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100 Publications
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2022 | Conference Paper | LibreCat-ID: 30349
Förster, Nikolas, Philipp Rehlaender, Oliver Wallscheid, Frank Schafmeister, and Joachim Böcker. “An Open-Source Transistor Database and Toolbox as an Unified Software Engineering Tool for Managing and Evaluating Power Transistors.” In Proc. 37th IEEE Applied Power Electronics Conference (APEC). Houston, TX, USA: IEEE, n.d.
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2022 | Conference Paper | LibreCat-ID: 30350
Keuck, Lukas, Frank Schafmeister, and Joachim Böcker. “Robust Hysteresis Control for LLC Resonant Converters Using a Fully Isolated Measurement Scheme.” In Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM). Nuremberg, Germany: IEEE, n.d.
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2022 | Conference Paper | LibreCat-ID: 30844
Huber, Jonas, Peter Wallmeier, Ralf Pieper, Frank Schafmeister, and Johann Kolar. “Comparative Evaluation of MVAC-LVDC SST and Hybrid Transformer Concepts for Future Datacenters.” In Proc. 9th IEEJ International Power Electronics Conference (IPEC). Himeji, Japan: IEE Japan, n.d.
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2022 | Conference Paper | LibreCat-ID: 34176
Unruh, Roland, Frank Schafmeister, and Joachim Böcker. “Zero-Sequence Voltage Reduces DC-Link Capacitor Demand in Cascaded H-Bridge Converters for Large-Scale Electrolyzers by 40%.” In 24th European Conference on Power Electronics and Applications (EPE’22 ECCE Europe). IEEE, 2022.
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2022 | Conference Paper | LibreCat-ID: 35126
Förster, Nikolas, Jonas Hölscher, Till Piepenbrock, Philipp Rehlaender, Oliver Wallscheid, Frank Schafmeister, and Joachim Böcker. “An Open-Source FEM Magnetic Toolbox for Calculating Electric and Thermal Behavior of Power Electronic Magnetic Components.” In 2022 24th European Conference on Power Electronics and Applications (EPE’22 ECCE Europe), P.1-P.9, 2022.
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2022 | Conference Paper | LibreCat-ID: 35125
Förster, Nikolas, Philipp Rehlaender, Oliver Wallscheid, Frank Schafmeister, and Joachim Böcker. “An Open-Source Transistor Database and Toolbox as a Unified Software Engineering Tool for Managing and Evaluating Power Transistors.” In 2022 IEEE Applied Power Electronics Conference and Exposition (APEC). IEEE, 2022. https://doi.org/10.1109/apec43599.2022.9773701.
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2022 | Conference Paper | LibreCat-ID: 35127
Förster, Nikolas, Till Piepenbrock, Philipp Rehlaender, Oliver Wallscheid, Frank Schafmeister, and Joachim Böcker. “An Open-Source FEM Magnetics Toolbox for Power Electronic Magnetic Components.” In PCIM Europe 2022; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, 1–10, 2022. https://doi.org/10.30420/565822103.
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2022 | Journal Article | LibreCat-ID: 44163
Rehlaender, Philipp, Oliver Wallscheid, Frank Schafmeister, and Joachim Böcker. “LLC Resonant Converter Modulations for Reduced Junction Temperatures in Half-Bridge Mode and Transformer Flux in the On-the-Fly Morphing Thereto.” IEEE Transactions on Power Electronics 37, no. 11 (2022): 13413–27. https://doi.org/10.1109/tpel.2022.3180758.
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2022 | Conference Paper | LibreCat-ID: 44164
Rehlaender, Philipp, Bastian Korthauer, Frank Schafmeister, and Joachim Böcker. “Experimental Demonstration of a 2.2kW Active-Clamp Converter for High-Current Wide-Voltage-Transfer Ratio Applications.” In 2022 24th European Conference on Power Electronics and Applications (EPE’22 ECCE Europe), P.1-P.11, 2022.
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2022 | Conference Paper | LibreCat-ID: 44161
Rehlaender, Philipp, Frank Schafmeister, and Joachim Böcker. “Phase-Shift Modulation for Flying-Capacitor DC-DC Converters.” In 2022 24th European Conference on Power Electronics and Applications (EPE’22 ECCE Europe), 1–9, 2022.
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2021 | Conference Paper | LibreCat-ID: 29849
Strothmann, Benjamin, Frank Schafmeister, and Joachim Böcker. “Common-Mode-Free Bidirectional Three-Phase PFC-Rectifier for Non-Isolated EV Charger.” In 2021 IEEE Applied Power Electronics Conference and Exposition (APEC). IEEE, 2021. https://doi.org/10.1109/apec42165.2021.9487462.
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2021 | Journal Article | LibreCat-ID: 29892
Rehlaender, Philipp, Frank Schafmeister, and Joachim Böcker. “Interleaved Single-Stage LLC Converter Design Utilizing Half- and Full-Bridge Configurations for Wide Voltage Transfer Ratio Applications.” IEEE Transactions on Power Electronics 36, no. 9 (2021): 10065–80. https://doi.org/10.1109/tpel.2021.3067843.
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2021 | Conference Paper | LibreCat-ID: 29895
Korthauer, Bastian, Philipp Rehlaender, Frank Schafmeister, and Joachim Böcker. “Design and Analysis of a Regenerative Snubber for a 2.2 KW Active-Clamp Forward Converter with Low-Voltage Output.” In 2021 IEEE Applied Power Electronics Conference and Exposition (APEC). IEEE, 2021. https://doi.org/10.1109/apec42165.2021.9487130.
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2021 | Conference Paper | LibreCat-ID: 29850
Strothmann, Benjamin, Gerrit Book, Frank Schafmeister, and Joachim Böcker. “Single-Phase Operation of Common-Mode-Free Bidirectional Three-Phase PFC-Rectifier for Non-Isolated EV Charger with Minimized DC-Link.” In PCIM Europe Digital Days 2021; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, 1–8, 2021.
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2021 | Conference Paper | LibreCat-ID: 29871
Urbaneck, Daniel, Philipp Rehlaender, Joachim Böcker, and Frank Schafmeister. “LLC Converter in Capacitive Operation Utilizing ZCS for IGBTs – Theory, Concept and Verification of a 2 KW DC-DC Converter for EVs.” In 2021 IEEE Applied Power Electronics Conference and Exposition (APEC), 2021.
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2021 | Conference Paper | LibreCat-ID: 30340
Hagemeyer, Marc, Peter Wallmeier, Frank Schafmeister, and Joachim Böcker. “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.” In Proc. 36th IEEE Applied Power Electronics Conference (APEC), 569–76. Phoenix, AZ, USA: IEEE, 2021.
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2021 | Newspaper Article | LibreCat-ID: 30348
Schafmeister, Frank. “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, 2021.
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2021 | Conference Paper | LibreCat-ID: 29938
Unruh, Roland, Jarren Lange, Frank Schafmeister, and Joachim Böcker. “Adaptive Zero-Sequence Voltage Injection for Modular Solid-State Transformer to Compensate for Asymmetrical Fault Conditions.” In 23rd European Conference on Power Electronics and Applications (EPE’21 ECCE Europe). IEEE, 2021. https://doi.org/10.23919/EPE21ECCEEurope50061.2021.9570542.
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2021 | Conference Paper | LibreCat-ID: 29893
Rehlaender, Philipp, Roland Unruh, Frank Schafmeister, and Joachim Böcker. “Alternating Asymmetrical Phase-Shift Modulation for Full-Bridge Converters with Balanced Switching Losses to Reduce Thermal Imbalances.” In 2021 IEEE Applied Power Electronics Conference and Exposition (APEC). IEEE, 2021. https://doi.org/10.1109/apec42165.2021.9487104.
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2021 | Conference Paper | LibreCat-ID: 29899
Rehlaender, Philipp, Roland Unruh, Lars Hankeln, Frank Schafmeister, and Joachim Böcker. “Frequency-Doubler Modulation for Reduced Junction Temperatures for LLC Resonant Converters Operated in Half-Bridge Configuration.” In 23rd European Conference on Power Electronics and Applications (EPE’21 ECCE Europe). IEEE, 2021. https://doi.org/10.23919/EPE21ECCEEurope50061.2021.9570674.
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