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5 Publications
2025 | Journal Article | LibreCat-ID: 59805
Unruh R, Böcker J, Schafmeister F. Adaptive DC-Link Voltage Control for 22 kW, 40 kHz LLC Resonant Converter Considering Low-Frequency Voltage Ripple. Electronics. 2025;14(8). doi:10.3390/electronics14081517
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2023 | Conference Paper | LibreCat-ID: 48352
Unruh R, Böcker J, Schafmeister F. An Optimized Third-Harmonic Injection Reduces DC-Link Voltage Ripple in Cascaded H-Bridge Converters up to 50% for all Power Factors. In: 2023 25th European Conference on Power Electronics and Applications (EPE’23 ECCE Europe). IEEE; 2023. doi:10.23919/epe23ecceeurope58414.2023.10264313
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2022 | Conference Paper | LibreCat-ID: 34176
Unruh R, Schafmeister F, Böcker J. 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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2020 | Conference Paper | LibreCat-ID: 29940
Unruh R, Schafmeister F, Fröhleke N, Böcker J. 1-MW Full-Bridge MMC for High-Current Low-Voltage (100V-400V) DC-Applications. In: PCIM Europe Digital Days 2020; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management. VDE; 2020.
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2008 | Conference Paper | LibreCat-ID: 9568
Bo F, Ting L, Hemsel T. A simple pre-stress estimating method of langevin transducers. In: Piezoelectricity, Acoustic Waves, and Device Applications, 2008. SPAWDA 2008. Symposium On. ; 2008:324-327. doi:10.1109/SPAWDA.2008.4775801
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