitle={Proc. 24th IEEE Applied Power Electronics Conference (APEC)}, publisher={IEEE}, author={Grote, Tobias and Figge, FHeiko and Fröhleke, Norbert and Beulen, Winfried and Schafmeister, Frank and Ide, Peter and Böcker, Joachim}, year={2009}, pages={1722–1727} }
LibreCat
 
[23]
2009 | Conference Paper | LibreCat-ID: 30320
@inproceedings{Grote_Schafmeister_Figge_Fröhleke_Ide_Böcker_2009, place={San Jose, CA, USA}, title={Adaptive Digital Slope Compensation for Peak Current Mode Control}, booktitle={Proc. IEEE Energy Conversion Congress and Exposition (ECCE)}, publisher={IEEE}, author={Grote, Tobias and Schafmeister, Frank and Figge, Heiko and Fröhleke, Norbert and Ide, Peter and Böcker, Joachim}, year={2009}, pages={3523–3529} }
LibreCat
 
[22]
2009 | Patent | LibreCat-ID: 30351
@article{Schafmeister_Kolar_2009, title={Verfahren zur Nutzung des ausgangsseitigen Blindstromes eines indirekten dreiphasen-Matrixkonverters zur Erzeugung von Eingangsblindstrom}, author={Schafmeister, Frank and Kolar, Johann}, year={2009} }
LibreCat
 
[21]
2009 | Conference Paper | LibreCat-ID: 30517
@inproceedings{Grote_Schafmeister_Figge_Fröhleke_Ide_Böcker_2009, title={Adaptive digital slope compensation for peak current mode control}, DOI={10.1109/ecce.2009.5316380}, booktitle={2009 IEEE Energy Conversion Congress and Exposition}, publisher={IEEE}, author={Grote, T. and Schafmeister, Frank and Figge, H. and Fröhleke, N. and Ide, P. and Böcker, Joachim}, year={2009} }
LibreCat | DOI
 
[20]
2008 | Conference Paper | LibreCat-ID: 30318
@inproceedings{Figge_Fröhleke_Schafmeister_Ide_2008, place={Shanghai, China}, title={Paralleling of LLC Resonant Converters using Frequency Controlled Current Balancing}, booktitle={Proc. DPEC Seminar}, publisher={Delta Electronics}, author={Figge, Heiko and Fröhleke, Norbert and Schafmeister, Frank and Ide, Peter}, year={2008} }
LibreCat
 
[19]
2008 | Conference Paper | LibreCat-ID: 30317
@inproceedings{Grote_Fröhleke_Schafmeister_Ide_2008, place={Shanghai, China}, title={Semi-Digital Interleaved PFC Control}, booktitle={Proc. DPEC Seminar}, publisher={Delta Electronics}, author={Grote, Tobias and Fröhleke, Norbert and Schafmeister, Frank and Ide, Peter}, year={2008} }
LibreCat
 
[18]
2008 | Book Chapter | LibreCat-ID: 30316
@inbook{Kolar_Schafmeister_2008, place={Berlin Heidelberg}, edition={2nd}, title={Matrixkonverter, Kapitel 3.8}, booktitle={Lehrbuch Leistungselektronische Schaltungen,}, publisher={Springer-Verlag}, author={Kolar, Johann and Schafmeister, Frank}, editor={Schröder, Dierk}, year={2008}, pages={188–289} }
LibreCat
 
[17]
2007 | Patent | LibreCat-ID: 30352
@article{Kolar_Schafmeister_2007, title={Verfahren zur Minimierung der Schaltverluste eines quasi-direkten Dreiphasen-AC/AC-Pulsumrichters bei geringer Amplitude der Ausgangsspannungsgrundschwingung}, author={Kolar, Johann and Schafmeister, Frank}, year={2007} }
LibreCat
 
[16]
2007 | Journal Article | LibreCat-ID: 30314
@article{Kolar_Schafmeister_Round_Ertl_2007, title={Novel Three-Phase AC–AC Sparse Matrix Converters}, volume={22}, number={5}, journal={IEEE Transactions on Power Electronics}, publisher={IEEE}, author={Kolar, Johann and Schafmeister, Frank and Round, Simon and Ertl, Hans}, year={2007}, pages={1649–1661} }
LibreCat
 
[15]
2007 | Dissertation | LibreCat-ID: 30315
@book{Schafmeister_2007, place={Zürich, Switzerland}, series={DISS. ETH Nr. 17428}, title={Indirekte Sparse Matrix Konverter}, publisher={ETH Zürich}, author={Schafmeister, Frank}, year={2007}, collection={DISS. ETH Nr. 17428} }
LibreCat | Files available
 
[14]
2006 | Journal Article | LibreCat-ID: 30313
@article{Round_Schafmeister_Kolar_2006, title={Comparison of Performance and Realization Effort of a Very Sparse Matrix Converter to a Voltage DC Link PWM Inverter with Active Front End}, volume={126-D}, number={5}, journal={IEEJ Transactions of the Institute of Electrical Engineers of Japan}, publisher={IEEJapan}, author={Round, Simon and Schafmeister, Frank and Kolar, Johann}, year={2006}, pages={578–588} }
LibreCat
 
[13]
2005 | Conference Paper | LibreCat-ID: 30312
@inproceedings{Round_Schafmeister_Pereira_Serpa_Kolar_2005, place={Niigata, Japan}, title={Comparison of Performance and Realization Effort of a Very Sparse Matrix Converter to a Voltage DC Link PWM Inverter with Active Front End}, booktitle={Proc. 5th IEEJ International Power Electronics Conference (IPEC)}, publisher={IEEJapan}, author={Round, Simon and Schafmeister, Frank and Pereira, Eduardo and Serpa, Leonardo and Kolar, Johann}, year={2005} }
LibreCat
 
[12]
2005 | Conference Paper | LibreCat-ID: 30301
@inproceedings{Schafmeister_Rytz_Kolar_2005, place={Austin, USA}, title={Analytical Calculation of the Conduction and Switching Losses of the Conventional Matrix Converter and the (Very) Sparse Matrix Converter}, volume={2}, booktitle={Proc. 20th IEEE Applied Power Electronics Conference (APEC)}, publisher={IEEE}, author={Schafmeister, Frank and Rytz, Christoph and Kolar, Johann}, year={2005}, pages={875–881} }
LibreCat
 
[11]
2005 | Journal Article | LibreCat-ID: 30311
@article{Ide_Schafmeister_Fröhleke_Grotstollen_2005, title={Enhanced Control Scheme for Three-Phase, Three-Level Rectifiers at Partial Load}, volume={52}, number={3}, journal={IEEE Transactions on Industrial Electronics}, publisher={IEEE}, author={Ide, Peter and Schafmeister, Frank and Fröhleke, Norbert and Grotstollen, Horst}, year={2005}, pages={719–726} }
LibreCat
 
[10]
2004 | Conference Paper | LibreCat-ID: 30309
@inproceedings{Schafmeister_Kolar_2004, place={Aachen, Germany}, title={Novel Modulation Schemes for Conventional and Sparse Matrix Converters Facilitating Reactive Power Transfer Independent of Active Power Flow}, volume={4}, booktitle={Proc. 35th IEEE Power Electronics Specialists Conference (PESC)}, publisher={IEEE}, author={Schafmeister, Frank and Kolar, Johann}, year={2004}, pages={2917–2923} }
LibreCat
 
[9]
2004 | Conference Paper | LibreCat-ID: 30308
@inproceedings{Ide_Schafmeister_Fröhleke_Grotstollen_2004, place={Aachen, Germany}, title={Enhanced Control Scheme for Three-Phase / Three-Level Rectifiers at Partial Load}, volume={1}, booktitle={Proc. 35th IEEE Power Electronics Specialists Conference (PESC)}, publisher={IEEE}, author={Ide, Peter and Schafmeister, Frank and Fröhleke, Norbert and Grotstollen, Horst}, year={2004}, pages={207–213} }
LibreCat
 
[8]
2004 | Conference Paper | LibreCat-ID: 30310
@inproceedings{Schafmeister_Kolar_2004, place={Riga, Latvia}, title={Novel Hybrid Modulation Schemes Extending the Reactive Power Control Range of Conventional and Sparse Matrix Converters Operating at Maximum Output Voltage}, booktitle={Proc. 11th International Power Electronics and Motion Control Conference (EPE-PEMC)}, publisher={EPE}, author={Schafmeister, Frank and Kolar, Johann}, year={2004} }
LibreCat
 
[7]
2003 | Conference Paper | LibreCat-ID: 30307
@inproceedings{Schafmeister_Kolar_2003, place={Roanoke, VA, USA}, title={Novel Modulation Schemes Minimizing the Switching Losses of Sparse Matrix Converters}, booktitle={Proc. IEEE Annual Industrial Electronics Society Conference (IECON)}, publisher={IEEE}, author={Schafmeister, Frank and Kolar, Johann}, year={2003}, pages={2085–2090} }
LibreCat
 
[6]
2003 | Conference Paper | LibreCat-ID: 30300
@inproceedings{Schafmeister_Herold_Kolar_2003, place={Miami Beach, USA}, title={Evaluation of 1200V-Si-IGBTs and 1300V-SiC-JFETs for Application in Three-Phase Very Sparse Matrix AC-AC Converter Systems}, volume={1}, booktitle={Proc. 18th IEEE Applied Power Electronics Conf. (APEC)}, publisher={IEEE}, author={Schafmeister, Frank and Herold, Simon and Kolar, Johann}, year={2003}, pages={241–255} }
LibreCat
 
[5]
2003 | Journal Article | LibreCat-ID: 30306
@article{Schafmeister_Baumann_Kolar_2003, title={Analytically Closed Calculation of the Conduction Losses of Three-Phase AC-AC Sparse Matrix Converters}, volume={13}, number={1}, journal={EPE Journal}, publisher={EPE}, author={Schafmeister, Frank and Baumann, Martina and Kolar, Johann}, year={2003}, pages={5–14} }
LibreCat
 
[4]
2002 | Conference Paper | LibreCat-ID: 30302
@inproceedings{Schafmeister_Baumann_Kolar_2002, place={Cavtat & Dubrovnik, Croatia}, title={Analytically Closed Calculation of the Conduction and Switching Losses of Three-Phase AC-AC Sparse Matrix Converters}, booktitle={Proc. 10th International Power Electronics and Motion Control Conference (EPE-PEMC)}, publisher={EPE}, author={Schafmeister, Frank and Baumann, Martina and Kolar, Johann}, year={2002} }
LibreCat
 
[3]
2002 | Conference Paper | LibreCat-ID: 30299
@inproceedings{Kolar_Baumann_Schafmeister_Ertl_2002, place={Dallas, USA}, title={Novel Three-Phase AC-DC-AC Sparse Matrix Converter}, volume={2}, booktitle={Proc. 17th IEEE Applied Power Electronics Conf. (APEC)}, publisher={IEEE}, author={Kolar, Johann and Baumann, Martina and Schafmeister, Frank and Ertl, Hans}, year={2002}, pages={777–791} }
LibreCat
 
[2]
2002 | Conference Paper | LibreCat-ID: 30305
@inproceedings{Schafmeister_Kolar_2002, place={Stuttgart, Germany}, title={Analyse der Regelung einer permanenterregten Synchronmaschine bei Speisung durch einen dreiphasigen Sparse-Matrix-Konverter}, booktitle={Proc. Ansoft Inspiring Design Workshop}, author={Schafmeister, Frank and Kolar, Johann}, year={2002} }
LibreCat
 
[1]
2001 | Conference Paper | LibreCat-ID: 30124
@inproceedings{Ide_Schafmeister_Fröhleke_2001, place={Anaheim, USA}, title={Active Common-Mode Voltage Cancellation for Three-Phase PWM Rectifier/Inverter Systems based on a New Topology}, volume={1}, booktitle={Proc. 16th IEEE Applied Power Electronics Conf. (APEC)}, publisher={IEEE}, author={Ide, Peter and Schafmeister, Frank and Fröhleke, Norbert}, year={2001}, pages={201–207} }
LibreCat
 
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