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98 Publications
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2021 | Conference Paper | LibreCat-ID: 29895
Korthauer, B., Rehlaender, P., Schafmeister, F., & Böcker, J. (2021). Design and Analysis of a Regenerative Snubber for a 2.2 kW Active-Clamp Forward Converter with Low-Voltage Output. 2021 IEEE Applied Power Electronics Conference and Exposition (APEC). https://doi.org/10.1109/apec42165.2021.9487130
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2021 | Conference Paper | LibreCat-ID: 29850
Strothmann, B., Book, G., Schafmeister, F., & Böcker, J. (2021). Single-Phase Operation of Common-Mode-Free Bidirectional Three-Phase PFC-Rectifier for Non-Isolated EV Charger with Minimized DC-Link. PCIM Europe Digital Days 2021; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, 1–8.
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2021 | Conference Paper | LibreCat-ID: 29871
Urbaneck, D., Rehlaender, P., Böcker, J., & Schafmeister, F. (2021). LLC Converter in Capacitive Operation Utilizing ZCS for IGBTs – Theory, Concept and Verification of a 2 kW DC-DC Converter for EVs. 2021 IEEE Applied Power Electronics Conference and Exposition (APEC). Applied Power Electronics Conference (APEC), Arizona.
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2021 | Conference Paper | LibreCat-ID: 30340
Hagemeyer, M., Wallmeier, P., Schafmeister, F., & Böcker, J. (2021). 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. Proc. 36th IEEE Applied Power Electronics Conference (APEC), 569–576.
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2021 | Newspaper Article | LibreCat-ID: 30348
Schafmeister, F. (2021). Transformerless On-Board Chargers at Three- and Single-Phase Operation: Compensation of LF Common-Mode Noise by the Internal DC/DC-Stage. Power System Design (PSD) Web Magazine.
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2021 | Conference Paper | LibreCat-ID: 29938
Unruh, R., Lange, J., Schafmeister, F., & Böcker, J. (2021). Adaptive Zero-Sequence Voltage Injection for Modular Solid-State Transformer to Compensate for Asymmetrical Fault Conditions. 23rd European Conference on Power Electronics and Applications (EPE’21 ECCE Europe). 23rd European Conference on Power Electronics and Applications (EPE’21 ECCE Europe), Ghent, Belgium. https://doi.org/10.23919/EPE21ECCEEurope50061.2021.9570542
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2021 | Conference Paper | LibreCat-ID: 29899
Rehlaender, P., Unruh, R., Hankeln, L., Schafmeister, F., & Böcker, J. (2021). Frequency-Doubler Modulation for Reduced Junction Temperatures for LLC Resonant Converters Operated in Half-Bridge Configuration. 23rd European Conference on Power Electronics and Applications (EPE’21 ECCE Europe). 23rd European Conference on Power Electronics and Applications (EPE’21 ECCE Europe), Ghent, Belgium. https://doi.org/10.23919/EPE21ECCEEurope50061.2021.9570674
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2021 | Conference Paper | LibreCat-ID: 29893
Rehlaender, P., Unruh, R., Schafmeister, F., & Böcker, J. (2021). Alternating Asymmetrical Phase-Shift Modulation for Full-Bridge Converters with Balanced Switching Losses to Reduce Thermal Imbalances. 2021 IEEE Applied Power Electronics Conference and Exposition (APEC). 2021 IEEE Applied Power Electronics Conference and Exposition (APEC), Phoenix, AZ, USA. https://doi.org/10.1109/apec42165.2021.9487104
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2020 | Conference Paper | LibreCat-ID: 29939
Unruh, R., Schafmeister, F., & Böcker, J. (2020). Evaluation of MMCs for High-Power Low-Voltage DC-Applications in Combination with the Module LLC-Design. 2020 22nd European Conference on Power Electronics and Applications (EPE’20 ECCE Europe). 22nd European Conference on Power Electronics and Applications (EPE’20 ECCE Europe), Lyon, France. https://doi.org/10.23919/epe20ecceeurope43536.2020.9215687
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2020 | Conference Paper | LibreCat-ID: 29894
Rehlaender, P., Tikhonov, S., Schafmeister, F., & Böcker, J. (2020). 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. 2020 22nd European Conference on Power Electronics and Applications (EPE’20 ECCE Europe). https://doi.org/10.23919/epe20ecceeurope43536.2020.9215736
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2020 | Conference Paper | LibreCat-ID: 29896
Rehlaender, P., Grote, T., Tikhonov, S., Mario, S., Schafmeister, F., & Böcker, J. (2020). A 3,6 kW Single-Stage LLC Converter Operating in Half-Bridge, Full-Bridge and Phase-Shift Mode for Automotive Onboard DC-DC Conversion. PCIM Europe Digital Days 2020. Power Conversion and Intelligent Motion (PCIM), Nürnberg.
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2020 | Conference Paper | LibreCat-ID: 29898
Rüschenbaum, T., Rehlaender, P., Ha, P., Grote, T., Schafmeister, F., & Böcker, J. (2020). Two-Stage Automotive DC-DC Converter Design with Wide Voltage-Transfer Range Utilizing Asymmetric LLC Operation. PCIM Europe Digital Days 2020. PCIM Europe digital days 2020.
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2020 | Conference Paper | LibreCat-ID: 29874
Urbaneck, D., Rehlaender, P., Schafmeister, F., & Böcker, J. (2020). LLC Converter Design in Capacitive Operation utilizes ZCS for IGBTs – a Concept Study for a 2.2 kW Automotive DC-DC Stage. PCIM Europe Digital Days 2020. Power Conversion and Intelligent Motion (PCIM), Nürnberg.
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2020 | Conference Paper | LibreCat-ID: 30339
Ahmmad, M. E., Schafmeister, F., & Böcker, J. (2020). Practical Implementation and Verification of Simple-to-Implement Digital Current Observer for Half-Bridge Topologies. Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM Digital Days). IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM 20 digital days), Nuremberg, Germany.
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2020 | Patent | LibreCat-ID: 30362
Schafmeister, F. (2020). Apparatus and method for charging an electric battery vehicle.
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2020 | Conference Paper | LibreCat-ID: 29880
Unruh, R., Schafmeister, F., & Böcker, J. (2020). 11kW, 70kHz LLC Converter Design with Adaptive Input Voltage for 98% Efficiency in an MMC. 2020 IEEE 21st Workshop on Control and Modeling for Power Electronics (COMPEL). https://doi.org/10.1109/compel49091.2020.9265771
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2020 | Conference Paper | LibreCat-ID: 29940
Unruh, R., Schafmeister, F., Fröhleke, N., & Böcker, J. (2020). 1-MW Full-Bridge MMC for High-Current Low-Voltage (100V-400V) DC-Applications. PCIM Europe Digital Days 2020; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management. PCIM Europe digital days 2020, Germany.
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2020 | Conference Paper | LibreCat-ID: 30001
Strothmann, B., Piepenbrock, T., Schafmeister, F., & Böcker, J. (2020). Heat dissipation strategies for silicon carbide power SMDs and their use in different applications. PCIM Europe Digital Days 2020; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, 1–7.
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2019 | Conference Paper | LibreCat-ID: 29999
Strothmann, B., Schafmeister, F., & Böcker, J. (2019). Common Mode Analysis of Non-Isolated Three-Phase EV-Charger for Bi-Directional Vehicle-to-Grid Operation. PCIM Europe 2019; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, 1–7.
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2019 | Conference Paper | LibreCat-ID: 30002
Strothmann, B., Schafmeister, F., & Böcker, J. (2019). Pareto Design and Switching Frequencies for SiC MOSFETs Applied in an 11 kW Buck Converter for EV-Charging. 2019 IEEE Applied Power Electronics Conference and Exposition (APEC). https://doi.org/10.1109/apec.2019.8721850
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