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11 Publications
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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2021 | Conference Paper | LibreCat-ID: 29938
Unruh R, Lange J, Schafmeister F, Böcker J. 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. doi:https://doi.org/10.23919/EPE21ECCEEurope50061.2021.9570542
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2020 | Conference Paper | LibreCat-ID: 29939
Unruh R, Schafmeister F, Böcker J. Evaluation of MMCs for High-Power Low-Voltage DC-Applications in Combination with the Module LLC-Design. In: 2020 22nd European Conference on Power Electronics and Applications (EPE’20 ECCE Europe). IEEE; 2020. doi:10.23919/epe20ecceeurope43536.2020.9215687
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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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2016 | Journal Article | LibreCat-ID: 4244
Gordon S, Yacob M, Reithmaier JP, Benyoucef M, Zrenner A. Coherent photocurrent spectroscopy of single InP-based quantum dots in the telecom band at 1.5 µm. Applied Physics B. 2016;122(2). doi:10.1007/s00340-015-6279-6
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2013 | Conference Paper | LibreCat-ID: 9796
Al-Ashtari W, Hunstig M, Hemsel T, Sextro W. Characteristics of Piezoelectric Energy Harvesters in Autonomous Systems. In: Proceedings of 10th International Workshop on Piezoelectric Materials and Applications and 8th Energy Harvesting Workshop, Hannover, Germany, 14.-17.7.2013. Berichte aus dem IDS. Hannover, Germany; 2013:159-161.
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2013 | Conference Paper | LibreCat-ID: 36920
He D, Müller W. An Energy-Efficient Heuristic for Hard Real-Time System on Multi-Core Processors. In: Weghorn H, ed. Proceedings of the International Conference on Applied Computing (AC). ; 2013.
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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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2008 | Conference Paper | LibreCat-ID: 9576
Uribe DO, Stroop R, Hemsel T, Wallaschek J. Development of a biomedical tissue differentiation system using piezoelectric actuators. In: Frequency Control Symposium, 2008 IEEE International. ; 2008:91-94. doi:10.1109/FREQ.2008.4622963
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2004 | Conference Paper | LibreCat-ID: 9519
Hemsel T, Mracek M, Wallaschek J, Vasiljev P. A novel approach for high power ultrasonic linear motors. In: Ultrasonics Symposium, 2004 IEEE. Vol 2. ; 2004:1161-1164. doi:10.1109/ULTSYM.2004.1417988
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