11kW, 70kHz LLC Converter Design with Adaptive Input Voltage for 98% Efficiency in an MMC R Unruh, F Schafmeister, J Böcker 2020 IEEE 21st Workshop on Control and Modeling for Power Electronics …, 2020 | 18 | 2020 |
Alternating asymmetrical phase-shift modulation for full-bridge converters with balanced switching losses to reduce thermal imbalances P Rehlaender, R Unruh, F Schafmeister, J Böcker 2021 IEEE Applied Power Electronics Conference and Exposition (APEC), 1787-1795, 2021 | 11 | 2021 |
1-MW Full-Bridge MMC for High-Current Low-Voltage (100V-400V) DC-Applications R Unruh, F Schafmeister, N Froehleke, J Boecker PCIM Europe digital days 2020; International Exhibition and Conference for …, 2020 | 9 | 2020 |
Evaluation of Mmcs for high-power low-voltage DC-applications in combination with the module Llc-design R Unruh, F Schafmeister, J Böcker 2020 22nd European Conference on Power Electronics and Applications (EPE'20 …, 2020 | 8 | 2020 |
Adaptive zero-sequence voltage injection for modular solid-state transformer to compensate for asymmetrical fault conditions R Unruh, J Lange, F Schafmeister, J Böcker 2021 23rd European Conference on Power Electronics and Applications (EPE'21 …, 2021 | 7 | 2021 |
MMC-topology for high-current and low-voltage applications with minimal number of submodules, reduced switching and capacitor losses R Unruh, F Schafmeister, N Froehleke, J Boecker PCIM Europe 2019; International Exhibition and Conference for Power …, 2019 | 6 | 2019 |
Zero-Sequence Voltage Reduces DC-Link Capacitor Demand in Cascaded H-Bridge Converters for Large-Scale Electrolyzers by 40% R Unruh, F Schafmeister, J Böcker 2022 24th European Conference on Power Electronics and Applications (EPE'22 …, 2022 | 5 | 2022 |
Frequency-doubler modulation for reduced junction temperatures for LLC resonant converters operated in half-bridge configuration P Rehlaender, R Unruh, L Hankeln, F Schafmeister, J Böcker 2021 23rd European Conference on Power Electronics and Applications (EPE'21 …, 2021 | 3 | 2021 |
Auslegung eines LLC-Resonanzwandlers hoher Leistung für einen weiten Ausgangsspannungbereich R Unruh Universität Paderborn: Leistungselektronik und Elektrische Antriebstechnik (LEA), 2018 | 2 | 2018 |
A Single-Carrier PWM Method for Uniform Step Asymmetrical Multilevel Converters PM Lingom, J Song-Manguelle, J Menye, R Unruh, ML Doumbia, T Jin 2023 IEEE Energy Conversion Congress and Exposition (ECCE), 3599-3606, 2023 | 1 | 2023 |
An Optimized Third-Harmonic Injection Reduces DC-Link Voltage Ripple in Cascaded H-Bridge Converters up to 50% for all Power Factors R Unruh, J Böcker, F Schafmeister 2023 25th European Conference on Power Electronics and Applications (EPE'23 …, 2023 | 1 | 2023 |
On-the-fly topology morphing for frequency-multiplier half-bridge operation P Rehlaender, R Unruh, F Schafmeister, J Böcker US Patent App. 17/821,191, 2023 | 1 | 2023 |
PV2Heat to Mongolia: Transitioning from Coal to Solar-Powered Resistive Heating with Thermal Storage to Improve Air Quality D Filipovic, R Unruh, M Alnassar, J Boecker, K Rauch, C Henner, E Acar, ... PESS 2023; Power and Energy Student Summit, 30-35, 2023 | | 2023 |
Performance Evaluation of Multi-Modulation Single-Carrier PWM Methods for Motor Drive Applications PM Lingom, J Song-Manguelle, R Unruh, JM Nyobe-Yome, ML Doumbia 2023 IEEE 14th International Conference on Power Electronics and Drive …, 2023 | | 2023 |
Alternating asymmetrical phase-shift modulation P Rehlaender, J Böcker, R Unruh, F Schafmeister US Patent App. 17/806,085, 2022 | | 2022 |