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98 Publications
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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} }
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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} }
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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} }
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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} }
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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} }
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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} }
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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} }
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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} }
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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} }
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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} }
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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} }
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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} }
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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} }
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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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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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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} }
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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} }
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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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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} }
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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} }
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