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

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.

Rehlaender P, Unruh R, Schafmeister F, Böcker J. 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. doi:10.1109/apec42165.2021.9487104

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.